¶¨ÏòÊ°Òô¿´·¨¡¢ÊµÏÖÔ­ÀíºÍÓ¦ÓÃ

  1.»ù±¾¿´·¨
       ÁµÈ˵ÄÆøÏ¢ÊÇ´Ó²»Ê§Ö°µÄÎÂÈá·±ê£¬ÎÒÃÇ×ÜÄܹ»ÔÚһȺÈËÖÐÒ»ÑÛ¿´µ½×Ô¼ºµÄÁµÈË£»Í¬Ñù£¬ÁµÈ˵ÄÉùÒôÒ²×ÜÊÇÄÇôÆæÌØ£¬ÔÚ¶¦·ÐµÄÈËÉùÖÐÄÇôÇåÎú¡£Ìýµ½TAµÄÉùÒôºó£¬ÆäËûÒ»ÇÐÉùÒô¶¼ÒѾ­±»ÆÁ±ÎÁË£¬Ò»ÉùÈë¶ú£¬ÔÙÎÞÆäËû¡£
  Õâ¾ÍÊÇÈËËùνµÄ¶¨ÏòÊ°ÒôµÄÄÜÁ¦£¬ËäÈ»Õâ¸ö±È·½²»ÄÇôǡµ±¡£Êµ¼ÊÉÏÕâÊǾ­³£Ìý˵µÄ¡°¼¦Î²¾Æ»áЧӦ¡±£¬Ö¸µÄÊÇÈËÄܹ»ÔÚÅÓ´óµÄÉýѧÇé¿öÖн«×¢ÒâÁ¦¼¯Öе½Ä³¸öÈËÉíÉÏ£¬²¢ÇÒºöÂÔµôÅä¾°ÔëÉùºÍÆäËûÈ˵ÄÉùÒô¡£ÕâÊÇÈ˵ÄÌý¾õÑ¡ÔñÄÜÁ¦£¬Éæ¼°µ½Ë«¶ú½á¹¹ÒÔ¼°ÅÓ´óµÄ´óÄÔ´¦Àí»úÖÆ¡£
  2.ʵÏÖÔ­ÀíºÍ·½·¨
  Ä¿Ç°£¬ÀûÓÃÂó¿Ë·çÄ£ÄâÕâÖÖ¶¨ÏòÊ°ÒôÄÜÁ¦£¬ÒѾ­ÓÐÁËÒ»¶¨µÄ½á¹û¡£´ÓʵÏÖ·½·¨ÉÏÀ´¿´£¬¿ÉÒÔ·ÖΪµ¥Í¨µÀÂó¿Ë·çºÍ¶àͨµÀÂó¿Ë·ç£¨Âó¿Ë·çÕóÁУ©Á½ÖÖ·½·¨¡£
  2.1 µ¥Í¨µÀÂó¿Ë·ç
  ÀûÓõ¥Í¨µÀÂó¿Ë·çʵÏÖ¶¨ÏòÊ°Òô£¬Ö¸µÄÊǽÓÄɵ¥Ö¸ÏòÐÔÂó¿Ë·çÊ°È¡¼òµ¥Æ«ÏòÉùÒô¡£Âó¿Ë·çµÄÖ¸ÏòÐÔÖ¸µÄÊÇÂó¿Ë·ç´ÓÖ¸¶¨Æ«ÏòÊ°È¡ÉùÒô£¬°üÀ¨ÐÄÐÍ¡¢³¬ÐÄÐÍ¡¢È«ÏòÐǺÍ8×ÖÐ͵ÈÊ°Òôģʽ¡£
  2.1.1 ÐÄÐÍģʽ
    Ê°Òôģʽһ¸öÐÄÐ͵Äͼ°¸£¬Í¨³£±»ÓÃÔÚÊÂÇéÊÒ¼ÖÆÈËÉùÖÐ£¬ÊǸèÊÖ½Ïϲ»¶µÄÂó¿Ë·ç¡£ÊÊÓÃÓÚ²»ÏëÊ°È¡¹ÛÖÚµÄÉùÒô»òÕß´Ó¼à¿ØÆ÷Öд«³öµÄÉùÒô¡£ÔÚÊÂÇéÊÒÖÐ£¬Ê¹ÓÃÐÄÐÍÂó¿Ë·ç¿ÉÒÔÓÐЧµÄ½µµÍΧÈÆÉùºÍÂó¿Ë·ç·´Éä»ØÀ´µÄÉùÒô¡£Ê°ÒôģʽÈçͼ1Ëùʾ¡£ÀíÂÛÉÏ˵£¬ÕâÖÖÐÄÐÍģʽµÄÊ°ÒôÇ°ºó±È¿ÉµÖ´ï20dBÒÔÉÏ£¬Êµ¼Ê²âÊÔ½á¹ûÏÔʾ£¬³£¼ûµÄÐÅÐÄģʽÂó¿Ë·çÄִܵï10dBÒѾ­ÊǺܺõÄÌåÏÖÁË¡£

ͼ1 ÐÄÐÍÊ°Òôģʽ

  ÕâÖÖÖ¸ÏòÐÔµÄÂó¿Ë·çµÄÊ°ÒôģʽÈçͼ2Ëùʾ£¬ÔÚÎę̀ÉÏËüÃÇÄܹ»¸üºÃµÄÊÕ¼Ö÷³ªµÄÉùÒô£¬²¢ÇÒ×èµ²ÖÜΧÀÖ¶ÓµÄÉùÒô£¬ÆäȱµãÊÇÒ²»áÊÕ¼һЩÂó¿Ë·çºóÃæµÄÉùÒô¡£Õâ¾ÍÒâζ²»Ó¦¸Ã½«ÄãµÄ¼àÌýÒôÏä·ÅÔÚÃæÇ°£¨Ò»°ãÇé¿öÏÂ120»òÕß240¶ÈµÄλÖýϺã©¡£³¬ÐÄÐÍ»°Í²µÄÖ¸ÏòÐÔ±ÈÐÄÐ͸üÕ­£¬ÌرðÊʺϽü¾àÀëÊ°Òô¡£

ͼ2 ³¬ÐÄÐÍģʽ

  2.1.3 È«ÏòÐÍģʽ
  Õâ¾ÍÊdz£¼ûµÄÎÞÖ¸ÏòÐÔÂó¿Ë·ç£¬¶ÔËùÓнǶȶ¼ÓÐÏàͬµÄÁéÃô¶È£¬ÕâÒâζ×ÅËü¿ÉÒÔ´ÓËùÓÐÆ«Ïò¾ùºâµØÊ°È¡ÉùÒô¡£ÕâÖÖÂó¿Ë·çÍêȫûÓÐÖ¸ÏòÐÔ£¬²»¿ÉÓÃÓÚ¶¨ÏòÊ°ÒôµÄ³¡ºÏ¡£

ͼ3 È«ÏòÐÍģʽ

  2.1.4 8×ÖÐÍģʽ
  ¹ËÃû˼Òå£¬8×ÖÐÍÂó¿Ë·çµÄÊ°ÒôÐÎ×´ÀàËÆÊý×Ö8£¬Ò²½ÐË«ÐÄÐÍÂó¿Ë·ç»òÒ²±»½Ð×öÊÇË«Ö¸ÏòÐÎ£¬ËüÃÇͨ³£±»ÓÃÔÚÊÂÇéÊÒ¶ø²»ÊÇÏÖ³¡£¬²¢ÇҴ󲿷ִËÀàÂó¿Ë·ç¶¼ÊÇÂÁ´øʽÂó¿Ë·ç¡£ËüÃǹýÈ¥·½ºÍºó·¢Ê°È¡ÉùÒô£¬¶ø²»ÊÇ´ÓÁ½²à¡£ÕâÖÖÊÇÔÚÕýÃæºÍ±³Ãæ½ÏÁéÃô×óÓҲⲻ·óÁéÃô£¬ÒòΪÕâÖÖÖ¸ÏòÀàÐ͵Ļ°Í²¶ÔÀ´×Ô»°Í²ÕýÇ°·½ºÍÕýºó·½µÄÒôƵÐźžßÓÐͬÑù¸ßµÄÁéÃô¶È£¬¿ÉÊǶÔÀ´×Ô»°Í²²àÃæµÄÐźŲ»Ì«Ãô¸Ð¡£

ͼ4 8×ÖÐÍÊ°Òôģʽ

  ½ÓÄɵ¥Í¨µÀÂó¿Ë·çʵÏÖ¶¨ÏòÊ°Òô£¬¿ÉÒÔʵÏÖÒ»¶¨Ë®Æ½ÉϵĶ¨ÏòЧ¹û£¬µ«¶ÔÆäËûÆ«ÏòÉϵÄ×ÌÈÅÒÖÖÆÄÜÁ¦ÊÇÔ¶Ô¶²»·óµÄ¡£ÎÒÃÇÖ»ÏëÌýµ½TAµÄÉùÒô£¬µ«ÕâÖÖµ¥Ö¸ÏòÐÔµÄÂó¿Ë·ç×ö²»µ½ÕâÒ»µã£¬µÚÈýÕß¡¢µÚËÄÕßÄËÖÁ¸ü¶àµÄÉùÒô¶¼»á²»¿ÉÖÆÖ¹µØй©½øÀ´¡£Òò´Ë£¬ÐèÒª½ÓÄɸüºÃµÄÉè¼Æ¼Æ»®£¬¼´¶àͨµÀÂó¿Ë·ç£¨Âó¿Ë·çÕóÁУ©¼Æ»®£¬ÊµÏÖ¸üºÃµÄ¶¨ÏòÊ°ÒôЧ¹û¡£

  2.2 Âó¿Ë·çÕóÁмƻ®
  Âó¿Ë·çÕóÁÐÊÇÓÉƾ¾ÝÌض¨µÄÍØÆ˽ṹÂþÑÜÔÚ¿Õ¼äµÄ¶à¸öÂó¿Ë·ç×éºÏ¶ø³É¡£Óëµ¥¸öÂó¿Ë·çÏàͬ£¬Âó¿Ë·çÕóÁÐΪһ¸öÕûÌå£¬ÈÔÈ»¿ÉÒÔ¿´×÷Ò»¸öÅÓ´óµÄ´«¸ÐÆ÷£¬×÷ΪÉùÒôÓëÊ°ÒôϵͳµÄ½Ó¿ÚÄ
£¿é£»µ«²î±ðµÄÊÇ£¬Âó¿Ë·çÕóÁв»µ«¿ÉÒÔ»ñµÃÉùÒôÐźŵÄʱÓòÐÅÏ¢»¹¿ÉÒÔ»ñµÃ¿ÕÓòÐÅÏ¢¡£Âó¿Ë·çÕóÁÐÐźŴ¦ÀíµÄÖ÷ҪĿ±êÊǾ¡¿ÉÄܵØÀûÓÿÕʱÐÅÏ¢À´Ìá¸ß½ÓÊÕ¶ËÐźŵÄÖÊÁ¿¡£
  ÔÚʹÓÃÂó¿Ë·çÕóÁжÔÓïÒôÐźŽøÐд¦ÀíµÄÉú³¤Àú³ÌÖÐ£¬±¬·¢ÁËÐí¶àÕóÁнṹ£¬°üÀ¨½á¹¹Ïà¶Ô¼òµ¥µÄÖ±ÏßÕóÁС¢Æ½ÃæÕóÁÐÒÔ¼°ÅÓ´óµÄÈýάÇòÕóÁС£Í¼5¸ø³öÁËN¸öÂó¿Ë·çµÈ¼ä¾àÖ±ÏßÕóÁеÄÄ£ÐÍ£¬¦ÈΪÉùÔ´µÄ·½Î»½Ç¡£

ͼ5 Ö±ÏßÕóÁÐÄ£ÐÍ

  ÔÚ¶¨ÏòÊ°ÒôÖÐ£¬Ö±ÏßÕóÁÐÊǽϳ£¼ûµÄ½á¹¹¡£¶ÔÓ¦Á½ÖÖÊ°Òôģʽ£º¶ËÉäºÍ¿í±ßģʽ¡£¼òµ¥µØ˵£¬¶ËÉäģʽµÄÊ°È¡Æ«ÏòÊÇÕóÁÐÖáÏßÆ«Ïò£¬¶ø¿í±ßģʽʰȡµÄ·½·¨ÊÇÓëÕóÁÐÖáÏß±ÊÖ±µÄÆ«Ïò¡£
  2.2.1 ¶ËÉäģʽ
  ½Ï³£¼ûµÄ¶ËÉäģʽʵÏÖ·½·¨ÎªÎ¢·ÖÂó¿Ë·çÕóÁÐ£¬ÓÐʱºòÒ²³ÆΪ²î·ÖÂó¿Ë·çÕóÁС£²î·ÖÕóÁÐÌåÏÖµÄÊÇ¿Õ¼äÉùѹµÄ²î±ðÐÔ£¬ÉùѹµÄÒ»½×²î·Ö¿ÉÒÔÓÉÁ½¸öÏà½ü°²ÅŵÄÈ«ÏòÂó¿Ë·çÊä³öÏà¼õ»ñµÃ£¬Í¬Àí£¬N¸öÂó¿Ë·ç¿ÉÒÔ»ñµÃÉùѹµÄN-1½×²î·Ö¡£
  ÏÂÃæÒÔͼ6ËùʾµÄÁ½Âó¿Ë·ç×é³ÉµÄ²î·ÖÕóÁÐΪÀý£¬½éÉܲî·ÖÕóÁеĶ¨ÏòÊ°ÒôģʽµÄÉè¼Æ˼·¡£Á½Âó¿Ë·ç×é³ÉµÄ²î·ÖÕóÁÐ£¬¶ÔÓ¦µÄÊǽ״ÎΪ1£¬ÓÐÁ½¸öÉè¼ÆÔ¼ÊøÌõ¼þ£º
  1.ÔÚÄ¿±êÆ«ÏòÎÞʧÕ棨¦È=0¡ãʱ£¬Ê°ÒôÔöÒæΪ1£©£»
  2.ÔÚ0¡ã£¼¦È¡Ü180¡ãµÄ¹æÄ£ÄÚ±£´æÒ»¸öÁãÏÝ¡£

ͼ6 Ò»½×²î·ÖÕóÁÐ

  ÁîÌåÏÖÂó¿Ë·çÕóÁеĵ¼ÏòʸÁ¿£¬ÒÔͼ6ËùʾµÄÕóÁÐΪÀý£¬µ¼ÏòʸÁ¿Îª

      

  ÆäÖÐ£¬¦ØÌåÏÖ½ÇƵÂÊ£¨rad/s£©£¬¦ÄÌåÏÖÂó¿Ë·çÖ®¼äµÄ¼ä¾à£¨m£©£¬cÌåÏÖÉùËÙ£¨Ò»°ãΪ343m/s£©£¬¦Ó0£¨s£©ÌåÏÖÉùÒôÔÚÁ½¸öÂó¿Ë·çÖ®¼äµÄÁ÷´«Ê±¼ä²î¡£

  Éè¼ÆÄ¿±ê¾ÍÊÇΪÁ½¸öÂó¿Ë·çÑ¡ÔñºÏÊʵÄȨÖØ£¬Âú×ãÉÏÃæµÄÁ½¸öÔ¼ÊøÌõ¼þ£¬¼´

      

  ¦È1ÌåÏÖÁãÏÝËùÔڵĽǶÈ£¬¾ö¶¨ÁËÊ°Òôģʽ¡£¦È1=90¡ãʱ£¬¶ÔÓ¦8×ÖÐÍģʽ£»¦È1=180¡ãʱ£¬¶ÔÓ¦ÐÄÐÍģʽ£»¦È1ÔÚ£¨90¡ã,180¡ã£©¹æģʱ£¬¶ÔÓ¦³¬ÐÄÐÍģʽ¡£

  ÒÔÐÄÐÍģʽΪÀý£¬¿ÉÇó½â»ñµÃȨÖØh(¦Ø)£º

       

  ¶ÔÈ¡Ì©ÀÕ½üËÆ£¬¿É½«ÉÏʽ½üËƸÄдΪ

      

  ÊÓ²ìÉÏÊö¹«Ê½¿ÉÒÔ¿´³ö£¬Êµ¼ÊÉÏÊǽ«Âó¿Ë·ç2µÄÐźÅÖͺó²¢ÓëÂó¿Ë·ç1µÄÐźÅÏà¼õÖ®ºó£¬ÔÙ½øÐÐÒ»¸öµÍͨÂ˲¨µÄ½á¹û¡£ÏÔÈ»£¬²î·ÖÂó¿Ë·çÕóÁÐÌåÏÖµÄÊÇÒ»ÖÖ¡°ÑÓ³ÙÏà¼õ¡±µÄ˼·£¬½«²»Ï£ÍûÊ°È¡µÄÐźÅͨ¹ýÏà¼õµÄ·½·¨µÖÏûµô¡£
  ÕâÖÖ·½·¨Äܹ»ºÜºÃµÄÒÖÖÆÁãÏݽǶÈÉϵÄÉùÒô£¬µ«±£´æ°×ÔëÉùÔöÒæ¹ýСµÈ·½ÃæµÄÎÊÌâ¡£
  2.2.2 ¿í±ßģʽ
  Óë¶ËÉäģʽ²î±ð£¬¿í±ßģʽ½ÓÄÉÊÇ¡°ÑÓ³ÙÏà¼Ó¡±µÄ˼·£¬Í¨¹ýÑÓ³Ù¶ÔÆ뽫ʰÒôÆ«ÏòÉϵÄÉùÒôÏà¼ÓÔöÇ¿£¬ÒÖÖÆÆäËûÆ«ÏòÉϵÄÉùÒô¡£²¨ÊøÐγÉÊÇÒ»ÖÖ³£¼ûµÄʵÏÖ˼·£¬¾ßÌå°üÀ¨ÑÓ³ÙÇóºÍ·¨£¨Delay and Sum Beamforming,DSB£©¡¢¹ãÒåÅÔ°êµÖÏû·¨£¨Generalized Side-lobe Canceler£¬GSC£©µÈ¡£DSBËã·¨ÐèÒª½Ï¶àµÄÂó¿Ë·ç²Å»ª¹»ÓбȽÏÃ÷ÏÔµÄЧ¹û£¬ÔÚÂó¿Ë·çÊýÁ¿½ÏÉÙµÄÇé¿ö£¬Í¨³£Ê¹ÓÃGSCÒªÁì¡£ÏÂÃæÈÔÈ»ÒÔͼ6ËùʾµÄÁ½Âó¿Ë·ç×é³ÉµÄÕóÁÐΪÀý£¬ÌÖÂÛGSCÒªÁì¡£

  GSCÒªÁìÓÉÁ½Ìõ֧·×é³É£¬Èçͼ7Ëùʾ£¬ÉÏÃæµÄ֧·Àι̲¨ÊøÐγÉÆ÷£¨Fixed Beamformer£¬FBF£©Ö§Â·£¬Ò»°ãÓÉDSBË㷨ʵÏÖ£¬ÓÃÒÔÔöÇ¿Ä¿±êÆ«ÏòÐźÅ£¬ÒÖÖÆÆäËûÆ«ÏòµÄ×ÌÈÅ£»ÏÂÃæÒ»Ìõ֧·ÓÉ×èÈû¾ØÕó£¨Blocking Matrix£¬BM£©ºÍ×ÔÊÊÓ¦×ÌÈŵÖÏûÆ÷£¨Adaptive Interference Canceler£¬AIC£©Á½²¿·Ö×é³É£¬×èÈû¾ØÕóÓÃÒÔ»ñµÃÄ¿±êÐźÅÁãÏÝλÖõIJο¼ÔëÒôÐźÅ£¬¸ÃÐźÅÓëDSBÊä³öÖеÄÔëÒôÐźÅÏà¹Ø£¬×ÔÊÊÓ¦×ÌÈŵÖÏûÆ÷ÀûÓøòο¼ÔëÒôÐźÅÔ¤¼ÆDSBÊä³öÖеÄÔëÒôÐźÅ£¬²¢´ÓDSBÊä³öÐźÅÖмõÈ¥¸ÃÔ¤¼ÆÐźÅ£¬»ñµÃ²¨ÊøÐγÉÊä³öÐźÅ¡£

ͼ7 GSCËã·¨½á¹¹

  ÔÚ¶þÔªÂó¿Ë·çСÕóÁÐÖÐ£¬ÓÉÓÚÁ½¸öÕóÔª¼ä¾à½ÏС£¬ËüÃǵÄÂö³åÏìÓ¦º¯Êý¿ÉÒÔ½üËƵÄÈÏΪÊÇÏàµÈµÄ»òÕßÆä²î±ð¿ÉÒÔºöÂÔ²»¼Æ¡£ÓÉͼ6¿ÉÖª£¬µÚ¶þ¸öÂó¿Ë·çÏà¹ØÓÚµÚÒ»¸öÂó¿Ë·çµÄÄ¿±êÐźÅÏàλ²îΪ£¬DSBÒªÁì¾ÍÊǶÔÁ½Â·Âó¿Ë·çÐźŽøÐÐʱ¼äÉϵĶÔÆ루¼´ÆµÓòµÄÏàλÅâ³¥£©£¬¶ÔÓ¦DSBÊä³öΪ£º

      

  ÆäÖÐ£¬Y1ºÍY2»®·ÖÌåÏÖÁ½Â·ÐźÅƵÓòת»»ºóµÄ½á¹û¡£

  ×èÈû¾ØÕóBMƾ¾ÝÈçÏ·½·¨½ç˵£º

      

  Óɴ˿ɼû£¬ÀíÂÛÉÏ˵£¬FBF֧·µÄÊä³öÊÇÖ¸¶¨Æ«ÏòÉϵÄÐźÅ£»¶øBM֧·Êä³öµÄÊǵÖÏûÁËÖ¸¶¨Æ«ÏòÐźÅÖ®ºóµÄ´¿ÔëÉùÐźÅ¡£´ÓÖ¸¶¨Æ«ÏòÉϵÄÐźżõÈ¥ÔëÉùÐźÅ£¬¾ÍÊÇÔöÇ¿Á˵ÄÖ¸¶¨Æ«ÏòÉϵÄÐźÅ£¬´Ó¶øʵÏÖ¶¨ÏòÊ°Òô¡£
  GSCÒªÁ춨ÏòÊ°ÒôÄÜÁ¦È¡¾öÓÚÂó¿Ë·çÊýÁ¿£¬¹ØÓÚ¶þÔªÂó¿Ë·çÕóÁÐ£¬´¿´âÒÀÀµGSCÒªÁìÎÞ·¨»ñÈ¡Á¼ºÃµÄ¶¨ÏòÊ°ÒôЧ¹û¡£ÎÒÃÇÉè¼ÆÁËеÄÒªÁì£¬½áºÏÁËGSCÒªÁìºÍºóÂ˲¨ÒªÁì£¬¿ÉÒÔʵÏÖÁ¼ºÃµÄ¶¨ÏòÊ°ÒôЧ¹û£¬ÊµÏÖÀàËÆÓÚ8×ÖÐ͵ÄÊ°Òôģʽ£¬µ«Ê°Òô½Ç¶È¸üÕ­£¬ÒôÖʱȲî·ÖÕóÁиüºÃ¡£
  £¨1£©ÅÌËãÊ°Òô½Ç¶È¹æÄ£ÄÚµÄÓïÒô±£´æÏÈÑé¸ÅÂÊ
  ¶ÔÁ½Â·ÐźŽøÐÐÀëÉ¢¸µÀïÒ¶±ä»»£¨DFT£©£¬»ñµÃƵÓòºóµÄÐźÅΪY1(k)ºÍY2(k),k=1,2,...,L£¬ÆäÖÐ£¬kÌåÏÖƵµãÐòºÅ£¬LÌåÏÖDFT³¤¶È¡£

  ÅÌËãÓïÒô±£´æÏÈÑé¸ÅÂÊ£º

      

  ÆäÖÐ£¬ÌåÏÖƵµãkËù¶ÔÓ¦µÄÏàλ²î£¬¼´

      

  ·ûºÅÌåÏÖÈ¡Ïàλ¡£ÐèҪעÒâµÄ£¬Ïàλ²îÐèÒª½â¾íÈƵ½(-¦Ð,¦Ð]µÄÇø¼äÖС£ÌåÏÖÏàλ²îãÐÖµ£¬fsÌåÏÖ²ÉÑùƵÂÊ£¨Hz£©¡£

  ¿¼Âǵ½ÏàÁÚƵµãÖ®¼ä±£´æ¸ß¶ÈµÄÏà¹ØÐÔ£¬Òò´Ë£¬¿ÉÒÔ¶ÔÏàÁÚƵµãµÄÓïÒô±£´æ¸ÅÂʽøÐÐƽ»¬£¬Ìá¸ßƵÂÊÅÌËã½á¹ûµÄ׼ȷÐÔºÍÏàÁÚÖ¡Ö®¼ä½á¹ûµÄÁ¬ÐøÐÔ¡£Æ½»¬ºóµÄ¸÷ƵµãÓïÒô±£´æÏÈÑé¸ÅÂÊÈçÏÂËùʾ£º

      

  ÆäÖÐ£¬w(i)£¬i=0,1,...,I-1ÌåÏÖGammatoneÂ˲¨Æ÷ϵÊý£¬IΪGammatoneͨµÀµÄÊýÁ¿£¬µä·¶ÖµÎªI=20»ò40µÈ£¬Æ¾¾Ý¾ßÌåÐèÇó¶ø¶¨¡£Æ¾¾ÝÏÂʽ½øÐÐÅÌË㣺

      

  ÆäÖÐ£¬ÌåÏÖÁ½Â·Í¨µÀµÄÐźžùÖµ¡£Hi(k),i=0,1,...,I-1ÌåÏÖGammatoneÂ˲¨Æ÷ÇúÏߵIJÉÑùÖµ¡£
  £¨2£©ÅÌËãÔëÉù¹¦ÂÊÆ×
  ÒÔ×÷Ϊµ¥Í¨µÀÓïÒôÐźÅ£¬Æ¾¾Ý³£¼ûµÄÔëÉùÆ×Ô¤¼ÆÒªÁì£¬Èç×îСֵ׷×ÙÒªÁìµÈ£¬ÅÌËã¶ÔÓ¦µÄÔëÉù¹¦ÂÊÆ×£¬ÓæË(k)ÌåÏÖ¡£
  £¨3£©ÅÌËãÊ°Òô½Ç¶È¹æÄ£ÄÚÓïÒô±£´æ¸ÅÂÊ

  ÅÌËãºóÑéÐÅÔë±È£º

      

  ÇóÓïÒô±£´æµÄÏÈÑé¸ÅÂʵľùÖµ£¬ÒÔ´Ë×÷ΪÅжϵ¥Ö¡ÐźÅÊÇ·ñ±£´æÓïÒôµÄÒ»¸ö±êʶ£º

      

  ÆäÖÐ£¬kmaxºÍkmin»®·ÖÌåÏÖ×î´óƵµãºÍ×îСƵµã¶ÔÓ¦µÄÐòºÅ¡
£¿¼Âǵ½ÓïÒôÐźÅÔÚµÍƵ¹æÄ£ÄÚÆ«ÏòÐÔ²»·óÃ÷ÏÔ£¬kminµÄÈ¡ÖµÓ¦¸Ã°ü¹Ü¶ÔÓ¦µÄƵÂÊÔÚ1kHz×óÓÒ£»kmaxµÄÈ¡ÖµÓëÁ½¸öÂó¿Ë·çµÄ¼ä¾àdÓйØ£¬Í¨³£ÐèÒª°ü¹Ü¶ÔÓ¦µÄƵÂÊ×î¸ß²»Áè¼Ý4kHz¡£

  ÇóÓïÒô²»±£´æºóÑé¸ÅÂÊq(k)£º

      

  ÆäÖÐ£¬ÌåÏÖÏÈÑé¸ÅÂʾùÖµµÄãÐÖµ£¬ÓëÊ°Òô¹æÄ£½Ç¶ÈµÄ¾ÞϸÓйØϵ£¬µ±È·¶¨ÁËÊ°Òô¹æÄ£½Ç¶ÈÖ®ºó£¬·½¿ÉÈ·¶¨Õâ¸öãÐÖµ¡£ÌåÏÖºóÑéÐÅÔë±ÈµÄ×î´óÖµ£¬È¡4~5Ö®¼äµÄÖµ£¬¿ÉÈ¡µÃ½ÏºÃµÄµ÷ÊÔ½á¹û¡£
  ÅÌËãÏÈÑéÐÅÔë±È£º
  ÅÌËãÓïÒô±£´æµÄºóÑé¸ÅÂÊ£º
  ÆäÖÐ£¬
  ÅÌËãÔöÒæϵÊý£º
  ÆäÖÐ£¬
  ÌåÏÖÔöÒæµÄ×îСֵ£¬È¡ÖµÔ½Ð¡£¬¶ÔÔëÉùºÍ·ÇÊ°Òô¹æÄ£ÄÚµÄÓïÒôѹÖƾÍԽǿ£¬µ«Ê°Òô¹æÄ£ÄÚµÄÓïÒôʧÕæ¶È»áÔ½´ó¡£Òò´Ë£¬Ó¦¸Ã¼æ¹ËÕâÁ½¸öÒòËؽøÐÐÈ¡Öµ£¬Í¨³£ÖÁÉÙȡֵΪ0.1£¬ÒÔÖÆÖ¹´¦ÀíºóµÄÓïÒôÐźÅÌ«¹ýʧÕæ¡£

  ÅÌËã´¦ÀíºóµÄÓïÒô£º

      

  ½øÐиµÀïÒ¶·´±ä»»£¬¿ÉµÃ´¦ÀíºóµÄʱÓòÐźÅz(n)£¬¼´¶¨ÏòÊ°ÒôµÄ½á¹û£º
      

  3.Ó¦ÓÃ
  ¶¨ÏòÊ°Òô¼¼ÊõµÄÓ¦ÓñȽϹ㷺£¬½Ï³£¼ûµÄÓ¦Óó¡ºÏÊÇÍâµØÀ©Éù¡£ÔÚÍâµØÀ©ÉùÖÐ£¬ÓÉÓÚ¶¨ÏòÊ°Òô¼¼Êõ¿ÉÒÔѹÖÆij¸öÆ«ÏòÉϵÄÉùÒô£¬Òò´Ë¿ÉÒÔ½«²¥ÒôÉ豸°²ÅÅÔÚÕâ¸öÆ«Ïò£¬Äܹ»ºÜºéÁ÷ƽÉÏÒÖÖÆ¿ÉÄܱ¬·¢µÄÐ¥½Ð£¬´Ó¶ø½â¾öÀ§ÈÅÍâµØÀ©ÉùµÄ½Ï´óÎÊÌâÖ®Ò»£¬ÔÚ½ÌÊÒ¡¢»á³¡µÈÀ©Éù³¡¾°Öж¼ÓкܴóµÄÓ¦ÓÃDZÁ¦¡£±ðµÄ£¬¸Ã¼¼ÊõÔÚ±£´æ½ÇÉ«Êèɢ¼ÒôÒªÇóµÄ³¡ºÏÒ²¶¼ÓÐDZÔÚµÄÓ¦Óÿռä¡£