锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产精品卡一卡二,欧美日韩精品一区二区,午夜精品久久久久久久99黑人http://m.shnenglu.com/Amigo/Labor vanquishes all, not inconstant, spasmodic, ill-directed labor but faithful, unremitting, daily effort towad a well-directed purpose . Just as truly as eternal vigilance is the price of liberty , so is eternal industry the price of noble and enduring success ! zh-cnSun, 16 Nov 2025 21:21:41 GMTSun, 16 Nov 2025 21:21:41 GMT60瑙嗛鍘熺悊http://m.shnenglu.com/Amigo/archive/2009/02/20/74369.htmlAmigoAmigoFri, 20 Feb 2009 02:15:00 GMThttp://m.shnenglu.com/Amigo/archive/2009/02/20/74369.htmlhttp://m.shnenglu.com/Amigo/comments/74369.htmlhttp://m.shnenglu.com/Amigo/archive/2009/02/20/74369.html#Feedback0http://m.shnenglu.com/Amigo/comments/commentRss/74369.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/74369.html
        鍥捐薄涓庤棰戞槸涓や釜鏃㈡湁鑱旂郴鍙堟湁鍖哄埆鐨勬蹇碉細(xì)闈欐鐨勫浘鐗囩О涓哄浘璞★紙Image錛夛紝榪愬姩鐨勫浘璞$О涓鴻棰戯紙Video錛夈傚浘璞$殑杈撳叆瑕侀潬鎵弿浠佹暟瀛楃収鐩告満鎴栨憚璞℃満絳夛紱鑰岃棰戠殑杈撳叆鍙兘鏄憚璞℃満銆佸綍璞℃満銆佸獎紕熸満浠ュ強鐢?shù)瑙嗘帴鏀舵満绛夊彲浠ヨ緭鍑簶q炵畫鍥捐薄淇″彿鐨勮澶囥?br>

        鏈枃灝嗛拡瀵硅棰戝浘鍍忚繖涓棰嗗煙浣滀竴涓鎷殑浠嬬粛錛屽笇鏈涘澶у榪涗竴姝ヤ簡瑙h棰戞妧鏈柟闈㈢殑鐭ヨ瘑鏈夋墍甯姪銆備笅闈㈠厛瀵逛竴浜涜棰戞妧鏈悕璇嶄綔涓涓嬬畝鍗曡В閲娿?br>
瑙嗛淇″彿鐨勫垎綾誨拰鍩烘湰姒傚康

涓銆佹ā鎷熻棰戜俊鍙?br>
        鏍規(guī)嵁涓夊熀鑹插師鐞嗭紝鍦ㄨ棰戦鍩熷埄鐢≧錛堢孩錛夈丟錛堢豢錛夈丅錛堣摑錛変笁鑹蹭笉鍚屾瘮渚嬬殑娣峰悎鏉ヨ〃鐜頒赴瀵屽閲囩殑鐜板疄涓栫晫銆傞鍏堬紝閫氳繃鎽勫儚鏈虹殑鍏夋晱鍣ㄤ歡鍍廋CD錛堢數(shù)鑽瘋﹀悎鍣ㄤ歡錛夛紝灝嗗厜淇″彿杞崲鎴怰GB涓夎礬鐢?shù)淇″忴P紱鍏舵錛屽湪鐢?shù)瑙嗘満鎴栫洃瑙嗗櫒鍐呴儴涔熶娇鐢≧GB淇″彿鍒嗗埆鎺у埗涓夋敮鐢?shù)瀛愭灙铇嚮鑽у厜灞忎互漶旂敓濯勮薄銆傝繖鏍鳳紝鐢變簬鎽勫儚鏈轟腑鍘熷淇″彿鍜岀數(shù)瑙嗘満銆佺洃瑙嗗櫒涓殑鏈緇堜俊鍙烽兘鏄疪GB淇″彿錛屽洜姝ょ洿鎺ヤ嬌鐢≧GB淇″彿浣滀負(fù)瑙嗛淇″彿鐨勪紶杈撳拰璁板綍鏂瑰紡浼?xì)鑾峰緱鏋侀珮鐨勪俊鍙疯川閲忋備絾榪欐牱鍋氫細(xì)鏋佸ぇ鍦板姞瀹借棰戝甫瀹戒粠鑰屽鍔犺澶囨垚鏈紝涓旇繖涔熶笌鐜拌榛戠櫧鐢?shù)瑙嗕笉鍏煎锛屽洜姝ゅQ屽湪瀹為檯搴旂敤涓笉榪欐牱鍋氾紝鑰屾槸鎸変寒搴︽柟紼媃=0.39R+0.5G+0.11B錛圥AL鍒訛級RGB淇″彿杞崲鎴愪寒搴︿俊鍙穀鍜屼袱涓壊宸俊鍙稶錛圔-Y錛夈乂錛圧-Y錛夛紝褰㈡垚YUV鍒嗛噺淇″彿銆?br>
        姝ょ淇″彿鍒╃敤浜虹溂瀵逛寒搴︾粏鑺傚垎杈ㄧ巼楂樿屽鑹插害緇嗚妭鍒嗚鯨鐜囦綆鐨勭壒鐐癸紝瀵筓銆乂淇″彿甯﹀鍘嬬緝銆俇銆乂淇″彿榪樺彲榪涗竴姝ュ悎鎴愪竴涓壊搴︿俊鍙稢錛岃繘鑰屽艦鎴怸/C璁板綍鏂瑰紡銆傜敱浜庤褰曟椂瀵笴淇″彿閲囧彇闄嶉澶勭悊錛屽洜姝や篃縐板僵鑹查檷棰戞柟寮忋俌鍜孋鍙堝彲榪涗竴姝ュ艦鎴愬鍚堣棰戯紙Composite錛夛紝鍗沖僵鑹插叏鐢?shù)瑙嗕俊鍙峰Q岃繖縐嶆柟寮忎究浜庝紶杈撳拰鐢?shù)瑙嗕俊鍙风殑鍙憺畡銆傚皢RGB淇″彿杞崲鎴怸UV淇″彿銆乊/C淇″彿鐩磋嚦composite淇″彿鐨勮繃紼嬬О涓虹紪鐮侊紝閫嗚繃紼嬪垯涓鴻В鐮併傜敱姝ゅ彲鐪嬪嚭錛岀敱浜庤漿鎹㈡楠ょ殑澶氬皯錛岃棰戣緭鍑鴻川閲忕敱YUV绔彛鍒癥/C绔彛鍒癈omposite绔彛渚濇闄嶄綆銆傚洜姝わ紝鍦ㄨ棰戞崟鎹夋垨杈撳嚭鏃墮夋嫨鍚堥傜殑杈撳叆銆佽緭鍑虹鍙e彲鎻愰珮瑙嗛璐ㄩ噺銆傚彟澶栵紝榪樺簲鎻愪緵鍚屾淇″彿浠ヤ繚璇佷紶閫佸浘璞$ǔ瀹氬啀鐜般?

        瑙嗛褰卞儚鏄敱涓緋誨垪琚О涓哄撫鐨勫崟涓潤姝㈢敾闈㈢粍鎴愩備竴鑸撫鐜囧湪24-30甯?縐掓椂錛岃棰戣繍鍔ㄩ潪甯稿鉤婊戯紝鑰屼綆浜?5甯?縐掓椂灝變細(xì)鏈夊仠欏挎劅銆?br>
        NTSC錛氬浗瀹剁數(shù)瑙嗘爣鍑嗗鍛樹細(xì)(National Television Standards Commitee)鐨勭緝鍐欍傛槸涓寳緹庢床鍙婃棩鏈氱敤鐨勭數(shù)瑙嗗埗寮忥紝涓庢媧茬殑PAL鍒跺紡鍜屾硶鍥界殑SECAM鍙槸鐩稿銆備粬鐨勫瀭鐩村垎杈ㄧ巼鏈?25綰匡紝甯ч熶負(fù)30(29.97)FPS銆?

銆銆PAL錛氶愯鍊掔浉(Phase Alteration Line)鐨勭緝鍐欙紝鏄腑鍥藉強嬈ф床澶у鏁板浗瀹墮氱敤鐨勭數(shù)瑙嗗埗寮忋傚叿鏈夋洿楂樼殑鍨傜洿鍒嗚鯨鐜?625綰?錛屼絾鏄撫閫熺浉瀵規(guī)參浜嶯TSC(25FPS)銆?br>
        鍒嗛噺瑙嗛淇″彿(Separate Video) 錛氬皢鐢婚潰鎸変笁涓鑹查氶亾(RGB)鍒嗘垚綰€佺豢鍜岃摑(闄勫姞浜害淇″彿)涓変釜鍗曠嫭淇″彿閫氶亾銆備駭鐢熺殑鐢婚潰璐ㄩ噺杈冮珮錛屼竴鑸湪騫挎挱綰ц棰戣澶囦腑琚噰鐢ㄣ?
銆銆澶嶅悎瑙嗛淇″彿(Composite Video) 錛氬皢褰╄壊淇″彿銆佷寒搴︿俊鍙峰拰鍚屾淇″彿娣峰悎鍦ㄤ竴涓俊鍙烽氶亾鍐咃紝鍦ㄥ鐢ㄨ棰戣澶囦腑琚ぇ閲忛噰鐢ㄣ?br>
         S-Video錛氭槸涓縐嶄俊鍙瘋川閲忔洿楂樼殑瑙嗛鎺ュ彛錛屽畠鍙栨秷浜嗕俊鍙峰彔鍔犵殑鏂規(guī)硶錛屽彲鏈夋晥閬垮厤涓浜涙棤璋撶殑璐ㄩ噺鎹熷け銆傚畠鐨勫姛鑳芥槸灝哛GB涓夊師鑹插拰浜害榪涜鍒嗙澶勭悊銆?br>
         YUV鑹插僵緋葷粺錛?YUV錛堜害縐癥CrCb錛夋槸琚媧茬數(shù)瑙嗙郴緇熸墍閲囩敤鐨勪竴縐嶉鑹茬紪鐮佹柟娉曪紙灞炰簬PAL錛夈俌UV涓昏鐢ㄤ簬浼樺寲褰╄壊瑙嗛淇″彿鐨勪紶杈擄紝浣垮叾鍚戝悗鍏煎鑰佸紡榛戠櫧鐢?shù)瑙嗐備笌RGB瑙嗛淇″彿浼犺緭鐩告瘮錛屽畠鏈澶х殑浼樼偣鍦ㄤ簬鍙渶鍗犵敤鏋佸皯鐨勫甫瀹斤紙RGB瑕佹眰涓変釜鐙珛鐨勮棰戜俊鍙峰悓鏃朵紶杈擄級銆傚叾涓?#8220;Y”琛ㄧず鏄庝寒搴︼紙1uminance鎴?Luma錛夛紝涔熷氨鏄伆闃跺鹼紱鑰?#8220;U”鍜?#8220;V”琛ㄧず鐨勫垯鏄壊搴?Chrominance Chroma)錛屼綔鐢ㄦ槸鎻忚堪褰卞儚鑹插僵鍙婇ケ鍜屽害錛岀敤浜庢寚瀹氬儚绱犵殑棰滆壊銆?#8220;浜害”鏄氳繃RGB杈撳叆淇″彿鏉ュ垱寤虹殑錛屾柟娉曟槸灝哛GB淇″彿鐨勭壒瀹氶儴鍒嗗彔鍔犲埌涓璧楓?#8220;鑹插害”鍒欏畾涔変簡棰滆壊鐨勪袱涓柟闈⑩?鑹茶皟涓庨ケ鍜屽害錛屽垎鍒敤Cr鍜孋b鏉ヨ〃紺恒傚叾涓紝Cr鍙嶆槧浜咰b杈撳叆淇″彿綰㈣壊閮ㄥ垎涓嶳GB淇″彿浜害鍊間箣闂寸殑宸紓銆傝孋b鍙嶆槧鐨勬槸RGB杈撳叆淇″彿钃濊壊閮ㄥ垎涓嶳GB淇″彿浜害鍊間箣闂寸殑宸紓銆?br>
浜屻佹暟瀛楄棰戜俊鍙?/strong>

        鏁板瓧瑙嗛灝辨槸鍏堢敤鎽勫儚鏈轟箣綾葷殑瑙嗛鎹曟崏璁懼錛屽皢澶栫晫褰卞儚鐨勯鑹插拰浜害淇℃伅杞彉涓虹數(shù)淇″彿錛屽啀璁板綍鍒板偍瀛樹粙璐紙濡傚綍鍍忓甫錛夈傚鏋滅敤紺烘嘗鍣ㄦ潵瑙傜湅鏈姇褰辯殑妯℃嫙鐢?shù)淇″忴P紝鐪嬭搗鏉ュ氨鍍忚剳鐢墊嘗鐨勬壂鎻忓浘鍍忥紝鐢變竴浜涜繛緇敮榻跨姸鐨勫北宄板拰灞辮胺緇勬垚銆?br>
        涓轟簡瀛樺偍瑙嗚淇℃伅錛屾ā鎷熻棰戜俊鍙風(fēng)殑灞卞嘲鍜屽北璋峰繀欏婚氳繃鏁板瓧/妯℃嫙錛圖/A錛夎漿鎹㈠櫒鏉ヨ漿鍙樹負(fù)鏁板瓧鐨?#8220;0”鎴?#8220;1”銆傝繖涓漿鍙樿繃紼嬪氨鏄垜浠墍璇寸殑瑙嗛鎹曟崏錛堟垨閲囬泦榪囩▼錛夈傚鏋滆鍦ㄧ數(shù)瑙嗘満涓婅鐪嬫暟瀛楄棰戯紝鍒欓渶瑕佷竴涓粠鏁板瓧鍒版ā鎷熺殑杞崲鍣ㄥ皢浜岃繘鍒朵俊鎭В鐮佹垚妯℃嫙淇″彿錛屾墠鑳借繘琛屾挱鏀俱?br>
1銆丩VDS 

        浣庡帇宸垎淇″彿浼犺緭 (LVDS) 鏄竴縐嶆弧瓚沖綋浠婇珮鎬ц兘鏁版嵁浼犺緭搴旂敤鐨勬柊鍨嬫妧鏈?鐢變簬鍏跺彲浣跨郴緇熶緵鐢電數(shù)鍘嬩綆鑷?2V錛屽洜姝ゅ畠榪樿兘婊¤凍鏈潵搴旂敤鐨勯渶瑕併?姝ゆ妧鏈熀浜?ANSI/TIA/EIA-644 LVDS 鎺ュ彛鏍囧噯銆?br>
        LVDS 鎶鏈嫢鏈?330mV 鐨勪綆鍘嬪樊鍒嗕俊鍙?(250mV MIN abd 450mV MAX) 鍜屽揩閫熻繃娓℃椂闂淬?榪欏彲浠ヨ浜у搧杈懼埌鑷?100 Mbps 鑷寵秴榪?1 Gbps 鐨勯珮鏁版嵁閫熺巼銆?姝ゅ錛岃繖縐嶄綆鍘嬫憜騫呭彲浠ラ檷浣庡姛鑰楁秷鏁o紝鍚屾椂鍏峰宸垎浼犺緭鐨勪紭鐐廣?br>
        LVDS 鎶鏈敤浜庣畝鍗曠殑綰胯礬椹卞姩鍣ㄥ拰鎺ユ敹鍣ㄧ墿鐞嗗眰鍣ㄤ歡浠ュ強姣旇緝澶嶆潅鐨勬帴鍙i氫俊鑺墖緇勩?閫氶亾閾捐礬鑺墖緇勫璺鐢ㄥ拰瑙e璺鐢ㄦ參閫?TTL 淇″彿綰胯礬浠ユ彁渚涚獎寮忛珮閫熶綆鍔熻?LVDS 鎺ュ彛銆?榪欎簺鑺墖緇勫彲浠ュぇ騫呰妭鐪佺郴緇熺殑鐢電紗鍜岃繛鎺ュ櫒鎴愭湰錛屽茍涓斿彲浠ュ噺灝戣繛鎺ュ櫒鎵鍗犻潰縐墍闇鐨勭墿鐞嗙┖闂淬?br>
        LVDS 瑙e喅鏂規(guī)涓鴻璁′漢鍛樿В鍐抽珮閫?I/O 鎺ュ彛闂鎻愪緵浜嗘柊閫夋嫨銆?LVDS 涓哄綋浠婂拰鏈潵鐨勯珮甯﹀鏁版嵁浼犺緭搴旂敤鎻愪緵姣摝姣忓崈鍏嗕綅鐨勬柟妗堛?br>
2銆丆amera Link

        Camera Link 鐨勬爣鍑嗘槸鐢辨暟瀹跺伐涓氭憚褰辨満鍙婂獎鍍忓崱澶у巶鍏卞悓鍒跺畾鍑烘潵鐨? 鏍囧噯鐨勬湰韜槸鍩轟簬Channel Link 鐨勭壒鎬? 騫跺畾涔夊嚭鏍囧噯鐨勬帴澶翠篃灝辨槸璁彿綰夸篃鏍囧噯鍖栦簡, 璁〤amera鍙婂獎鍍忓崱鐨勮鍙蜂紶杈撴洿綆鍗曞寲浜? 鍚屾椂瀹氫箟鍑哄熀鏈灦鏋?Base Configuration), 涓樁鏋舵瀯(Medium 銆銆Configuration), 鍙婂畬鏁存灦鏋?Full Configuration) 鐨勮鍙鋒帴鑴氳鑼冧互鍙婁紶杈撴暟鎹噺銆?br>
        瀹冩槸榪炴帴鎽勫儚澶村拰鍥懼儚閲囬泦鍗$殑鏂版爣鍑嗭紝鎻愪緵浜嗚秴楂樼殑鍥懼儚浼犻侀熷害錛屽茍涓斿悓鏃舵彁渚?鏍規(guī)憚鍍忓ご鐨勬帶鍒剁嚎銆傜敱浜嶤amera Link鐨勯珮鎬ц兘銆佷綆鎴愭湰浠ュ強鍏惰繛鎺ョ殑渚垮埄鎬э紝榪呴熷緱鍒板ぇ澶氭憚鍍忓ご鍙婂浘鍍忛噰闆嗗崱鐨勭敓浜у晢鐨勬敮鎸併傛槸榪炴帴鎽勫儚澶村拰鍥懼儚閲囬泦鍗$殑鏂版爣鍑嗭紝鎻愪緵浜嗚秴楂樼殑鍥懼儚浼犻侀熷害錛屽茍涓斿悓鏃舵彁渚?鏍規(guī)憚鍍忓ご鐨勬帶鍒剁嚎銆?br>
3銆?394
4銆乁SB

5銆佸崈鍏嗙綉

        瑙嗛淇″彿鐨勪駭鐢熶粠鎽勫獎鏈虹寮濮嬶紝閫忚繃涓涓獎鍍忎紶杈撶郴緇熻嚦涓ぎ鎺у埗瀹ゃ傚湪闂礬鐢?shù)瑙喚p葷粺涓紝淇″彿縐頒負(fù)鍚堟垚瑙嗛錛岃岃繖鍚堟垚瑙嗛淇″彿鎸箙涔嬪嘲鍊間負(fù)1浼忕壒 (1V)銆備笅鍒椾負(fù)瑙嗛淇″彿緇撴瀯涔嬬粍鎴愰儴浠斤細(xì)

瑙嗛淇″彿:

        褰撳獎鍍忕殑鍏夋簮钀藉湪CCD鎽勫獎鏈轟箣鏅剁墖涓婃椂錛屽叾鍍忕礌鍗充駭鐢熺數(shù)閲忎綔鐢紝鑰岃繖 浣滅敤涓庤惤鍦ㄦ櫠鐗囦笂鐨勫厜綰垮灝戞湁鐩稿鍏崇郴錛岃秺澶氱殑鍏夊皢浼?xì)漶旂敓瓒婂ぇ鐨勭攭|祦錛屾鐢墊祦鍙粠鏅剁墖涓婅鍑哄茍杞彉鎴愯棰戜俊鍙楓傝屾櫠鐗囪鍙栬祫鏂欑殑鏂瑰紡鏄緷鏅剁墖 縐?綾?鐨勪笉鍚岃屾湁鎵宸紓銆傚儚绱犲厜綰挎暟閲忚秺澶э紝瑙嗛淇″彿鐨勫嘲鍊煎皢鐩稿澧炲ぇ錛屽湪鍚堟垚瑙嗛淇″彿涓紝鏈澶у嘲鍊兼槸 0.7 浼忕壒銆傛崲鍙ヨ瘽璇達紝鐧借壊鎴?鏄庝寒鐨勫浘鐗囬儴鍒嗗皢鏈?0.7浼忕壒鐨勪俊鍙峰己搴︼紝鑰岄粦鑹叉垨鑰呴粦鏆楃殑閮ㄥ垎鍒欐湁0浼忕壒鐨勪俊鍙?銆?br>
 姘村鉤錛堣錛夊悓姝ヤ俊鍙?:
        涓涓獎鍍忓浘妗嗘槸鐢辯嚎緇勬垚鐨勶紝鍦∟TSC鐨勬爣鍑嗕腑錛屾瘡鍥炬涓?25鏉$嚎錛岃孭AL鏍囧噯涓烘瘡鍥炬鏈?25鏉$嚎銆傝屽湪綰夸笂鐨勬瘡涓涓偣錛岄兘鍙嶆槧瑙嗛淇″彿鐨勫己搴︺傚湪姣忎竴鏉$嚎鐨勬湯绔紝鍔犲叆浜嗕竴涓按騫沖悓姝ヨ剦娉紝閫氱煡鎽勫獎鏈哄拰鍏朵粬闂礬鐢?shù)瑙嗙殑鐢?shù)瀛愯 緗紝鍑?澶囩粨鏉熸涓鍥炬鎴栧浘鍦哄茍璁╀粬浠噯澶囪搗濮嬩笅涓涓浘妗嗘垨鍥懼満銆傝剦娉㈢殑鎸佺畫鏃剁▼鍐沖畾浜庣數(shù)瀛愯緗敹鍒頒笅涓鏉″浘綰跨殑鏃墮棿錛岃岃繖涓剦娉㈢殑宄板間負(fù)0.3浼忕壒銆?br>
鍨傜洿錛堝満錛夊悓姝ヤ俊鍙?
        瑙嗛鍥懼儚鏄敱鍥炬鎵緇勬垚錛孨TSC鐨勬爣鍑嗕負(fù)姣忕30涓浘妗嗭紝鑰?PAL褰╄壊鐢?shù)瑙喚p葷粺鐨勬爣鍑嗕負(fù) 姣忕25涓浘妗嗐傞棴璺數(shù) 瑙嗙郴緇熶負(fù)閬垮厤鐢婚潰闂姩鐜拌薄錛屽皢榪欎釜瑙嗛鍥炬鍒嗘垚2涓笉鍚屽浘鍦猴紝縐頒負(fù)濂囧浘鍦哄拰鍋跺浘鍦猴紱榪欎袱涓浘鍦哄湪鎽勫獎鏈虹偣鍒嗙鍚庯紝浼?xì)鍦ㄧ洃瑙嗗櫒绔l撳悎錛岄氱О鍥懼満緇撳悎鎴栦氦閿欐壂鐬?銆?br>
        鍦ㄦ瘡涓涓浘妗嗘垨鍥懼満鐨勭粓绔紝澧炲姞浜嗕竴涓瀭鐩村悓姝ヨ剦娉紝钘変互閫氱煡鎽勫獎鏈哄拰鍏朵粬闂礬鐢?shù)瑙嗙殑鐢?shù)瀛愯緗紝鍑嗗緇撴潫姝や竴鍥炬鎴栧浘鍦猴紝騫惰浠栦滑鍑嗗璧峰涓嬩竴涓浘妗嗘垨鑰呭浘鍦恒傝剦娉㈢殑鎸佺畫鏃剁▼鍐沖畾浜庣數(shù)瀛愯緗敹鍒頒笅涓涓浘鍦虹殑鏃墮棿錛岃岃繖涓剦娉㈢殑宄板間負(fù) 0.3浼忕壒銆傚綋姝ゅ嘲鍊煎姞涓婅棰戜俊鍙蜂箣宄板兼椂錛屽叾鎬誨嘲鍊間負(fù) 1浼忕壒銆?br>



Amigo 2009-02-20 10:15 鍙戣〃璇勮
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鍗氬紙璁哄垵姝?/title><link>http://m.shnenglu.com/Amigo/archive/2008/10/25/65006.html</link><dc:creator>Amigo</dc:creator><author>Amigo</author><pubDate>Sat, 25 Oct 2008 07:46:00 GMT</pubDate><guid>http://m.shnenglu.com/Amigo/archive/2008/10/25/65006.html</guid><wfw:comment>http://m.shnenglu.com/Amigo/comments/65006.html</wfw:comment><comments>http://m.shnenglu.com/Amigo/archive/2008/10/25/65006.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://m.shnenglu.com/Amigo/comments/commentRss/65006.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/Amigo/services/trackbacks/65006.html</trackback:ping><description><![CDATA[<p><font style="BACKGROUND-COLOR: #d0e3ff">P-position 鍏堟墜蹇呰觸<br>N-position 鍏堟墜蹇呰儨<br><br>1.鏃犳硶榪涜浠諱綍縐誨姩鐨勫眬闈㈡槸P-position.<br>2.鍙互縐誨姩鍒癙-position鐨勫眬闈㈡槸N-position.<br>3.鎵鏈夌Щ鍔ㄩ兘瀵艱嚧N-position鐨勫眬闈㈡槸P-position.<br></font></p> <img src ="http://m.shnenglu.com/Amigo/aggbug/65006.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/Amigo/" target="_blank">Amigo</a> 2008-10-25 15:46 <a href="http://m.shnenglu.com/Amigo/archive/2008/10/25/65006.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>C#鑾峰彇緋葷粺鏃墮棿http://m.shnenglu.com/Amigo/archive/2008/10/24/64927.htmlAmigoAmigoFri, 24 Oct 2008 05:18:00 GMThttp://m.shnenglu.com/Amigo/archive/2008/10/24/64927.htmlhttp://m.shnenglu.com/Amigo/comments/64927.htmlhttp://m.shnenglu.com/Amigo/archive/2008/10/24/64927.html#Feedback0http://m.shnenglu.com/Amigo/comments/commentRss/64927.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/64927.html錛嶏紞DateTime 鏁板瓧鍨?
System.DateTime currentTime=new System.DateTime();
1.1 鍙栧綋鍓嶅勾鏈堟棩鏃跺垎縐?
currentTime=System.DateTime.Now;
1.2 鍙栧綋鍓嶅勾
int 騫?currentTime.Year;
1.3 鍙栧綋鍓嶆湀
int 鏈?currentTime.Month;
1.4 鍙栧綋鍓嶆棩
int 鏃?currentTime.Day;
1.5 鍙栧綋鍓嶆椂
int 鏃?currentTime.Hour;
1.6 鍙栧綋鍓嶅垎
int 鍒?currentTime.Minute;
1.7 鍙栧綋鍓嶇
int 縐?currentTime.Second;
1.8 鍙栧綋鍓嶆縐?
int 姣=currentTime.Millisecond;
錛堝彉閲忓彲鐢ㄤ腑鏂囷級


1.9 鍙栦腑鏂囨棩鏈熸樉紺衡斺斿勾鏈堟棩鏃跺垎
string strY=currentTime.ToString("f"); //涓嶆樉紺虹


1.10 鍙栦腑鏂囨棩鏈熸樉紺篲騫存湀
string strYM=currentTime.ToString("y");


1.11 鍙栦腑鏂囨棩鏈熸樉紺篲鏈堟棩
string strMD=currentTime.ToString("m");


1.12 鍙栧綋鍓嶅勾鏈堟棩錛屾牸寮忎負(fù)錛?003-9-23
string strYMD=currentTime.ToString("d");


1.13 鍙栧綋鍓嶆椂鍒嗭紝鏍煎紡涓猴細(xì)14錛?4
string strT=currentTime.ToString("t");



Amigo 2008-10-24 13:18 鍙戣〃璇勮
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C#鐢熸垚闅忔満鏁?/title><link>http://m.shnenglu.com/Amigo/archive/2008/10/20/64536.html</link><dc:creator>Amigo</dc:creator><author>Amigo</author><pubDate>Mon, 20 Oct 2008 13:58:00 GMT</pubDate><guid>http://m.shnenglu.com/Amigo/archive/2008/10/20/64536.html</guid><wfw:comment>http://m.shnenglu.com/Amigo/comments/64536.html</wfw:comment><comments>http://m.shnenglu.com/Amigo/archive/2008/10/20/64536.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://m.shnenglu.com/Amigo/comments/commentRss/64536.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/Amigo/services/trackbacks/64536.html</trackback:ping><description><![CDATA[<div id="hvzpftn" class=articleContent id=articleBody>blog1:<span id=dgfiList__ctl3_Body><br> <wbr> <wbr> <wbr>鎴戜滑鍦ㄥ仛鑳借嚜鍔ㄧ敓鎴愯瘯鍗風(fēng)殑鑰冭瘯緋葷粺鏃訛紝甯稿父闇瑕侀殢鏈虹敓鎴愪竴緇勪笉閲嶅鐨勯鐩紝鍦?net <wbr>Framework涓彁渚涗簡涓涓笓闂ㄧ敤鏉ヤ駭鐢熼殢鏈烘暟鐨勭被System.Random銆?br>銆銆瀵逛簬闅忔満鏁幫紝澶у閮界煡閬擄紝璁$畻鏈轟笉鍙兘浜х敓瀹屽叏闅忔満鐨勬暟瀛楋紝鎵璋撶殑闅忔満鏁板彂鐢熷櫒閮芥槸閫氳繃涓瀹氱殑綆楁硶瀵逛簨鍏堥夊畾鐨勯殢鏈虹瀛愬仛澶嶆潅鐨勮繍綆楋紝鐢ㄤ駭鐢熺殑緇撴灉鏉ヨ繎浼肩殑妯℃嫙瀹屽叏闅忔満鏁幫紝榪欑闅忔満鏁拌縐?nbsp;<wbr>浣滀吉闅忔満鏁般備吉闅忔満鏁版槸浠ョ浉鍚岀殑姒傜巼浠庝竴緇勬湁闄愮殑鏁板瓧涓夊彇鐨勩傛墍閫夋暟瀛楀茍涓嶅叿鏈夊畬鍏ㄧ殑闅忔満鎬э紝浣嗘槸浠庡疄鐢ㄧ殑瑙掑害鑰岃█錛屽叾闅忔満紼嬪害宸茶凍澶熶簡銆備吉闅忔満鏁扮殑閫?nbsp;<wbr>鎷╂槸浠庨殢鏈虹瀛愬紑濮嬬殑錛屾墍浠ヤ負(fù)浜嗕繚璇佹瘡嬈″緱鍒扮殑浼殢鏈烘暟閮借凍澶熷湴“闅忔満”錛岄殢鏈虹瀛愮殑閫夋嫨灝辨樉寰楅潪甯擱噸瑕併傚鏋滈殢鏈虹瀛愪竴鏍鳳紝閭d箞鍚屼竴涓殢鏈烘暟鍙戠敓鍣ㄤ駭鐢?nbsp;<wbr>鐨勯殢鏈烘暟涔熶細(xì)涓鏍楓備竴鑸湴錛屾垜浠嬌鐢ㄥ悓緋葷粺鏃墮棿鏈夊叧鐨勫弬鏁頒綔涓洪殢鏈虹瀛愶紝榪欎篃鏄?net <wbr>Framework涓殑闅忔満鏁板彂鐢熷櫒榛樿閲囩敤鐨勬柟娉曘?br>銆銆鎴戜滑鍙互浣跨敤涓ょ鏂瑰紡鍒濆鍖栦竴涓殢鏈烘暟鍙戠敓鍣細(xì)<br>銆銆絎竴縐嶆柟娉曚笉鎸囧畾闅忔満縐嶅瓙錛岀郴緇熻嚜鍔ㄩ夊彇褰撳墠鏃墮棿浣滀負(fù)闅忔満縐嶅瓙錛?br>銆銆Random <wbr>ro <wbr>= <wbr>new <wbr>Random();<br>銆銆絎簩縐嶆柟娉曞彲浠ユ寚瀹氫竴涓猧nt鍨嬪弬鏁頒綔涓洪殢鏈虹瀛愶細(xì)<br>銆銆int <wbr>iSeed=10;<br>銆銆Random <wbr>ro <wbr>= <wbr>new <wbr>Random(10);<br>銆銆long <wbr>tick <wbr>= <wbr>DateTime.Now.Ticks;<br>銆銆Random <wbr>ran <wbr>= <wbr>new <wbr>Random((int)(tick <wbr>& <wbr>0xffffffffL) <wbr>| <wbr>(int) <wbr>(tick <wbr>>> <wbr>32));<br>銆銆榪欐牱鍙互淇濊瘉99%涓嶆槸涓鏍楓?br>銆銆涔嬪悗錛屾垜浠氨鍙互浣跨敤榪欎釜Random綾葷殑瀵硅薄鏉ヤ駭鐢熼殢鏈烘暟錛岃繖鏃跺欒鐢ㄥ埌Random.Next()鏂規(guī)硶銆傝繖涓柟娉曚嬌鐢ㄧ浉褰撶伒媧伙紝浣犵敋鑷沖彲浠ユ寚瀹氫駭鐢熺殑闅忔満鏁扮殑涓婁笅闄愩?br>銆銆涓嶆寚瀹氫笂涓嬮檺鐨勪嬌鐢ㄥ涓嬶細(xì)<br>銆銆int <wbr>iResult;<br>銆銆iResult=ro.Next();<br>銆銆涓嬮潰鐨勪唬鐮佹寚瀹氳繑鍥炲皬浜?00鐨勯殢鏈烘暟錛?br>銆銆int <wbr>iResult;<br>銆銆int <wbr>iUp=100;<br>銆銆iResult=ro.Next(iUp);<br>銆銆鑰屼笅闈㈣繖孌典唬鐮佸垯鎸囧畾榪斿洖鍊煎繀欏誨湪50-100鐨勮寖鍥翠箣鍐咃細(xì)<br>銆銆int <wbr>iResult;<br>銆銆int <wbr>iUp=100;<br>銆銆int <wbr>iDown=50;<br>銆銆iResult=ro.Next(iDown,iUp);<br>銆銆闄や簡Random.Next()鏂規(guī)硶涔嬪錛孯andom綾昏繕鎻愪緵浜哛andom.NextDouble()鏂規(guī)硶浜х敓涓涓寖鍥村湪0.0-1.0涔嬮棿鐨勯殢鏈虹殑鍙岀簿搴︽誕鐐規(guī)暟錛?br>銆銆double <wbr>dResult;<br>銆銆dResult=ro.NextDouble();<br>銆銆浣嗘槸鐢≧andom綾葷敓鎴愰鍙鳳紝浼?xì)鍑虹幇閲嶅锛岀壒鍒槸鍦ㄦ暟閲忚緝灏忕殑棰樼洰涓鐢熸垚涓嶉噸澶嶇殑鐨勯鐩槸寰堥殑勫Q屽弬鑰冧簡緗戜笂鐨勪竴浜涙柟娉曪紝鍖呮嫭涓ょ被錛屼竴綾繪槸閫氳繃闅忔満縐嶅瓙鍏ユ墜錛屼嬌姣忎竴嬈$殑闅忔満縐嶅瓙涓嶅悓錛屾潵淇濊瘉涓嶉噸澶嶏紱絎簩綾繪槸浣跨敤涓浜涙暟鎹粨鏋勫拰綆楁硶銆備笅闈富瑕佸氨絎簩綾諱粙緇嶅嚑涓柟娉曘?br>銆 <wbr>銆<br> <wbr> <wbr> <wbr> <wbr>鏂規(guī)硶1錛氭濇兂鏄敤涓涓暟緇勬潵淇濆瓨绱㈠紩鍙鳳紝鍏堥殢鏈虹敓鎴愪竴涓暟緇勪綅緗紝鐒跺悗鎶婅繖涓綅緗殑绱㈠紩鍙峰彇鍑烘潵錛屽茍鎶婃渶鍚庝竴涓儲寮曞彿澶嶅埗鍒板綋鍓嶇殑鏁扮粍浣嶇疆錛岀劧鍚庝嬌闅忔満 <wbr>鏁扮殑涓婇檺鍑忎竴錛屽叿浣撳錛氬厛鎶婅繖100涓暟鏀懼湪涓涓暟緇勫唴錛屾瘡嬈¢殢鏈哄彇涓涓綅緗紙絎竴嬈℃槸1-100錛岀浜屾鏄?-99錛?..錛夛紝灝嗚浣嶇疆鐨勬暟鐢ㄦ渶鍚庣殑鏁?nbsp;<wbr>浠f浛銆?br><br> <wbr>銆銆int[] <wbr>index <wbr>= <wbr>new <wbr>int[15];<br>銆銆for <wbr>(int <wbr>i <wbr>= <wbr>0; <wbr>i <wbr>< <wbr>15; <wbr>i++)<br>銆銆銆銆index <wbr>= <wbr>i;<br>銆銆Random <wbr>r <wbr>= <wbr>new <wbr>Random();<br>銆銆//鐢ㄦ潵淇濆瓨闅忔満鐢熸垚鐨勪笉閲嶅鐨?0涓暟<br>銆銆int[] <wbr>result <wbr>= <wbr>new <wbr>int[10];<br>銆銆int <wbr>site <wbr>= <wbr>15;//璁劇疆涓嬮檺<br>銆銆int <wbr>id;<br>銆銆for <wbr>(int <wbr>j <wbr>= <wbr>0; <wbr>j <wbr>< <wbr>10; <wbr>j++)<br>銆銆{<br>銆銆銆銆id <wbr>= <wbr>r.Next(1, <wbr>site <wbr>- <wbr>1);<br>銆銆銆銆//鍦ㄩ殢鏈轟綅緗彇鍑轟竴涓暟錛屼繚瀛樺埌緇撴灉鏁扮粍<br>銆銆銆銆result[j] <wbr>= <wbr>index[id];<br>銆銆銆銆//鏈鍚庝竴涓暟澶嶅埗鍒板綋鍓嶄綅緗?br>銆銆銆銆index[id] <wbr>= <wbr>index[site <wbr>- <wbr>1];<br>銆銆銆銆//浣嶇疆鐨勪笅闄愬噺灝戜竴<br>銆銆銆銆site--;<br>銆銆} <wbr><br><br><br>銆銆鏂規(guī)硶2錛氬埄鐢℉ashtable銆俒NextPage]<br><br> <wbr>銆銆Hashtable <wbr>hashtable <wbr>= <wbr>new <wbr>Hashtable();<br>銆銆Random <wbr>rm <wbr>= <wbr>new <wbr>Random();<br>銆銆int <wbr>RmNum <wbr>= <wbr>10;<br>銆銆for <wbr>(int <wbr>i <wbr>= <wbr>0; <wbr>hashtable.Count <wbr>< <wbr>RmNum; <wbr>i++)<br>銆銆{<br> <wbr> <wbr> <wbr>銆銆 <wbr>int <wbr>nValue <wbr>= <wbr>rm.Next(100);<br> <wbr> <wbr>銆銆 <wbr> <wbr>if <wbr>(!hashtable.ContainsValue(nValue) <wbr>&& <wbr>nValue <wbr>!= <wbr>0)<br> <wbr> <wbr>銆銆 <wbr> <wbr>{<br> <wbr> <wbr>銆銆 <wbr> <wbr> <wbr>hashtable.Add(nValue, <wbr>nValue);<br> <wbr> <wbr>銆銆 <wbr> <wbr> <wbr>Console.WriteLine(nValue.ToString());<br> <wbr> <wbr>銆銆 <wbr> <wbr>}<br>銆銆} <wbr><br><br><br>銆銆鏂規(guī)硶3錛氶掑綊錛岀敤瀹冩潵媯嫻嬬敓鎴愮殑闅忔満鏁版槸鍚︽湁閲嶅錛屽鏋滃彇鍑烘潵鐨勬暟瀛楀拰宸插彇寰楃殑鏁板瓧鏈夐噸澶嶅氨閲嶆柊闅忔満鑾峰彇銆?br><br> <wbr>銆Random <wbr>ra=new <wbr>Random(unchecked((int)DateTime.Now.Ticks));<br>銆銆int[] <wbr>arrNum=new <wbr>int[10];<br>銆銆int <wbr>tmp=0;<br>銆銆int <wbr>minValue=1;<br>銆銆int <wbr>maxValue=10;<br>銆銆for <wbr>(int <wbr>i=0;i<10;i++)<br>銆銆{<br>銆銆銆銆tmp=ra.Next(minValue,maxValue); <wbr>//闅忔満鍙栨暟<br>銆銆銆銆arrNum=getNum(arrNum,tmp,minValue,maxValue,ra); <wbr>//鍙栧嚭鍊艱祴鍒版暟緇勪腑<br>銆銆}<br>銆銆.........<br>銆銆.........<br>銆銆public <wbr>int <wbr>getNum(int[] <wbr>arrNum,int <wbr>tmp,int <wbr>minValue,int <wbr>maxValue,Random <wbr>ra)<br>銆銆{<br>銆銆銆銆int <wbr>n=0;<br>銆銆銆銆while <wbr>(n<=arrNum.Length-1)<br>銆銆銆銆{<br>銆銆銆銆銆銆if <wbr>(arrNum[n]==tmp) <wbr>//鍒╃敤寰幆鍒ゆ柇鏄惁鏈夐噸澶?br>銆銆銆銆銆銆{<br>銆銆銆銆銆銆銆銆tmp=ra.Next(minValue,maxValue); <wbr>//閲嶆柊闅忔満鑾峰彇銆?br>銆銆銆銆銆銆銆銆getNum(arrNum,tmp,minValue,maxValue,ra);//閫掑綊:濡傛灉鍙栧嚭鏉ョ殑鏁板瓧鍜屽凡鍙栧緱鐨勬暟瀛楁湁閲嶅灝遍噸鏂伴殢鏈鴻幏鍙栥?br>銆銆銆銆銆銆}<br>銆銆銆銆n++;<br>銆銆銆銆}<br>銆銆銆銆return <wbr>tmp;<br>銆銆} <wbr><br></span></div> blog2:<br> /// <summary><br>  /// 鍔熻兘鎻忚堪錛氳繑鍥炰笉閲嶅闅忔満鏁版暟緇?br>  /// 浣滆咃細(xì)    鏉ㄨ壋宄?br>  /// 鍒涘緩鏃ユ湡錛?006-4-30<br>  /// </summary><br>  /// <param name="Num">闅忔満鏁頒釜鏁?lt;/param><br>  /// <param name="minNum">闅忔満鏁頒笅闄?lt;/param><br>  /// <param name="maxNum">闅忔満鏁頒笂闄?lt;/param><br>  /// <returns></returns><br>  public int[] GetRandomArray(int Number,int minNum,int maxNum)<br>  {<br>   int j;<br>   int[] b=new int[Number];<br>   Random r=new Random();<br>   for(j=0;j<Number;j++)<br>   {<br>    int i=r.Next(minNum,maxNum+1);<br>    int num=0;<br>    for(int k=0;k<j;k++)<br>    {<br>     if(b[k]==i)<br>     {<br>      num=num+1;<br>     }<br>    }<br>    if(num==0 )<br>    {<br>     b[j]=i;<br>    }<br>    else<br>    {<br>     j=j-1;<br>    }<br>   }<br>   return b;<br>  } <br><br><br>blog3:<br> <p>public static string GetRandomPassword(int length)<br>{<br>byte[] random = new Byte[length/2];<br>RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();<br>rng.GetNonZeroBytes(random);</p> <p>StringBuilder sb = new StringBuilder(length);<br>int i;<br>for (i = 0; i < random.Length; i++) <br>{<br>sb.Append(String.Format("{0:X2}",random[i]));<br>}<br>return sb.ToString();<br>}</p> <rdf:rdf xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskill.com/public/xml/rss/module/trackback/"><rdf:description rdf:about="http://www.bullog.cn/blogs/virushuo/archives/37237.aspx" dc:identifier="http://www.bullog.cn/blogs/virushuo/archives/37237.aspx" dc:title="C#闅忔満鏁扮敓鎴? trackback:ping="http://www.bullog.cn/blogs/virushuo/trackbacks/37237.aspx"><br><br>blog4:<br>Random   newRandom=new   Random();   <br>  string   tempRandom="";   <br>  for(int   i=0;i<4;i++)   <br>        {   <br>          string   t=Convert.ToInt16(9*a.NextDouble()).ToString();   <br>          <br>          tempRandom+=t;   <br>        <br>        }<br><br>鐢熸垚9浣?  <br>  Random   newRandom=new   Random();   <br>  string   tempRandom="";   <br>  for(int   i=0;i<9;i++)   <br>        {   <br>          string   t=Convert.ToInt16(9*a.NextDouble()).ToString();   <br>          <br>          tempRandom+=t;   <br>        <br>        }   <br>  闅忔満鐢熸垚“0”鎴?#8220;1”瀛楃   <br>    <br>  Random   newRandom=new   Random();   <br>  string   tempRandom="";   <br>  for(int   i=0;i<1;i++)   <br>        {   <br>          string   t=Convert.ToInt16(1*a.NextDouble()).ToString();   <br>          <br>          tempRandom+=t;   <br>        <br>        }   <br>    <br>鏇存.璇鋒妸     Random   newRandom=new   Random();     鎹㈡垚       Random   a=new   Random();<br><br>public   string   GetRandom(int   length)   <br>  {   <br>  string   radstr   =   "";   <br>  Random   random   =   new   Random();   <br>  for   (int   i=0;i<length;i++)   <br>  {   <br>  int   a   =   random.Next(10);   <br>  radstr+=a.ToString();   <br>  }   <br>  return   radstr;   <br>  }<br><br>blog5:<br> <h1 class=ContentTitle><strong>C#鐢熸垚闅忔満鏁板皬緇?/strong></h1> <h2 class=ContentAuthor>浣滆?dnawo 鏃ユ湡:2008-05-22</h2> <div id="hvzpftn" class=Content-Info> <div id="hvzpftn" class=InfoOther>瀛椾綋澶у皬: <a accessKey=1 href="javascript:SetFont('12px')"><u><font color=#0000ff>灝?/font></u></a> <a accessKey=2 href="javascript:SetFont('14px')"><u><font color=#0000ff>涓?/font></u></a> <a accessKey=3 href="javascript:SetFont('16px')"><u><font color=#0000ff>澶?/font></u></a></div> <div id="hvzpftn" class=InfoAuthor><u><font color=#0000ff><img style="MARGIN: 0px 2px -6px 0px" alt="" src="http://www.mzwu.com/images/weather/hn2_sunny.gif"><img alt="" src="http://www.mzwu.com/images/weather/hn2_t_sunny.gif"></font></u> <img style="MARGIN: 0px 2px -1px 0px" alt="" src="http://www.mzwu.com/images/level3.gif"> </div> </div> <div id="hvzpftn" class=Content-body id=logPanel>C#鐨凴andom綾葷殑瀹炰緥鏂規(guī)硶Next鍙互鐢熸垚涓涓蹭吉闅忔満鏁幫紝Next鏈変笁涓噸杞藉嚱鏁幫細(xì)<br><br> <div id="hvzpftn" class=UBBPanel> <div id="hvzpftn" class=UBBTitle><img style="MARGIN: 0px 2px -3px 0px" alt=紼嬪簭浠g爜 src="http://www.mzwu.com/images/code.gif"> 紼嬪簭浠g爜</div> <div id="hvzpftn" class=UBBContent>public virtual int Next();<br>public virtual int Next(int maxValue);<br>public virtual int Next(int minValue, int maxValue);</div> </div> <br><br><strong>1.public virtual int Next()</strong><br>璇存槑錛氳繑鍥炲ぇ浜庢垨絳変簬闆朵笖灝忎簬 System.Int32.MaxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟銆?br> <div id="hvzpftn" class=UBBPanel> <div id="hvzpftn" class=UBBTitle><img style="MARGIN: 0px 2px -3px 0px" alt=紼嬪簭浠g爜 src="http://www.mzwu.com/images/code.gif"> 紼嬪簭浠g爜</div> <div id="hvzpftn" class=UBBContent>Random rand = new Random();<br>Response.Write(rand.Next());</div> </div> <br><strong>2.public virtual int Next(int maxValue)</strong><br>璇存槑錛氳繑鍥炲ぇ浜庢垨絳変簬闆朵笖灝忎簬 maxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟銆?br> <div id="hvzpftn" class=UBBPanel> <div id="hvzpftn" class=UBBTitle><img style="MARGIN: 0px 2px -3px 0px" alt=紼嬪簭浠g爜 src="http://www.mzwu.com/images/code.gif"> 紼嬪簭浠g爜</div> <div id="hvzpftn" class=UBBContent>Random rand = new Random();<br>Response.Write(rand.Next(100));</div> </div> <br><strong>3.public virtual int Next(int minValue, int maxValue)</strong><br>璇存槑錛氳繑鍥炰竴涓ぇ浜庢垨絳変簬 minValue 涓斿皬浜?maxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟銆?br> <div id="hvzpftn" class=UBBPanel> <div id="hvzpftn" class=UBBTitle><img style="MARGIN: 0px 2px -3px 0px" alt=紼嬪簭浠g爜 src="http://www.mzwu.com/images/code.gif"> 紼嬪簭浠g爜</div> <div id="hvzpftn" class=UBBContent>Random rand = new Random();<br>Response.Write(rand.Next(1000,2000));</div> </div> <br>鍜孯andom綾葷浉浼肩殑榪樻湁涓涓被Guid錛屽彲浠ョ敤瀹冪殑闈欐佹柟娉昇ewGuid鏉ヨ繑鍥炰竴涓叏灞鍞竴鏍囪瘑絎︼細(xì)<br><br> <div id="hvzpftn" class=UBBPanel> <div id="hvzpftn" class=UBBTitle><img style="MARGIN: 0px 2px -3px 0px" alt=紼嬪簭浠g爜 src="http://www.mzwu.com/images/code.gif"> 紼嬪簭浠g爜</div> <div id="hvzpftn" class=UBBContent>Response.Write(Guid.NewGuid().ToString());</div> </div> <br><br>blog6:<br> <table style="TABLE-LAYOUT: fixed"> <tbody> <tr> <td> <div id="hvzpftn" class=cnt id=blog_text> <p># regular<br>        /// <summary><br>        /// 榪斿洖澶т簬鎴栫瓑浜庨浂涓斿皬浜?System.Int32.MaxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟銆?br>        /// </summary><br>        /// <returns></returns><br>        public static void Next1()<br>        {<br>            Random rand = new Random();<br>            Console.WriteLine(rand.Next());<br>        }<br>        /// <summary><br>        /// 榪斿洖澶т簬鎴栫瓑浜庨浂涓斿皬浜?maxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟<br>        /// </summary><br>        /// <param name="maxValue"></param><br>        /// <returns></returns><br>        public static void Next2(int maxValue)<br>        {<br>            Random rand = new Random();<br>            Console.WriteLine(rand.Next(100));<br>        }<br>        /// <summary><br>        /// 榪斿洖涓涓ぇ浜庢垨絳変簬 minValue 涓斿皬浜?maxValue 鐨?32 浣嶅甫絎﹀彿鏁存暟銆?br>        /// </summary><br>        /// <param name="minValue"></param><br>        /// <param name="maxValue"></param><br>        /// <returns></returns><br>        public static void Next3(int minValue, int maxValue)<br>        {<br>            Random rand = new Random();<br>            Console.WriteLine(rand.Next(1000, 2000));<br>        }</p> <p>/// <summary><br>/// C#涓殢鏈虹敓鎴愭寚瀹氶暱搴︾殑瀵嗙爜<br>/// </summary></p> <p>private static string MakePassword(int pwdLength)<br>   {<br>    //澹版槑瑕佽繑鍥炵殑瀛楃涓?br>    string tmpstr = "";<br>    //瀵嗙爜涓寘鍚殑瀛楃鏁扮粍<br>    string pwdchars="abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";<br>    //鏁扮粍绱㈠紩闅忔満鏁?br>    int iRandNum;<br>    //闅忔満鏁扮敓鎴愬櫒<br>    Random rnd = new Random();<br>    for(int i=0;i<pwdLength;i++)<br>    {<br>     //Random綾葷殑Next鏂規(guī)硶鐢熸垚涓涓寚瀹氳寖鍥寸殑闅忔満鏁?br>     iRandNum = rnd.Next(pwdchars.Length);<br>     //tmpstr闅忔満娣誨姞涓涓瓧絎?br>     tmpstr += pwdchars[iRandNum];<br>    }<br>    return tmpstr;<br>   }<br>#endregular</p> </div> </td> </tr> </tbody> </table> <br><br><br></rdf:description></rdf:rdf></div> <img src ="http://m.shnenglu.com/Amigo/aggbug/64536.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/Amigo/" target="_blank">Amigo</a> 2008-10-20 21:58 <a href="http://m.shnenglu.com/Amigo/archive/2008/10/20/64536.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>matlab 浜屽煎浘鍍忕殑褰㈡佸鍙樻崲http://m.shnenglu.com/Amigo/archive/2008/06/28/54857.htmlAmigoAmigoFri, 27 Jun 2008 20:32:00 GMThttp://m.shnenglu.com/Amigo/archive/2008/06/28/54857.htmlhttp://m.shnenglu.com/Amigo/comments/54857.htmlhttp://m.shnenglu.com/Amigo/archive/2008/06/28/54857.html#Feedback2http://m.shnenglu.com/Amigo/comments/commentRss/54857.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/54857.html1銆乨ilate鍑芥暟
璇ュ嚱鏁拌兘澶熷疄鐜頒簩鍊煎浘鍍忕殑鑶ㄨ儉鎿嶄綔錛屾湁浠ヤ笅褰㈠紡錛?
BW2=dilate(BW1錛孲E)
BW2=dilate(BW1錛孲E錛?#8230;錛宯)
鍏朵腑錛欱W2=dilate(BW1錛孲E)琛ㄧず浣跨敤浜屽肩粨鏋勮绱犵煩闃礢E闃熷浘鍍忔暟鎹煩闃礏W1鎵ц鑶ㄨ儉鎿嶄綔銆傝緭鍏ュ浘鍍廈W1鐨勭被鍨嬩負(fù)double鎴杣nit8錛岃緭鍑哄浘鍍廈W2鐨勭被鍨嬩負(fù)unit8銆侭W2=dilate(BW1錛孲E錛?#8230;錛宯)琛ㄧず鎵ц鑶ㄨ儉鎿嶄綔n嬈°?
2銆乪rode 鍑芥暟
璇ュ嚱鏁拌兘澶熷疄鐜頒簩鍊煎浘鍍忕殑鑵愯殌鎿嶄綔錛屾湁浠ヤ笅褰㈠紡錛?
BW2= erode(BW1錛孲E)
BW2= erode(BW1錛孲E錛?#8230;錛宯)
鍏朵腑錛欱W2= erode(BW1錛孲E)琛ㄧず浣跨敤浜屽肩粨鏋勮绱犵煩闃礢E闃熷浘鍍忔暟鎹煩闃礏W1鎵ц鑵愯殌鎿嶄綔銆傝緭鍏ュ浘鍍廈W1鐨勭被鍨嬩負(fù)double鎴杣nit8錛岃緭鍑哄浘鍍廈W2鐨勭被鍨嬩負(fù)unit8銆侭W2= erode(BW1錛孲E錛?#8230;錛宯)琛ㄧず鎵ц鑵愯殌鎿嶄綔n嬈°?
3銆乥wmorph鍑芥暟
璇ュ嚱鏁扮殑鍔熻兘鏄兘瀹炵幇浜屽煎浘鍍忓艦鎬佸榪愮畻銆傚畠鐨勬牸寮忓涓嬶細(xì)
鈶?BW2=bwmorph(BW1錛宱peration)
鈶?BW2=bwmorph(BW1錛宱peration錛宯)
鍏朵腑錛氬浜庢牸寮忊憼錛宐wmorph鍑芥暟鍙浜屽煎浘鍍廈W1閲囩敤鎸囧畾鐨勫艦鎬佸榪愮畻錛涘浜庢牸寮忊憽錛宐wmorph鍑芥暟鍙浜屽煎浘鍍廈W1閲囩敤鎸囧畾鐨勫艦鎬佸榪愮畻n嬈°俹peration涓轟笅鍒楀瓧絎︿覆涔嬩竴錛?
‘clean’錛氶櫎鍘誨绔嬬殑鍍忕礌(琚?鍖呭洿鐨?)
‘close’錛氳綆椾簩鍊奸棴鍚?
‘dilate’錛氱敤緇撴瀯鍏冪礌璁$畻鍥懼儚鑶ㄨ儉
‘erode’錛氱敤緇撴瀯鍏冪礌璁$畻鍥懼儚渚佃殌
4銆乮mclose鍑芥暟
璇ュ嚱鏁板姛鑳芥槸瀵圭伆搴﹀浘鍍忔墽琛屽艦鎬佸闂繍綆楋紝鍗充嬌鐢ㄥ悓鏍風(fēng)殑緇撴瀯鍏冪礌鍏堝鍥懼儚榪涜鑶ㄨ儉鎿嶄綔鍚庤繘琛岃厫铓鎿嶄綔銆傝皟鐢ㄦ牸寮忎負(fù)錛?
IM2=imclose(IM,SE)
IM2=imclose(IM,NHOOD)
5銆乮mopen鍑芥暟
璇ュ嚱鏁板姛鑳芥槸瀵圭伆搴﹀浘鍍忔墽琛屽艦鎬佸寮榪愮畻錛屽嵆浣跨敤鍚屾牱鐨勭粨鏋勫厓绱犲厛瀵瑰浘鍍忚繘琛岃厫铓鎿嶄綔鍚庤繘琛岃啫鑳鎿嶄綔銆傝皟鐢ㄦ牸寮忎負(fù)錛?
IM2=imopen(IM,SE)
IM2=imopen(IM,NHOOD)
3鐢∕ATLAB緙栫▼瀹炵幇鍥懼儚鍘誨櫔
3.1 浜屽煎艦鎬佸娑堥櫎鍥懼儚鍣0
鐢ㄤ簩鍊煎艦鎬佸鏂規(guī)硶瀵瑰浘鍍忎腑鐨勫櫔澹拌繘琛屾護闄ょ殑鍩烘湰鎬濇兂[4]鏄細(xì)浣跨敤鍏鋒湁涓瀹氬艦鎬佺殑緇撴瀯鍏冪礌鍘誨害閲忓拰鎻愬彇鍥懼儚涓殑瀵瑰簲褰㈢姸錛屼互杈懼埌娑堥櫎鍥懼儚鍣0鐨勭洰鐨勩備笅闈㈡槸浜屽煎艦鎬佸娑堥櫎鍥懼儚鍣0鐨勪竴涓疄渚嬨?
棣栧厛灝唗ire.tif鍥懼儚鍔犲叆妞掔洂鍣0錛岃繖縐嶅櫔澹板墠闈㈠凡緇忎粙緇嶈繃錛屽畠鍦ㄤ寒鐨勫浘鍍忓尯鍩熷唴鏄殫鐐癸紝鑰屽湪鏆楃殑鍥懼儚鍖哄煙鍐呮槸浜偣錛屽啀瀵規(guī)湁鍣0鍥懼儚榪涜浜屽煎寲鎿嶄綔錛屽啀瀵規(guī)湁鍣0鍥懼儚榪涜寮鍚搷浣滐紝鐢變簬榪欓噷鐨勭粨鏋勫厓绱犵煩闃墊瘮鍣0鐨勫昂瀵歌澶э紝鍥犺屽紑鍚殑緇撴灉鏄皢鑳屾櫙涓婄殑鍣0鐐瑰幓闄や簡錛屾渶鍚庡鍓嶄竴姝ュ緱鍒扮殑鍥懼儚榪涜闂悎鎿嶄綔錛屽皢杞儙涓婄殑鍣0鐐瑰幓鎺変簡銆?
涓嬮潰鏄畻娉曞疄鐜扮殑紼嬪簭浠g爜錛?
I1=imread('tire.tif'); %璇葷伆搴﹀浘tire.tif
I2=imnoise(I1,'salt & pepper'); %鍦ㄥ浘鍍忎笂鍔犲叆妞掔洂鍣0
figure,imshow(I2) %鏄劇ず鍔犳鐩愬櫔澹板悗鐨勭伆搴﹀浘鍍?
I3=im2bw(I1); %鎶婂姞妞掔洂鍣0鍚庣殑鐏板害鍥懼儚浜屽煎寲
figure,imshow(I3) %鏄劇ず浜屽煎寲鍚庣殑鍥懼儚
I4=bwmorph(I3,'open'); %瀵逛簩鍊煎櫔澹板浘鍍忚繘琛屼簩鍊煎艦鎬佸寮榪愮畻
figure,imshow(I4) %鏄劇ず寮榪愮畻鍚庣殑鍥懼儚
I5=bwmorph(I4,'close'); %瀵逛笂榪板浘鍍忚繘琛屽艦鎬佸闂繍綆?
figure,imshow(I5) %鏄劇ず鏈緇堝鐞嗗悗鐨勫浘鍍?br>
杞嚜:http://hi.baidu.com/%D2%B9%CB%AE%BE%A7%CD%F5%BD%A8%C7%E0/blog/item/160ea634225dfb385bb5f58b.html


Amigo 2008-06-28 04:32 鍙戣〃璇勮
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matlab璇籺xt鏂囦歡http://m.shnenglu.com/Amigo/archive/2008/06/04/52183.htmlAmigoAmigoWed, 04 Jun 2008 10:13:00 GMThttp://m.shnenglu.com/Amigo/archive/2008/06/04/52183.htmlhttp://m.shnenglu.com/Amigo/comments/52183.htmlhttp://m.shnenglu.com/Amigo/archive/2008/06/04/52183.html#Feedback1http://m.shnenglu.com/Amigo/comments/commentRss/52183.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/52183.html娉曚竴錛?br>fid1=fopen('fx.txt','r');錛呭緱鍒版枃浠跺彿
[f,count]=fscanf(fid,'%f %f',[12,90]);
錛呮妸鏂囦歡鍙?鐨勬暟鎹鍒癴涓傚叾涓璮鏄痆12 90]鐨勭煩闃?br>錛呰繖閲?%f %f'琛ㄧず璇誨彇鏁版嵁鐨勫艦鍔匡紝浠栨槸鎸夊師濮嬫暟鎹瀷璇誨嚭
fclose(fid);錛呭叧闂枃浠?br>
娉曚簩錛?br>load data.txt
data

娉曚笁錛?br>a=importdata('data.txt');


Amigo 2008-06-04 18:13 鍙戣〃璇勮
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鍦╒C涓垱寤篋LL鏂囦歡鐨勬柟娉曟楠?/title><link>http://m.shnenglu.com/Amigo/archive/2008/05/14/49874.html</link><dc:creator>Amigo</dc:creator><author>Amigo</author><pubDate>Wed, 14 May 2008 13:59:00 GMT</pubDate><guid>http://m.shnenglu.com/Amigo/archive/2008/05/14/49874.html</guid><wfw:comment>http://m.shnenglu.com/Amigo/comments/49874.html</wfw:comment><comments>http://m.shnenglu.com/Amigo/archive/2008/05/14/49874.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/Amigo/comments/commentRss/49874.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/Amigo/services/trackbacks/49874.html</trackback:ping><description><![CDATA[<p>銆銆<strong>涓.Win32鍔ㄦ侀摼鎺ュ簱</strong></p> <p>銆銆<strong><font color=#e66b1a>1.<nobr oncontextmenu="return false;" onmousemove=kwM(0); id=key0 onmouseover="kwE(event,0, this);" onclick="return kwC();" onmouseout="kwL(event, this);" target="_blank">鍒朵綔</nobr>鐨勬楠わ細(xì)</font></strong></p> <p>銆銆(1)鏂板緩WIN32 Dynamic-link Library宸ョ▼錛屽伐紼嬪悕涓篗yDll錛岄夋嫨A simple DLL project綾誨瀷銆?/p> <p>銆銆(2)MyDll.h鐨勫唴瀹瑰涓嬶細(xì)</p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆extern "C" _declspec(dllexport) int sum(int a,int b);//鏈枃鎵鏈夌殑渚嬪瓙鍙湁涓涓猻um鍗沖姞娉曞嚱鏁般?/td> </tr> </tbody> </table> </p> <p>銆銆(3)MyDll.cpp鐨勫唴瀹瑰涓?</p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆#include "stdafx.h" <br>銆銆#include "windows.h" <br>銆銆#include "MyDll.h" <br>銆銆BOOL APIENTRY DllMain( <br>銆銆HANDLE hModule, <br>銆銆DWORD ul_reason_for_call, <br>銆銆LPVOID lpReserved <br>銆銆) <br>銆銆{ <br>銆銆return TRUE; <br>銆銆} <br>銆銆extern "C" _declspec(dllexport)int sum(int a, int b) <br>銆銆{ <br>銆銆return a+b; <br>銆銆}</td> </tr> </tbody> </table> </p> <p>銆銆(4)緙栬瘧涔嬪悗浜х敓浜哅yDll.lib涓嶮yDll.dll涓や釜鏂囦歡銆?/p> <p>銆銆<strong><font color=#e66b1a>2.浣跨敤鏂規(guī)硶錛?/font></strong></p> <p>銆銆(1).闅愬紡璋冪敤娉曪細(xì) 灝哅yDll.lib鍜孧yDll.h鎷瘋礉鍒伴渶瑕?nobr oncontextmenu="return false;" onmousemove=kwM(3); id=key3 onmouseover="kwE(event,3, this);" onclick="return kwC();" onmouseout="kwL(event, this);" target="_blank">搴旂敤</nobr>璇LL鐨勫伐紼嬬殑鐩綍涓嬶紝灝哅yDll.dll鎷瘋礉鍒頒駭鐢熺殑搴旂敤<nobr oncontextmenu="return false;" onmousemove=kwM(1); id=key1 onmouseover="kwE(event,1, this);" onclick="return kwC();" onmouseout="kwL(event, this);" target="_blank">紼嬪簭</nobr>鐨勭洰褰曚笅錛屽茍鍦ㄩ渶瑕佸簲鐢ㄨDLL涓殑鍑芥暟鐨凜PP鏂囦歡涓坊鍔犲涓嬪嚑琛岋細(xì)</p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆#include "MyDll.h" <br>銆銆#pragma comment(lib,"MyDll");</td> </tr> </tbody> </table> </p> <p>銆銆(2).鏄劇ず璋冪敤娉曪細(xì)灝哅yDll.lib鍜孧yDll.h鎷瘋礉鍒伴渶瑕佸簲鐢ㄨDLL鐨勫伐紼嬬殑鐩綍涓嬶紝灝哅yDll.dll鎷瘋礉鍒頒駭鐢熺殑搴旂敤紼嬪簭鐨勭洰褰曚笅錛屽茍鍦ㄩ渶瑕佸簲鐢ㄨDLL涓殑鍑芥暟鐨凜PP鏂囦歡涓寘鍚ご鏂囦歡錛屽錛?/p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆#include "MyDll.h"</td> </tr> </tbody> </table> </p> <p>銆銆鍚屾椂榪橀渶瑕佸湪Project->Setting->Link->Object/library modules鐨勬涓鍔燤yDll.lib榪欎釜搴撱?/p> <p>銆銆<strong>浜?MFC鍔ㄦ侀摼鎺ュ簱</strong></p> <p>銆銆<strong><font color=#e66b1a>1.鍒朵綔鐨勬楠わ細(xì)</font></strong></p> <p>銆銆(1)鏂板緩MFC AppWizard(dll)宸ョ▼錛屽伐紼嬪悕涓篗FCDll錛岄夋嫨Regular DLL using shared MFC DLL綾誨瀷銆?/p> <p>銆銆(2)鍦ㄧ敓鎴愮殑MFCDll.cpp鏂囦歡鍚庨潰澧炲姞涓嬮潰鍑犺錛?/p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆int sum(int a, int b) <br>銆銆{ <br>銆銆return a+b; <br>銆銆}</td> </tr> </tbody> </table> </p> <p>銆銆(3)鍦ㄧ敓鎴愮殑MFCDll.def鏂囦歡鍚庨潰澧炲姞濡備笅錛?/p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆sum @1 ;琛ㄧず絎竴涓嚱鏁版槸sum</td> </tr> </tbody> </table> </p> <p>銆銆(4)緙栬瘧鍚庝細(xì)浜х敓涓や釜鏂囦歡MFCDll.lib,MFCDll.dll</p> <p>銆銆<strong><font color=#e66b1a>2.浣跨敤鏂規(guī)硶</font></strong></p> <p>銆銆(1)闅愬紡璋冪敤娉曪細(xì) 灝哅FCDll.lib鎷瘋礉鍒伴渶瑕佸簲鐢ㄨDLL鐨勫伐紼嬬殑鐩綍涓嬶紝灝哅yDll.dll鎷瘋礉鍒頒駭鐢熺殑搴旂敤紼嬪簭鐨勭洰褰曚笅錛屽茍鍦ㄩ渶瑕佸簲鐢ㄨDLL涓殑鍑芥暟鐨凜PP鏂囦歡涓坊鍔犲涓嬪嚑琛岋細(xì)</p> <p>銆銆//娉ㄦ剰榪欓噷娌℃湁鍦∕FCDll.h涓0鏄庡嚱鏁幫紝鎵浠ヤ笉鑳界洿鎺ュ寘鍚玀FCDll.h鏉ュ0鏄庡嚱鏁般?/p> <p> <table cellSpacing=0 cellPadding=6 width="95%" align=center border=0> <tbody> <tr> <td bgColor=#f3f3f3><font size=+0>浠ヤ笅鏄紩鐢ㄧ墖孌碉細(xì)</font><br>銆銆#pragma comment(lib,"MFCDll"); <br>銆銆int sum(int a, int b);</td> </tr> </tbody> </table> </p> <p>銆銆//褰撶劧濡傛灉浣犵殑DLL涓湁寰堝鍑芥暟錛岄偅鍙互鍙﹀鍐欎釜MFCDll.h錛屽寘鍚墍鏈夌殑鍑芥暟澹版槑錛岀劧鍚庣洿鎺ュ皢澶存枃浠跺寘鍚繘鍘?/p> <p>銆銆(2)鏄劇ず璋冪敤娉曪細(xì)涓嶹in32鐨勮皟鐢ㄦ柟娉曚竴鏍鳳紝涓嶉渶瑕?pragma comment(lib,"MFCDll");錛屼絾鏄渶瑕佸湪Project->Setting->Link->Object/library modules鐨勬涓鍔燤FCDll.lib榪欎釜搴撱?br><br>浣滆咃細(xì)<span><font color=#666666>浣氬悕</font></span> 鏉ユ簮:涓浗鑷緙栫▼緗?/p> <img src ="http://m.shnenglu.com/Amigo/aggbug/49874.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/Amigo/" target="_blank">Amigo</a> 2008-05-14 21:59 <a href="http://m.shnenglu.com/Amigo/archive/2008/05/14/49874.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Matlab鐨勪竴涓皬鍔ㄧ敾(甯︽簮鏂囦歡)http://m.shnenglu.com/Amigo/archive/2008/04/05/46285.htmlAmigoAmigoFri, 04 Apr 2008 18:59:00 GMThttp://m.shnenglu.com/Amigo/archive/2008/04/05/46285.htmlhttp://m.shnenglu.com/Amigo/comments/46285.htmlhttp://m.shnenglu.com/Amigo/archive/2008/04/05/46285.html#Feedback6http://m.shnenglu.com/Amigo/comments/commentRss/46285.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/46285.html

搴斿悓瀛︿箣鎵樼涓嬈″皾璇曠敤matlab鍋氬姩鐢伙紝寮勪簡涓涓嬪崍鍔犱竴鏅氫笂緇堜簬寮卞急鍦版悶瀹氫簡銆?br>鍏堝仛浜嗕釜GUI鐣岄潰錛岀偣鍑籇ebug 鈥攔un灝變細(xì)璺沖嚭涓璇濇錛岀劧鍚庤緭鍏ュ弬鏁幫紝濡傛灉鍙傛暟鏄礋鏁扮殑璇濆氨璺沖嚭璀﹀憡紿楀彛銆傚涓嬪浘錛?br>



          鐒跺悗灝卞紑濮嬪姩鐢諱簡錛?br>

涓嬭竟鏄簮鏂囦歡錛?br>function varargout = mmmove(varargin)
% MMMOVE M-file for mmmove.fig
%      MMMOVE, by itself, creates a new MMMOVE or raises the existing
%      singleton*.
%
%      H = MMMOVE returns the handle to a new MMMOVE or the handle to
%      the existing singleton*.
%
%      MMMOVE('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in MMMOVE.M with the given input arguments.
%
%      MMMOVE('Property','Value',...) creates a new MMMOVE or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before mmmove_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to mmmove_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES

% Edit the above text to modify the response to help mmmove

% Last Modified by GUIDE v2.5 04-Apr-2008 21:41:08

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @mmmove_OpeningFcn, ...
                   'gui_OutputFcn',  @mmmove_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end

if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT


% --- Executes just before mmmove is made visible.
function mmmove_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to mmmove (see VARARGIN)

% Choose default command line output for mmmove
handles.output = hObject;

% Update handles structure
guidata(hObject, handles);

% UIWAIT makes mmmove wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = mmmove_OutputFcn(hObject, eventdata, handles)
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure
varargout{1} = handles.output;


% --------------------------------------------------------------------
function Debug_Callback(hObject, eventdata, handles)
% hObject    handle to Debug (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)


% --------------------------------------------------------------------
function run_Callback(h, eventdata, handles)
% hObject    handle to run (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
prompt={'璇瘋緭鍏ラ熷害v:','璇瘋緭鍏ラ暱搴:','璇瘋緭鍏ュ崐寰剅:'};
defans={'5','10','2'};
v=5;L=10;r=2;
p=inputdlg(prompt,'Input',1,defans);
v=str2double(p(1));
L=str2double(p(2));
r=str2double(p(3));
%guidata(h,handles)
if v<=0|L<=0|r<=0
    warndlg('闈炴硶杈撳叆','璀﹀憡')
else
ox1=r;oy1=r;ox2=r+L;oy2=r;
x1=r:0.015*v:r+L;
y1=2*r*ones(size(x1));
thita=0:0.015*v/r:pi;
x2=sin(thita)*r+ox2;
y2=cos(thita)*r+oy2;
x3=r+L:-0.015*v:r;
y3=zeros(size(x3));
x4=-sin(thita)*r+ox1;
y4=-cos(thita)*r+oy1;
x=[x1 x2 x3 x4 x1(1)];
y=[y1 y2 y3 y4 y1(1)];
plot(x,y);
axis([0,2*r+L,-1,2*r+1]);
h_text=text(0,-2,['L = ' num2str(L) ' , ' 'r = ' num2str(r) ' , ' 'v = ' num2str(v)]);
set(h_text,'fontSize',13);
axis equal
set(gca,'Visible','off')
hm=line(r,2*r,'color','red','marker','.','markersize',37,'erasemode','xor');
while 1
    for i=1:length(x)
        set(hm,'xdata',x(i),'ydata',y(i));
        pause(0.0003)
        drawnow
    end
end
end

涓轟簡鑳借灝忕悆涓嶅仠鐨勫驚鐜繍鍔紝鎴戝姞浜唚hile 1鐨勮鍙ャ?br>榪欐牱鍦ㄥ叧闂獥鍙g殑鏃跺欙紝matlab鐨勫懡浠ょ獥閲屽氨浼?xì)锜╁囖Z竴鍫嗛敊璇紝澶ф鏄洜涓篺or寰幆閲屾秹鍙婂埌鐨刪m闅忕潃figure鐨勫叧闂垹闄や簡錛屼絾鏄▼搴忎粛鐒跺湪榪愯錛屾墍浠ヨ煩鍑轟笢瑗胯hm鏄痠nvalid鐨勩傛槸涓嶆槸鍙互鏀句釜鍋滄紼嬪簭鐨勫嚱鏁版斁figure鎴栬卆xis鐨刣eleteFcn閲屽ご錛屼笉榪囨病鎵懼埌閭f牱鐨勫嚱鏁般?br>鏈熷緟濂藉績澶х墰鎸囨暀銆傘傘?br>榪樻湁灝辨槸閫熷害鎺у埗闂錛岀敤璁$畻鐨勭殑閫熷害鎺у埗錛岃繍琛屾槑鏄懼亸鎱紝澶ф鏄▼搴忚嚜宸辮繍琛屼篃鑰楁椂鍚э紝榪欎釜涔熶笉鐭ラ亾鎬庝箞鍔炪備笉榪囧悗鏉ョ湅鍒扮瘒鏂囩珷璇寸敤timer瀵硅薄鏉ヤ駭鐢熷姩鐢葷殑錛屽緢涓嶉敊鐨勬牱瀛愩?br>鍏堝紩鐢ㄤ笅鏉ワ細(xì)

MATLAB GUI涓埄鐢ㄥ畾鏃跺櫒鍒朵綔鍔ㄧ敾

錛堟湰鏂囦負(fù)Liuxqsmile鍘熷垱錛岃漿杞借淇濈暀鍘熸枃閾炬帴錛?br>MATLAB涓彁渚涗簡涓浜涘姩鎬佹樉紺哄浘褰㈢殑渚嬪瓙錛屼緥濡倂ibes銆乼russ絳夛紝浣嗕粬浠殑紼嬪簭緇撴瀯閮藉拰鐢盙UIDE浜х敓鐨凪鏂囦歡鐨勭粨鏋勪笉鍚屻倀russ涓敤while寰幆鏉ユ洿鏂板浘褰㈢獥鍙o紝pause鍑芥暟鏉ユ帶鍒舵洿鏂扮殑閫熷害銆傝繖鏍風(fēng)殑緇撴瀯鏄笉閫傚悎鏀懼湪鏌愪竴涓瓙鍑芥暟涓潵鎵ц鐨勶紝鍚﹀垯紼嬪簭鍦ㄦ墽琛岃瀛愬嚱鏁版椂鏃犳硶鍝嶅簲鐢ㄦ埛鐨勫叾瀹冩搷浣滐紝鍙兘涓寮濮嬪氨璁劇疆緇堟鏉′歡錛岀瓑寰呭姩鐢葷殑鑷劧緇撴潫銆?br>MATLAB涓殑瀹氭椂鍣╰imer鍙互瀹氭椂瑙﹀彂錛屽懆鏈熸у湴鎵ц鎸囧畾鐨勫嚱鏁幫紝鎴戜滑鍙互鎹鏉ュ疄鐜扮粯鍥劇殑鑷姩鏇存柊錛岃屼笉浼?xì)濯勫搷鏁翠釜GUI瀵圭敤鎴峰叾瀹冩搷浣滅殑鍝嶅簲銆?br>姣斿鎴戜滑瑕佽涓涓洸闈㈤殢鏃墮棿鍛ㄦ湡鎬у湴鍙樺艦錛岀被浼紇ibes涓殑鎯呭艦錛屾寜涓?#8220;寮濮?#8221;鎸夐挳鍚庯紝鏇查潰寮濮嬪懆鏈熸尟鍔紝鍚屾椂鎴戜滑鍙互璋冩暣鎸箙澶у皬銆佸懆鏈熺殑闀跨煭銆傛墍涓嶅悓鐨勬槸鎴戜滑涓鍒囬兘鍦ㄥ瓙鍑芥暟涓畬鎴愩?br>鍦℅UIDE涓緩绔嬬晫闈㈠厓绱犲悗錛屽湪“寮濮?#8221;鎸夐挳鐨刢allback涓緩绔嬩竴涓畾鏃跺櫒timer瀵硅薄object
handles.timer = timer('Period',0.05,'ExecutionMode','FixedRate',
... 'TimerFcn',{@PlotUpdate,handles});
Period鏄Е鍙戠殑鍛ㄦ湡錛岃繖閲岃緗負(fù)0.05s錛孍xecutionMode鏄墽琛岀殑鏂瑰紡錛屽彲浠ユ湁涓夌閫夋嫨錛屽浜庝笉闇瑕佺簿紜帶鍒舵椂搴忕殑鍔ㄧ敾鐨勫獎鍝嶄笉澶э紝TimerFcn鎸囧畾瑙﹀彂鏃舵墍鎵ц鍑芥暟鐨勫彞鏌勶紝鍦ㄨ繖閲屾垜浠緩绔嬩竴涓嚱鏁癙lotUpdate鏉ユ墽琛岀粯鍥懼懡浠わ紝handles浣滀負(fù)鍙傛暟浼犻掑埌PlotUpdate涓幓銆?br>娉ㄦ剰PlotUpdate鐨勫畾涔夛細(xì)
function PlotUpdate(obj,events,handles)
鍓嶄袱涓弬鏁版槸蹇呬笉鍙皯鐨勶紝鏈鍚庣殑handles鎵嶆槸鐢ㄦ埛浼犻掔殑鏁版嵁銆傚湪榪欎釜鍑芥暟涓綘鍩烘湰涓婂彲浠ユ棤瑙嗗墠涓や釜鍙傛暟錛屾寜鐓ф洸闈㈢殑榪愬姩瓚嬪娍浜х敓鏂扮殑欏剁偣鍧愭爣錛岀劧鍚庣敤set鍛戒護灝嗘柊鐨勫潗鏍囪祴緇欐洸闈?闈㈢墖patch)瀵硅薄鐨刅ertices灞炴с俤rawnow鏇存柊灝卞彲浠ヤ簡銆備綘鍙互鐢ㄦ洸闈㈠璞$殑UserData灞炴у瓨鏀懼綋鍓嶆尟鍔ㄧ殑騫呭肩浉浣嶇瓑鍙傛暟銆?br>鐒跺悗鍦?#8220;鍋滄”鎸夐挳鐨刢allback涓璼top(handles.timer)鍋滄瀹氭椂鍣紝灝卞彲浠ュ仠姝㈣嚜鍔ㄧ粯鍥句簡銆?br>鍦?#8220;澧炲ぇ鎸箙”鎸夐挳鐨刢allback涓鎸箙鍙傛暟浣滀慨鏀廣?br>鎺掗櫎浜嗕竴浜涘皬闂鍚庯紝浣犵殑鏇查潰緇堜簬鍙互鍔ㄨ搗鏉ヤ簡錛屾寜“澧炲ぇ鎸箙”絳変篃娌℃湁褰卞搷鍥懼艦鐨勮繍鍔紝鐪熺殑鏄?#8220;涓鐐瑰獎鍝嶉兘娌℃湁”鍟婏紒
闂鍑哄湪鍝噷鍛紵鍘熸潵錛屽綋瀹氭椂鍣ㄧ涓嬈¤Е鍙戞椂錛岀敤鎴鋒寚瀹氱殑鍙傛暟琚紶閫掑埌鍝嶅簲鍑芥暟涓墽琛岋紝浠ュ悗姣忎竴嬈¤Е鍙戯紝閮芥槸浣跨敤鐨勮繖鍚屼竴緇勫弬鏁幫紝騫朵笉浼?xì)闅忕潃紼嬪簭鐨勮繍琛岃屾洿鏂般傚ソ浜嗭紝鐜板湪鍙互鍦?br>“澧炲ぇ鎸箙”涓噸鏂拌祴涓嬈″弬鏁?br>set(handles.timer,'TimerFcn',{@PlotUpdate,handles})錛?br>鎬庝箞鏍鳳紝杈懼埌浣犵殑瑕佹眰浜嗗惂錛佹兂鐭ラ亾鏇村錛烳ATLAB Help鐨刬ndex涓緭鍏imer錛屽澶氫簡鍚с?/p>



鍔ㄧ敾涓嬭澆錛?span style="COLOR: red">涓嬭澆鍚庯紝鐢╩atlab7.0浠ヤ笂鐨勭増鏈彲榪愯銆?/span>



Amigo 2008-04-05 02:59 鍙戣〃璇勮
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鍗″皵鏇兼護娉?鈥?Kalman Filteringhttp://m.shnenglu.com/Amigo/archive/2008/04/01/45914.htmlAmigoAmigoTue, 01 Apr 2008 06:24:00 GMThttp://m.shnenglu.com/Amigo/archive/2008/04/01/45914.htmlhttp://m.shnenglu.com/Amigo/comments/45914.htmlhttp://m.shnenglu.com/Amigo/archive/2008/04/01/45914.html#Feedback4http://m.shnenglu.com/Amigo/comments/commentRss/45914.htmlhttp://m.shnenglu.com/Amigo/services/trackbacks/45914.html1錛?nbsp;   浠涔堟槸鍗″皵鏇兼護娉㈠櫒
錛圵hat is the Kalman Filter?錛?br>
鍦ㄥ涔?fàn)鍗當(dāng)鏇兼护鎳L鍣ㄤ箣鍓嶏紝棣栧厛鐪嬬湅涓轟粈涔堝彨“鍗″皵鏇?#8221;銆傝窡鍏朵粬钁楀悕鐨勭悊璁猴紙渚嬪鍌呯珛鍙跺彉鎹紝娉板嫆綰ф暟絳夌瓑錛変竴鏍鳳紝鍗″皵鏇間篃鏄竴涓漢鐨勫悕瀛楋紝鑰岃窡浠栦滑涓嶅悓鐨勬槸錛屼粬鏄釜鐜頒唬浜猴紒

鍗″皵鏇煎叏鍚峈udolf Emil Kalman錛屽寛鐗欏埄鏁板瀹訛紝1930騫村嚭鐢熶簬鍖堢墮鍒╅閮藉竷杈句僵鏂?953錛?954騫翠簬楹葷渷鐞嗗伐瀛﹂櫌鍒嗗埆鑾峰緱鐢墊満宸ョ▼瀛﹀+鍙婄澹浣嶃?957騫翠簬鍝ヤ雞姣斾簹澶у鑾峰緱鍗氬+瀛︿綅銆傛垜浠幇鍦ㄨ瀛︿範(fàn)鐨勫崱灝?dāng)鏇兼护鎳L鍣紝姝f槸婧愪簬浠栫殑鍗氬+璁烘枃鍜?960騫村彂琛ㄧ殑璁烘枃銆夾 New Approach to Linear Filtering and Prediction Problems銆嬶紙綰挎ф護娉笌棰勬祴闂鐨勬柊鏂規(guī)硶錛夈傚鏋滃榪欑紪璁烘枃鏈夊叴瓚o紝鍙互鍒拌繖閲岀殑鍦板潃涓嬭澆錛?/span> http://www.cs.unc.edu/~welch/media/pdf/Kalman1960.pdf 銆?/span>

綆鍗曟潵璇達紝鍗″皵鏇兼護娉㈠櫒鏄竴涓?#8220;optimal recursive data processing algorithm錛堟渶浼樺寲鑷洖褰掓暟鎹鐞嗙畻娉曪級”銆傚浜庤В鍐沖緢澶ч儴鍒嗙殑闂錛屼粬鏄渶浼橈紝鏁堢巼鏈楂樼敋鑷蟲槸鏈鏈夌敤鐨勩備粬鐨勫箍娉涘簲鐢ㄥ凡緇忚秴榪?0騫達紝鍖呮嫭鏈哄櫒浜哄鑸紝鎺у埗錛屼紶鎰熷櫒鏁版嵁铻嶅悎鐢氳嚦鍦ㄥ啗浜嬫柟闈㈢殑闆瘋揪
緋葷粺浠ュ強瀵煎脊榪借釜絳夌瓑銆傝繎騫存潵鏇磋搴旂敤浜庤綆楁満鍥懼儚澶勭悊錛屼緥濡傚ご鑴歌瘑鍒紝鍥懼儚鍒嗗壊錛屽浘鍍忚竟緙樻嫻嬬瓑絳夈?br>
2錛庡崱灝?dāng)鏇兼护鎳L鍣ㄧ殑浠嬬粛
錛圛ntroduction to the Kalman Filter錛?br>
涓轟簡鍙互鏇村姞瀹規(guī)槗鐨勭悊瑙e崱灝?dāng)鏇兼护鎳L鍣紝榪欓噷浼?xì)搴旂敤迮炶薄鐨勬弿杩版栆?guī)硶鏉ヨ瑙o紝鑰屼笉鏄儚澶у鏁板弬鑰冧功閭f牱緗楀垪涓澶у爢鐨勬暟瀛﹀叕寮忓拰鏁板絎﹀彿銆備絾鏄紝浠栫殑5鏉″叕寮忔槸鍏舵牳蹇冨唴瀹廣傜粨鍚堢幇浠g殑璁$畻鏈猴紝鍏跺疄鍗″皵鏇肩殑紼嬪簭鐩稿綋鐨勭畝鍗曪紝鍙浣犵悊瑙d簡浠栫殑閭?鏉″叕寮忋?br>
鍦ㄤ粙緇嶄粬鐨?鏉″叕寮忎箣鍓嶏紝鍏堣鎴戜滑鏉ユ牴鎹笅闈㈢殑渚嬪瓙涓姝ヤ竴姝ョ殑鎺㈢儲銆?br>
鍋囪鎴戜滑瑕佺爺絀剁殑瀵硅薄鏄竴涓埧闂寸殑娓╁害銆傛牴鎹綘鐨勭粡楠屽垽鏂紝榪欎釜鎴塊棿鐨勬俯搴︽槸鎭掑畾鐨勶紝涔熷氨鏄笅涓鍒嗛挓鐨勬俯搴︾瓑浜庣幇鍦ㄨ繖涓鍒嗛挓鐨勬俯搴︼紙鍋囪鎴戜滑鐢ㄤ竴鍒嗛挓鏉ュ仛鏃墮棿鍗曚綅錛夈傚亣璁句綘瀵逛綘鐨勭粡楠屼笉鏄?00%鐨勭浉淇★紝鍙兘浼?xì)鏈変笂涓嬪亸宸嚑搴︺傛垜浠妸榪欎簺鍋忓樊鐪嬫垚鏄珮鏂櫧鍣0錛圵hite Gaussian Noise錛夛紝涔熷氨鏄繖浜涘亸宸窡鍓嶅悗鏃墮棿鏄病鏈夊叧緋葷殑鑰屼笖絎﹀悎楂樻柉鍒嗛厤錛圙aussian Distribution錛夈傚彟澶栵紝鎴戜滑鍦ㄦ埧闂撮噷鏀句竴涓俯搴﹁錛屼絾鏄繖涓俯搴﹁涔熶笉鍑嗙‘鐨勶紝嫻嬮噺鍊間細(xì)姣斿疄闄呭煎亸宸傛垜浠篃鎶婅繖浜涘亸宸湅鎴愭槸楂樻柉鐧藉櫔澹般?br>
濂戒簡錛岀幇鍦ㄥ浜庢煇涓鍒嗛挓鎴戜滑鏈変袱涓湁鍏充簬璇ユ埧闂寸殑娓╁害鍊鹼細(xì)浣犳牴鎹粡楠岀殑棰勬祴鍊鹼紙
緋葷粺鐨勯嫻嬪鹼級鍜屾俯搴﹁鐨勫鹼紙嫻嬮噺鍊鹼級銆備笅闈㈡垜浠鐢ㄨ繖涓や釜鍊肩粨鍚堜粬浠悇鑷殑鍣0鏉ヤ及綆楀嚭鎴塊棿鐨勫疄闄呮俯搴﹀箋?br>
鍋囧鎴戜滑瑕佷及綆梜鏃跺埢鐨勬槸瀹為檯娓╁害鍊箋傞鍏堜綘瑕佹牴鎹甼-1鏃跺埢鐨勬俯搴﹀鹼紝鏉ラ嫻媖鏃跺埢鐨勬俯搴︺傚洜涓轟綘鐩鎬俊娓╁害鏄亽瀹氱殑錛屾墍浠ヤ綘浼?xì)寰楀埌k鏃跺埢鐨勬俯搴﹂嫻嬪兼槸璺焝-1鏃跺埢涓鏍風(fēng)殑錛屽亣璁炬槸23搴︼紝鍚屾椂璇ュ肩殑楂樻柉鍣0鐨勫亸宸槸5搴︼紙5鏄繖鏍峰緱鍒扮殑錛氬鏋渒-1鏃跺埢浼扮畻鍑虹殑鏈浼樻俯搴﹀肩殑鍋忓樊鏄?錛屼綘瀵硅嚜宸遍嫻嬬殑涓嶇‘瀹氬害鏄?搴︼紝浠栦滑騫蟲柟鐩稿姞鍐嶅紑鏂癸紝灝辨槸5錛夈傜劧鍚庯紝浣犱粠娓╁害璁¢偅閲屽緱鍒頒簡k鏃跺埢鐨勬俯搴﹀鹼紝鍋囪鏄?5搴︼紝鍚屾椂璇ュ肩殑鍋忓樊鏄?搴︺?br>
鐢變簬鎴戜滑鐢ㄤ簬浼扮畻k鏃跺埢鐨勫疄闄呮俯搴︽湁涓や釜娓╁害鍊鹼紝鍒嗗埆鏄?3搴﹀拰25搴︺傜┒绔熷疄闄呮俯搴︽槸澶氬皯鍛紵鐩鎬俊鑷繁榪樻槸鐩鎬俊娓╁害璁″憿錛熺┒绔熺浉淇¤皝澶氫竴鐐癸紝鎴戜滑鍙互鐢ㄤ粬浠殑covariance鏉ュ垽鏂傚洜涓篕g^2=5^2/(5^2+4^2)錛屾墍浠g=0.78錛屾垜浠彲浠ヤ及綆楀嚭k鏃跺埢鐨勫疄闄呮俯搴﹀兼槸錛?3+0.78*(25-23)=24.56搴︺傚彲浠ョ湅鍑猴紝鍥犱負(fù)娓╁害璁$殑covariance姣旇緝?yōu)畯锛堟瘮杈冪涙俊娓╁害璁★級錛屾墍浠ヤ及綆楀嚭鐨勬渶浼樻俯搴﹀煎亸鍚戞俯搴﹁鐨勫箋?br>
鐜板湪鎴戜滑宸茬粡寰楀埌k鏃跺埢鐨勬渶浼樻俯搴﹀間簡錛屼笅涓姝ュ氨鏄榪涘叆k+1鏃跺埢錛岃繘琛屾柊鐨勬渶浼樹及綆椼傚埌鐜板湪涓烘錛屽ソ鍍忚繕娌$湅鍒頒粈涔堣嚜鍥炲綊鐨勪笢瑗垮嚭鐜般傚浜嗭紝鍦ㄨ繘鍏+1鏃跺埢涔嬪墠錛屾垜浠繕瑕佺畻鍑簁鏃跺埢閭d釜鏈浼樺鹼紙24.56搴︼級鐨勫亸宸傜畻娉曞涓嬶細(xì)((1-Kg)*5^2)^0.5=2.35銆傝繖閲岀殑5灝辨槸涓婇潰鐨刱鏃跺埢浣犻嫻嬬殑閭d釜23搴︽俯搴﹀肩殑鍋忓樊錛屽緱鍑虹殑2.35灝辨槸榪涘叆k+1鏃跺埢浠ュ悗k鏃跺埢浼扮畻鍑虹殑鏈浼樻俯搴﹀肩殑鍋忓樊錛堝搴斾簬涓婇潰鐨?錛夈?br>
灝辨槸榪欐牱錛屽崱灝?dāng)鏇兼护鎳L鍣ㄥ氨涓嶆柇鐨勬妸covariance閫掑綊錛屼粠鑰屼及綆楀嚭鏈浼樼殑娓╁害鍊箋備粬榪愯鐨勫緢蹇紝鑰屼笖瀹冨彧淇濈暀浜嗕笂涓鏃跺埢鐨刢ovariance銆備笂闈㈢殑Kg錛屽氨鏄崱灝?dāng)鏇煎鐩婂Q圞alman Gain錛夈備粬鍙互闅忎笉鍚岀殑鏃跺埢鑰屾敼鍙樹粬鑷繁鐨勫鹼紝鏄笉鏄緢紲炲錛?br>
涓嬮潰灝辮璦褰掓浼狅紝璁ㄨ鐪熸宸ョ▼
緋葷粺涓婄殑鍗″皵鏇箋?br>
3錛?nbsp;   鍗″皵鏇兼護娉㈠櫒綆楁硶
錛圱he Kalman Filter Algorithm錛?br>
鍦ㄨ繖涓閮ㄥ垎錛屾垜浠氨鏉ユ弿榪版簮浜嶥r Kalman 鐨勫崱灝?dāng)鏇兼护鎳L鍣ㄣ備笅闈㈢殑鎻忚堪錛屼細(xì)娑夊強涓浜涘熀鏈殑姒傚康鐭ヨ瘑錛屽寘鎷鐜囷紙Probability錛夛紝闅忓嵆鍙橀噺錛圧andom Variable錛夛紝楂樻柉鎴栨鎬佸垎閰嶏紙Gaussian Distribution錛夎繕鏈塖tate-space Model絳夌瓑銆備絾瀵逛簬鍗″皵鏇兼護娉㈠櫒鐨勮緇嗚瘉鏄庯紝榪欓噷涓嶈兘涓涓鎻忚堪銆?br>
棣栧厛錛屾垜浠厛瑕佸紩鍏ヤ竴涓鏁f帶鍒惰繃紼嬬殑緋葷粺銆傝
緋葷粺鍙敤涓涓嚎鎬ч殢鏈哄井鍒嗘柟紼嬶紙Linear Stochastic Difference equation錛夋潵鎻忚堪錛?br>X(k)=A X(k-1)+B U(k)+W(k)
鍐嶅姞涓?/span>緋葷粺鐨勬祴閲忓鹼細(xì)
Z(k)=H X(k)+V(k)
涓婁袱寮忓瓙涓紝X(k)鏄痥鏃跺埢鐨?/span>緋葷粺鐘舵侊紝U(k)鏄痥鏃跺埢瀵?/span>緋葷粺鐨勬帶鍒墮噺銆侫鍜孊鏄郴緇熷弬鏁幫紝瀵逛簬澶氭ā鍨?/span>緋葷粺錛屼粬浠負(fù)鐭╅樀銆俍(k)鏄痥鏃跺埢鐨勬祴閲忓鹼紝H鏄祴閲忕郴緇熺殑鍙傛暟錛屽浜庡嫻嬮噺緋葷粺錛孒涓虹煩闃點俉(k)鍜孷(k)鍒嗗埆琛ㄧず榪囩▼鍜屾祴閲忕殑鍣0銆備粬浠鍋囪鎴愰珮鏂櫧鍣0(White Gaussian Noise)錛屼粬浠殑covariance 鍒嗗埆鏄疩錛孯錛堣繖閲屾垜浠亣璁句粬浠笉闅?/span>緋葷粺鐘舵佸彉鍖栬屽彉鍖栵級銆?br>
瀵逛簬婊¤凍涓婇潰鐨勬潯浠?綰挎ч殢鏈哄井鍒?/span>緋葷粺錛?span style="COLOR: #0000ff">榪囩▼鍜屾祴閲忛兘鏄珮鏂櫧鍣0)錛屽崱灝?dāng)鏇兼护鎳L鍣ㄦ槸鏈浼樼殑淇℃伅澶勭悊鍣ㄣ備笅闈㈡垜浠潵鐢ㄤ粬浠粨鍚堜粬浠殑covariances 鏉ヤ及綆?/span>緋葷粺鐨勬渶浼樺寲杈撳嚭錛堢被浼間笂涓鑺傞偅涓俯搴︾殑渚嬪瓙錛夈?br>
棣栧厛鎴戜滑瑕佸埄鐢ㄧ郴緇熺殑榪囩▼妯″瀷錛屾潵棰勬祴涓嬩竴鐘舵佺殑緋葷粺銆傚亣璁劇幇鍦ㄧ殑緋葷粺鐘舵佹槸k錛屾牴鎹郴緇熺殑妯″瀷錛屽彲浠ュ熀浜?/span>緋葷粺鐨勪笂涓鐘舵佽岄嫻嬪嚭鐜板湪鐘舵侊細(xì)
X(k|k-1)=A X(k-1|k-1)+B U(k) ……….. (1)
寮?1)涓紝X(k|k-1)鏄埄鐢ㄤ笂涓鐘舵侀嫻嬬殑緇撴灉錛孹(k-1|k-1)鏄笂涓鐘舵佹渶浼樼殑緇撴灉錛孶(k)涓虹幇鍦ㄧ姸鎬佺殑鎺у埗閲忥紝濡傛灉娌℃湁鎺у埗閲忥紝瀹冨彲浠ヤ負(fù)0銆?br>
鍒扮幇鍦ㄤ負(fù)姝紝鎴戜滑鐨?/span>緋葷粺緇撴灉宸茬粡鏇存柊浜嗭紝鍙槸錛屽搴斾簬X(k|k-1)鐨刢ovariance榪樻病鏇存柊銆傛垜浠敤P琛ㄧずcovariance錛?br>P(k|k-1)=A P(k-1|k-1) A’+Q ……… (2)
寮?2)涓紝P(k|k-1)鏄疿(k|k-1)瀵瑰簲鐨刢ovariance錛孭(k-1|k-1)鏄疿(k-1|k-1)瀵瑰簲鐨刢ovariance錛孉’琛ㄧずA鐨勮漿緗煩闃碉紝Q鏄?/span>緋葷粺榪囩▼鐨刢ovariance銆傚紡瀛?錛?灝辨槸鍗″皵鏇兼護娉㈠櫒5涓叕寮忓綋涓殑鍓嶄袱涓紝涔熷氨鏄緋葷粺鐨勯嫻嬨?br>
鐜板湪鎴戜滑鏈変簡鐜板湪鐘舵佺殑棰勬祴緇撴灉錛岀劧鍚庢垜浠啀鏀墮泦鐜板湪鐘舵佺殑嫻嬮噺鍊箋傜粨鍚堥嫻嬪煎拰嫻嬮噺鍊鹼紝鎴戜滑鍙互寰楀埌鐜板湪鐘舵?k)鐨勬渶浼樺寲浼扮畻鍊糥(k|k)錛?br>X(k|k)= X(k|k-1)+Kg(k) (Z(k)-H X(k|k-1)) ……… (3)
鍏朵腑Kg涓哄崱灝?dāng)鏇煎鐩?Kalman Gain)錛?br>Kg(k)= P(k|k-1) H’ / (H P(k|k-1) H’ + R) ……… (4)

鍒扮幇鍦ㄤ負(fù)姝紝鎴戜滑宸茬粡寰楀埌浜唊鐘舵佷笅鏈浼樼殑浼扮畻鍊糥(k|k)銆備絾鏄負(fù)浜嗚鍙﹀崱灝?dāng)鏇兼护鎳L鍣ㄤ笉鏂殑榪愯涓嬪幓鐩村埌
緋葷粺榪囩▼緇撴潫錛屾垜浠繕瑕佹洿鏂発鐘舵佷笅X(k|k)鐨刢ovariance錛?br>P(k|k)=錛圛-Kg(k) H錛塒(k|k-1) ……… (5)
鍏朵腑I 涓?鐨勭煩闃碉紝瀵逛簬鍗曟ā鍨嬪崟嫻嬮噺錛孖=1銆傚綋
緋葷粺榪涘叆k+1鐘舵佹椂錛孭(k|k)灝辨槸寮忓瓙(2)鐨凱(k-1|k-1)銆傝繖鏍鳳紝綆楁硶灝卞彲浠ヨ嚜鍥炲綊鐨勮繍綆椾笅鍘匯?br>
鍗″皵鏇兼護娉㈠櫒鐨勫師鐞嗗熀鏈弿榪頒簡錛屽紡瀛?錛?錛?錛?鍜?灝辨槸浠栫殑5 涓熀鏈叕寮忋傛牴鎹繖5涓叕寮忥紝鍙互寰堝鏄撶殑瀹炵幇璁$畻鏈虹殑紼嬪簭銆?br>
涓嬮潰錛屾垜浼?xì)鐢ńE嬪簭涓句竴涓疄闄呰繍琛岀殑渚嬪瓙銆傘傘?br>4錛?nbsp;   綆鍗曚緥瀛?br>錛圓 Simple Example錛?br>
榪欓噷鎴戜滑緇撳悎絎簩絎笁鑺傦紝涓句竴涓潪甯哥畝鍗曠殑渚嬪瓙鏉ヨ鏄庡崱灝?dāng)鏇兼护鎳L鍣ㄧ殑宸ヤ綔榪囩▼銆傛墍涓劇殑渚嬪瓙鏄繘涓姝ユ弿榪扮浜岃妭鐨勪緥瀛愶紝鑰屼笖榪樹細(xì)閰嶄互紼嬪簭妯℃嫙緇撴灉銆?br>
鏍規(guī)嵁絎簩鑺傜殑鎻忚堪錛屾妸鎴塊棿鐪嬫垚涓涓郴緇燂紝鐒跺悗瀵硅繖涓?/span>緋葷粺寤烘ā銆傚綋鐒訛紝鎴戜滑瑙佺殑妯″瀷涓嶉渶瑕侀潪甯稿湴綺劇‘銆傛垜浠墍鐭ラ亾鐨勮繖涓埧闂寸殑娓╁害鏄窡鍓嶄竴鏃跺埢鐨勬俯搴︾浉鍚岀殑錛屾墍浠=1銆傛病鏈夋帶鍒墮噺錛屾墍浠(k)=0銆傚洜姝ゅ緱鍑猴細(xì)
X(k|k-1)=X(k-1|k-1) ……….. (6)
寮忓瓙錛?錛夊彲浠ユ敼鎴愶細(xì)
P(k|k-1)=P(k-1|k-1) +Q ……… (7)

鍥犱負(fù)嫻嬮噺鐨勫兼槸娓╁害璁$殑錛岃窡娓╁害鐩存帴瀵瑰簲錛屾墍浠=1銆傚紡瀛?錛?錛?鍙互鏀規(guī)垚浠ヤ笅錛?br>X(k|k)= X(k|k-1)+Kg(k) (Z(k)-X(k|k-1)) ……… (8)
Kg(k)= P(k|k-1) / (P(k|k-1) + R) ……… (9)
P(k|k)=錛?-Kg(k)錛塒(k|k-1) ……… (10)

鐜板湪鎴戜滑妯℃嫙涓緇勬祴閲忓間綔涓鴻緭鍏ャ傚亣璁炬埧闂寸殑鐪熷疄娓╁害涓?5搴︼紝鎴戞ā鎷熶簡200涓祴閲忓鹼紝榪欎簺嫻嬮噺鍊肩殑騫沖潎鍊間負(fù)25搴︼紝浣嗘槸鍔犲叆浜嗘爣鍑嗗亸宸負(fù)鍑犲害鐨勯珮鏂櫧鍣0錛堝湪鍥句腑涓鴻摑綰匡級銆?br>
涓轟簡浠ゅ崱灝?dāng)鏇兼护鎳L鍣ㄥ紑濮嬪伐浣滐紝鎴戜滑闇瑕佸憡璇夊崱灝?dāng)鏇间袱涓浂鏃跺埲潥勫垵濮嬪鹼紝鏄疿(0|0)鍜孭(0|0)銆備粬浠殑鍊間笉鐢ㄥお鍦ㄦ剰錛岄殢渚跨粰涓涓氨鍙互浜嗭紝鍥犱負(fù)闅忕潃鍗″皵鏇肩殑宸ヤ綔錛孹浼?xì)閫愭笎鐨勬敹鏁涖備絾鏄浜嶱錛屼竴鑸笉瑕佸彇0錛屽洜涓鴻繖鏍峰彲鑳戒細(xì)浠ゅ崱灝?dāng)鏇煎畬鍏ㄧ涙俊浣犵粰瀹氱殑X(0|0)鏄?/span>緋葷粺鏈浼樼殑錛屼粠鑰屼嬌綆楁硶涓嶈兘鏀舵暃銆傛垜閫変簡X(0|0)=1搴︼紝P(0|0)=10銆?br>
璇?/span>緋葷粺鐨勭湡瀹炴俯搴︿負(fù)25搴︼紝鍥句腑鐢ㄩ粦綰胯〃紺恒傚浘涓孩綰挎槸鍗″皵鏇兼護娉㈠櫒杈撳嚭鐨勬渶浼樺寲緇撴灉錛堣緇撴灉鍦ㄧ畻娉曚腑璁劇疆浜哘=1e-6錛孯=1e-1錛夈?br>
浣滆?/strong>錛歫earome


Amigo 2008-04-01 14:24 鍙戣〃璇勮
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