基于广义相关系数的后非线性盲信号分离算法.pdf

绗?7 鍗 绗? 鏈 鎺 鍒 涓 鍐 绛 2012 骞 9 鏈 Vol. 27 No. 9 Control and Decision Sep. 2012 鏂囩珷缂栧彿: 1001-0920 (2012) 09-0000-00 鍩轰簬骞夸箟鐩稿叧绯绘暟鐨勫悗闈炵嚎鎬х洸淇″彿鍒嗙绠楁硶 a b a a 寮犺搐褰 , 榛勯珮鏄 , 鍒樺痉蹇 , 闄 娑 (娴峰啗宸ョ▼澶уa. 鑸拌埞缁煎悎鐢靛姏鎶€鏈浗闃茬鎶€閲嶇偣瀹為獙瀹わ紱b. 鐢靛瓙宸ョ▼瀛﹂櫌锛屾姹?30033) 鎽 瑕? 鍩轰簬浜掍俊鎭渶灏忓寲鐨勭嫭绔嬫€ф祴搴﹀鍚勫垎绂讳俊鍙烽棿鐨勯潪绾挎€х浉鍏冲害搴﹂噺娌℃湁褰掍竴鍖栫殑闂, 鎻愬嚭涓€绉嶅熀浜庡箍 涔夌浉鍏崇郴鏁扮殑鐩蹭俊鍙峰垎绂?BSS) 绠楁硶. 棣栧厛閫夊彇鍚庨潪绾挎€ф贩鍙犳ā鍨?PNL) 鍒嗘瀽鍩轰簬骞夸箟鐩稿叧绯绘暟鐨勭嫭绔嬫€ф祴搴? 鐒 鍚庨噰鐢℅ram-Charlier 鎵╁睍褰㈠紡浼拌杈撳嚭鍙傛暟骞惰幏鍙栬瘎浠峰嚑鐜囧嚱鏁? 缁撳悎鏈€闄′笅闄嶆硶姹傚緱鍒嗙鐭╅樀鍜屽弬鏁板寲鍙€嗛潪 绾挎€ф槧灏勭殑绠楁硶杩唬鍏紡. 浠跨湡缁撴灉琛ㄦ槑, 閲囩敤鎵€鎻愬嚭鐨勭畻娉曡兘澶熷畾閲忓垎鏋愬悇鍒嗙淇″彿闂寸殑闈炵嚎鎬х浉鍏崇▼搴? 鏈夋晥鍒 绂诲悗闈炵嚎鎬ф贩鍙犱俊鍙? 鍏抽敭璇岤 鍚庨潪绾挎€ф贩鍙狅紱鐩蹭俊鍙峰垎绂伙紱骞夸箟鐩稿叧绯绘暟锛涗簰淇℃伅 涓浘鍒嗙被鍙耳 TM46 鏂囩尞鏍囪瘑鐮? A Blind source separation algorithm for post-nonlinear mixture based on generalized correlation coef铿乧ient a b a a ZHANG Xian-biao , HUANG Gao-ming , LIU De-zhi , TAO Tao (a. National Key Laboratory for Vessel Integrated Power System Technology锛沚. College of Electronic Engineering 锛孨aval University of Engineering 锛學uhan 430033 锛孋hina 锛嶤orrespondent 锛歓HANG Xian-biao 锛孍-mail 锛歾xb1986@126.com) Abstract 锛氾細锛欰ccording to the problem that the independence criterion based on the minimization of mutual information is not normalized, a blind source separation(BSS) algorithm for post-nonlinear mixture(PNL) based on general correlation coef铿乧ient is introduced in this paper. Firstly, the PNL is taken as an indraft point to summarize this algorithm 锛寃hich is the more practicable approximation to realism rather than linear model 锛宮eanwhile the independence criterion based on the genera