銆�銆�瀵︽檪瑕栭牷鍦栧儚鐨勮唱(zh矛)閲忓垎鏋愬凡鎴愮偤鐪惧鎳夌敤闋�(l菒ng)鍩熸�ц兘濂藉鐨勯棞(gu膩n)閸靛洜绱犱箣涓�锛� 鍥犳瀵︽檪瑕栭牷鍦栧儚鐨勬竻鏅板害妾㈡脯璁婂緱灏ょ偤閲嶈銆傜洰鍓嶉嚌灏嶅鏅傝闋诲湒鍍忔竻鏅板害妾㈡脯鐨勭爺绌惰純灏戯紝 鍦栧儚娓呮櫚搴︽娓畻娉曠殑鐮旂┒灏嶈薄涓昏閲濆皪闈滄鐨勫湒鍍�銆�
銆�銆�鐝�(xi脿n)鏈夌殑鍦栧儚娓呮櫚搴︽娓畻娉曞ぇ鑷村垎鐐虹┖鍩熷拰闋诲煙鍏╅銆傚湪绌哄煙涓閲囩敤鍩轰簬姊害鐨勭畻娉曪紝 濡傛媺鏅媺鏂�(Laplace) 绠楁硶銆佸樊鍒嗗钩鏂瑰拰(SPSMD) 绠楁硶銆丼obel 绠楀瓙绛�銆傛椤炵畻娉曡▓绠楃啊娼斻�佸揩閫�銆佹姉鍣�ц兘濂�銆佸彲闈犳�ц純楂�銆傚湪闋诲煙涓閲囩敤鍦栧儚鐨凢FT 璁婃彌( 鎴栧叾浠栬畩鎻�)锛� 濡傚姛鐜囪瓬(Power-spectra) 绠楁硶绛�銆傛椤炵畻娉曠殑妾㈡脯鏁堟灉濂斤紝 浣嗚▓绠楀京闆滃害楂�銆佽▓绠楁檪闁撻暦锛� 涓嶉仼鍚堟噳鐢ㄥ湪鍩轰簬杌熶欢瀵︾従(xi脿n)鐨勫鏅傛娓郴绲�(t菕ng)涓�銆�
銆�銆�鐣跺墠灏嶅鏅傝闋诲湒鍍忕殑涓�绋噸瑕佹噳鐢ㄦ槸灏嶉亱鍕曠洰妯欑殑妾㈡脯锛� 甯哥敤鐨勭洰妯欐娓柟娉曟湁骞�宸硶銆佽儗鏅笡娉�銆佸厜娴佹硶鍙婇亱鍕曡兘閲忔硶锛� 鍏朵腑鏈�绨″柈鑰屽張蹇嵎鐨勬柟娉曟槸鑳屾櫙宸硶銆傚叾鍩烘湰鎬濇兂鏄�氶亷灏嶈几鍏ュ湒鍍忚垏鑳屾櫙鍦栧儚閫茶姣旇純渚嗗垎鍓查亱鍕曠洰妯�锛� 闂�(gu膩n)閸电挵(hu谩n)绡�(ji茅)鏄儗鏅湒鍍忕殑鎻愬彇銆傜洰鍓嶅父鐢ㄧ殑鑳屾櫙鎻愬彇鏂规硶鏈夊骞�鍦栧儚骞冲潎娉�銆佺伆搴︾当(t菕ng)瑷堟硶銆佷腑鍊兼烤娉㈡硶銆佸熀浜庡箑宸殑閬告搰鏂规硶銆佸柈楂樻柉寤烘ā绛�銆�
銆�銆�鐣惰闋绘挱鏀剧暙闈㈣秴閬�24 骞�/s 鏅傦紝鏍规摎(j霉)瑕栬鏆暀鍘熺悊锛屼汉鐪肩劇娉曡鲸鍒ユ瘡骞呭柈鐛ㄧ殑闈滄厠(t脿i)鐣潰锛� 鐪嬩笂鍘绘槸骞虫粦閫ｇ簩(x霉)鐨勮瑕烘晥鏋溿�傝闋讳腑鐨勪簨鐗╅�氬父鍒嗙偤闈滄鍜岄亱鍕曞叐椤�锛岄�ｇ簩(x霉)澶氬箑鐣潰涓繚鎸侀潨姝㈢殑鐗╅珨鍙鐐洪潨姝㈢殑鑳屾櫙锛� 閫ｇ簩(x霉)澶氬箑鐣潰涓綅缃畩鍖栫殑鐗╅珨鍙鐐洪亱鍕曠殑鍓嶆櫙銆傚洜姝�锛� 瀵︽檪瑕栭牷鍦栧儚涓殑姣忓箑鍦栧儚閮藉彲浠ュ妰鍒嗙偤闈滄鐨勮儗鏅拰閬嬪嫊鐨勫墠鏅叐椤炲崁(q奴)鍩�銆傜敱浜庤闋诲簭鍒楀湒鍍忎腑閬嬪嫊鐨勫墠鏅崁(q奴)鍩熼毃姗熻畩鍖栵紝寮曡捣鍦栧儚鍍忕礌榛炴搴﹀�肩殑闅ㄦ鏀硅畩锛屼娇寰楀鏅傝闋诲湒鍍忕殑娓呮櫚搴︽娓純闆ｅ鐝�(xi脿n)銆傚洜姝わ紝 鏈枃鐨勭畻娉曟槸鍒╃敤瀵︽檪瑕栭牷鍦栧儚涓潨姝㈢殑鑳屾櫙鍗�(q奴)鍩熸娓闋诲簭鍒楀湒鍍忕殑娓呮櫚搴�锛� 鍗崇敱鑳屾櫙鎻愬彇鍜屾竻鏅板害妾㈡脯鍏╅儴鍒嗙祫鎴�銆�
銆�銆�瀵︽檪瑕栭牷鍦栧儚鐨勮儗鏅彁鍙�
銆�銆�瑕栭牷搴忓垪涓箑鍦栧儚鐨勯潨姝㈣儗鏅崁(q奴)鍩熺敱鐏板害鍊艰畩鍖栬純灏忕殑鍍忕礌榛炴(g貌u)鎴愶紝 姣忓�嬪儚绱犻粸閮芥湁涓�鍊嬪皪鎳夌殑鍍忕礌鍊�锛岄�欏�嬪�煎湪涓�娈垫檪闁撳収(n猫i)淇濇寔涓嶈畩锛涢亱鍕曠殑鍓嶆櫙鍗�(q奴)鍩熺敱鐏板害鍊艰畩鍖栬純澶х殑鍍忕礌榛炴(g貌u)鎴�锛屽悇鍍忕礌榛炲湪涓嶅悓鐨勫箑鍦栧儚涓殑浣嶇疆鏀硅畩锛屽舰鎴愰亱鍕曡粚璺�銆傝儗鏅彁鍙栫殑鐩灏辨槸鏍规摎(j霉)瀵︽檪瑕栭牷鍦栧儚涓儚绱犲�肩殑涓婅堪鐗归粸锛� 鎵惧嚭鍦栧儚涓儗鏅儚绱犻粸鐨勫��銆傞噰鐢ㄥ骞�鍦栧儚绱姞骞冲潎鐨勬柟娉曚締鐛插彇鍦栧儚鐨勮儗鏅�锛屽緸绲�(t菕ng)瑷堝瑙掑害锛岄亱鍕曠墿楂斿彲瑕栫偤闅ㄦ鍣伈锛岃�屽潎鍊煎彲浠ラ檷鍣�锛岄噰鐢ㄥ骞�鍦栧儚绱姞鍙栧潎鍊煎彲娑堥櫎閬嬪嫊鐗╅珨锛� 鐛插緱闈滄鐨勮儗鏅湒鐗�銆�
銆�銆�澶ч儴鍒嗙殑鏀濆儚绯荤当(t菕ng)閮芥槸鍩轰簬RGB 椤忚壊绌洪枔锛屾瘡鍊嬪儚绱犻粸鍦≧GB 绌洪枔涓槸涓�鍊嬩笁缍煝閲�銆傜偤浜嗘笡灏戣▓绠楅噺锛� 浣跨敤鐏板害鍦栧儚搴忓垪锛� 鍗冲皣褰╄壊瑕栭牷搴忓垪杞�(zhu菐n)鎻涙垚鐏板害瑕栭牷搴忓垪锛屽熀浜庣伆搴﹁闋诲湒鍍忓畬鎴愭彁鍙栬儗鏅強瀵︽檪瑕栭牷鍦栧儚鐨勬竻鏅板害妾㈡脯銆�
銆�銆�瀵﹂绋嬪簭鍦≒C 姗熶笂閬嬭锛岀法绋嬭粺浠舵槸MatlabR2007b锛� 閲囩敤鐨勬槸24 浣峈GB 瑕栭牷搴忓垪锛�30 骞�/s锛屾瘡骞�鍦栫墖鐨勫垎杈ㄧ巼鏄�320脳240 銆傚緸瀵︽檪瑕栭牷鍦栧儚涓彁鍙栬儗鏅湒鍍忓悗锛屽垎鍒ラ噰鐢⊿obel 绠楀瓙銆佸钩鏂规搴︽硶鍜屽揩閫熸娓硶涓夌ó绠楁硶灏嶅湒鍍忕殑娓呮櫚搴﹂�茶妾㈡脯銆�
缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�锛屼竴鏌ョ櫨閫�锛�
宸叉敹閷勮姊�168566鍊�
