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鍙嬫儏鎻愮ず锛氭湰绔欐彁渚涘叏鍦�(gu贸)400澶氭墍楂樼瓑闄㈡牎鎷涙敹纰╁＋銆佸崥澹爺绌剁敓鍏ュ(xu茅)鑰冭│姝峰勾鑰冪爺鐪熼銆佽€冨崥鐪熼銆佺瓟妗�锛岄儴鍒嗗(xu茅)鏍℃洿鏂拌嚦2012骞�锛�2013骞�锛涘潎鎻愪緵鏀惰不(f猫i)涓嬭級銆� 涓嬭級娴佺▼锛� 鑰冪爺鐪熼 榛�(di菐n)鎿娾€�鑰冪爺瑭﹀嵎鈥濃€濅笅杓�; 鑰冨崥鐪熼 榛�(di菐n)鎿娾€�鑰冨崥瑭﹀嵎搴�(k霉)鈥� 涓嬭級
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涓€銆佽€冭│鍏�(n猫i)瀹�
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淇¤櫉(h脿o)鑸囩郴绲�(t菕ng)浠ョ⒑瀹氭€т俊铏�(h脿o)缍�(j墨ng)閬�(gu貌)绶氭€ф檪(sh铆)涓嶈畩锛圠TI锛夌郴绲�(t菕ng)鐨勫偝杓歌垏铏曠悊鐐轰富绶�锛屾(g貌u)寤鸿捣涓€濂�
鍩烘湰姒傚康鍜屽熀鏈垎鏋愯垏铏曠悊鏂规硶锛屽緸鏅�(sh铆)鍩熷埌璁婃彌鍩�锛屽緸閫ｇ簩(x霉)鍒伴洟鏁�锛屽緸杓稿叆杓稿嚭鎻忚堪鍒扮媭鎱�(t脿i)绌�
闁撴弿杩�銆�
鑰冪敓鎳�(y墨ng)鎺屾彙濡備笅鍩烘湰姒傚康銆佺悊璜栧拰鏂规硶:
(1) 淇¤櫉(h脿o)銆佺郴绲�(t菕ng)鐨勫熀鏈蹇碉細淇¤櫉(h脿o)鎻忚堪鍙婃尝褰㈤亱(y霉n)绠�锛屽熀鏈吀鍨嬩俊铏�(h脿o)銆傜郴绲�(t菕ng)妯″瀷銆佷簰鑱�(li谩n)鍙婁富瑕佺壒
鎬�锛�
(2) LTI 绯荤当(t菕ng)鐨勬檪(sh铆)鍩熷垎鏋愶細鍗风⿳绌嶅垎銆佸嵎绌嶅拰銆佸嵎绌嶆€ц唱(zh矛)鑸囪▓(j矛)绠�銆傜敤寰垎/宸垎鏂圭▼鎻忚堪鐨勫洜鏋�
绯荤当(t菕ng)鐨勭稉(j墨ng)鍏歌В娉�銆傞浂杓稿叆/闆剁媭鎱�(t脿i)闊挎噳(y墨ng)锛�
(3) 纰哄畾淇¤櫉(h脿o)鐨勯牷璀滃垎鏋愶細鍛ㄦ湡淇¤櫉(h脿o)鐨勫倕绔嬭憠绱�(j铆)鏁�(sh霉)鍙婂倕绔嬭憠璁婃彌銆傞潪鍛ㄦ湡淇¤櫉(h脿o)鐨勫倕绔嬭憠璁婃彌鍙�
鍏舵€ц唱(zh矛)锛屽吀鍨嬩俊铏�(h脿o)鐨勫倕绔嬭憠璁婃彌鍙婂叾闋昏瓬琛ㄧず銆傛娊妯ｅ畾鐞�锛�
(4) LTI 绯荤当(t菕ng)鐨勯牷鍩熷垎鏋愶細绯荤当(t菕ng)闋荤巼闊挎噳(y墨ng)锛岀郴绲�(t菕ng)鐨勫倕绔嬭憠鍒嗘瀽娉�銆傜郴绲�(t菕ng)妯¤垏鐩镐綅琛ㄧず銆佹尝鐗瑰湒銆�
鐒�(w煤)澶辩湡?zh猫n)楝忔晢l浠讹紝鐞嗘兂婵炬尝鍣�锛�
(5) LTI 绯荤当(t菕ng)鐨勫京(f霉)闋诲煙鍒嗘瀽锛氭媺姘忚畩鎻涳紝Z 璁婃彌銆傚吀鍨嬩俊铏�(h脿o)鐨勮畩鎻涘皪(du矛)銆傜敤鍠倞鎷夋皬璁婃彌鍜� Z 璁�
鎻涙眰瑙ｅ井鍒�/宸垎鏂圭▼銆傜郴绲�(t菕ng)鍑芥暩(sh霉)銆傜郴绲�(t菕ng)鏂规鍦�锛�
(6) 绯荤当(t菕ng)鐙€鎱�(t脿i)绌洪枔鍒嗘瀽锛氱媭鎱�(t脿i)鏂圭▼鑸囪几鍑烘柟绋嬬殑寤虹珛銆傛帉鎻＄媭鎱�(t脿i)鏂圭▼鐨勪竴绋В娉曘€傚杓稿叆锛嶅
杓稿嚭绯荤当(t菕ng)绌�(w臎n)瀹氭€у垽鍒�銆�
2銆佹暩(sh霉)瀛椾俊铏�(h脿o)铏曠悊閮ㄥ垎
鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊鍦ㄥ叏闈㈡帉鎻′俊铏�(h脿o)鑸囩郴绲�(t菕ng)鐭ヨ瓨(sh铆)鐨勫熀绀�(ch菙)涓�锛岄嚌灏�(du矛)纰哄畾鎬ч洟鏁ｄ俊铏�(h脿o)妲�(g貌u)寤鸿捣涓€濂楀緸閫�
绾�(x霉)鍒伴洟鏁�锛屽緸鏅�(sh铆)鍩熷埌璁婃彌鍩熺殑鍩烘湰姒傚康鍜屽熀鏈垎鏋愯垏铏曠悊鏂规硶銆�
鑰冪敓鎳�(y墨ng)鎺屾彙濡備笅鍩烘湰姒傚康銆佺悊璜栧拰鏂规硶:
(1) 鍏ㄩ潰鎺屾彙淇¤櫉(h脿o)鑸囩郴绲�(t菕ng)鐨勫熀绀�(ch菙)鐭ヨ瓨(sh铆)锛�
(2) 闆㈡暎鍌呯珛钁夎畩鎻涳紙DFT锛夛細DFT 瀹氱京銆佹€ц唱(zh矛)锛涢牷鐜囧彇妯�锛涚敤 DFT 灏�(du矛)閫ｇ簩(x霉)鏅�(sh铆)闁撲俊铏�(h脿o)閫艰繎锛涘姞
娆�(qu谩n)鎶€琛�(sh霉)鑸囩獥鍑芥暩(sh霉)锛�
(3) 蹇€熷倕绔嬭憠璁婃彌锛團FT锛夛細鍩猴紞2 鎸夋檪(sh铆)闁�/鎸夐牷鐜囨娊鍙栫殑 FFT 绠楁硶锛汵 鐐哄京(f霉)鍚堟暩(sh霉)鐨� FFT 绠楁硶锛�
鍒嗚鍩� FFT 绠楁硶锛涘(sh铆)搴忓垪鐨� FFT 绠楁硶锛涘揩閫� FFT 鐨勬噳(y墨ng)鐢�锛�
(4) 鏁�(sh霉)瀛楁烤娉㈠櫒锛圖F锛夛細IIR/FIR DF 鐨勫熀鏈祼(ji茅)妲�(g貌u)锛汭IR DF 鐨勮ō(sh猫)瑷�(j矛)锛堝師鐞�銆佸父鐢ㄦā鎿綆閫氭烤娉㈠櫒
鐨勭壒鎬�銆佸緸妯℃摤婵炬尝鍣ㄨō(sh猫)瑷�(j矛)鏁�(sh霉)瀛楁烤娉㈠櫒鐨勬柟娉曪級锛汧IR DF 鐨勮ō(sh猫)瑷�(j矛)锛堝師鐞�銆佺窔鎬х浉浣� FIR DF
鐨勭壒榛�(di菐n)銆佺獥鍑芥暩(sh霉)瑷�(sh猫)瑷�(j矛)娉曞拰闋荤巼鍙栨ǎ瑷�(sh猫)瑷�(j矛)娉曪級锛汭IR 鍜� FIR DF 鐨勬瘮杓�銆�
3銆侀毃姗�(j墨)淇¤櫉(h脿o)鍒嗘瀽閮ㄥ垎
锛�1锛� 闅ㄦ(j墨)閬�(gu貌)绋嬬殑鍩烘湰鐞嗚珫锛氶毃姗�(j墨)閬�(gu貌)绋嬬殑鍒嗛(l猫i)锛岄毃姗�(j墨)閬�(gu貌)绋嬬殑姒傜巼鍒嗗竷銆佺当(t菕ng)瑷�(j矛)骞冲潎銆佺壒寰佸嚱鏁�(sh霉)锛�
闅ㄦ(j墨)閬�(gu貌)绋嬬殑寰垎鍜岀⿳鍒�锛岃伅(li谩n)鍚堥毃姗�(j墨)閬�(gu貌)绋嬶紝闆㈡暎鏅�(sh铆)闁撻毃姗�(j墨)閬�(gu貌)绋�锛屽京(f霉)闅ㄦ(j墨)閬�(gu貌)绋�锛岄珮鏂紙姝ｆ厠(t脿i)锛�
閬�(gu貌)绋�锛岄Μ鐖惧彲澶亷(gu貌)绋�銆侀Μ鐖惧彲澶簭鍒�銆侀Μ鐖惧彲澶張锛屾硦鏉鹃亷(gu貌)绋嬭垏缍磵閬�(gu貌)绋嬨€�
锛�2锛� 骞崇┅(w臎n)闅ㄦ(j墨)閬�(gu貌)绋嬶紙鍖呮嫭閫ｇ簩(x霉)鏅�(sh铆)闁撻毃姗�(j墨)閬�(gu貌)绋嬪拰闆㈡暎鏅�(sh铆)闁撻毃姗�(j墨)閬�(gu貌)绋嬶級锛氬毚(y谩n)骞崇┅(w臎n)闅ㄦ(j墨)閬�(gu貌)绋�銆佸骞�
绌�(w臎n)闅ㄦ(j墨)閬�(gu貌)绋�銆侀亶姝凤紙鍚勬厠(t脿i)姝风稉(j墨ng)锛夐毃姗�(j墨)閬�(gu貌)绋�銆佽伅(li谩n)鍚堝钩绌�(w臎n)闅ㄦ(j墨)閬�(gu貌)绋�锛屽钩绌�(w臎n)闅ㄦ(j墨)閬�(gu貌)绋嬬殑鑷浉闂�(gu膩n)
鍑芥暩(sh霉)鑸囧姛鐜囪瓬瀵嗗害鐨勯棞(gu膩n)绯诲強鎬ц唱(zh矛)锛屼簰鐩搁棞(gu膩n)鍑芥暩(sh霉)鑸囦簰鍔熺巼璀滃瘑搴︾殑闂�(gu膩n)绯诲強鎬ц唱(zh矛)锛屾湁鐞嗗姛鐜�
璀滃瘑搴﹀垎瑙�锛岀櫧鍣伈銆佺啽鍣伈銆佽壊鍣伈銆�
锛�3锛� 闅ㄦ(j墨)淇¤櫉(h脿o)閫氶亷(gu貌)锛堥€ｇ簩(x霉)鏅�(sh铆)闁撹垏闆㈡暎鏅�(sh铆)闁擄級绶氭€х郴绲�(t菕ng)鐨勫垎鏋愶細鏅�(sh铆)鍩熷垎鏋愭柟娉�锛岄牷鍩熷垎鏋愭柟娉�
(鍚媺姘忚畩鎻涖€乑 璁婃彌鏂规硶)锛岀櫧鍖栨烤娉㈠櫒锛岀瓑鏁堝櫔鑱插付瀵�锛岀窔鎬х郴绲�(t菕ng)杓稿嚭绔毃姗�(j墨)淇¤櫉(h脿o)鐨�
姒傜巼瀵嗗害瑷�(j矛)绠�锛岀窔鎬х郴绲�(t菕ng)杓稿嚭淇″櫔姣旇▓(j矛)绠椼€�
锛�4锛� 绐勫付闅ㄦ(j墨)閬�(gu貌)绋嬶細闄愬付闅ㄦ(j墨)閬�(gu貌)绋嬭垏绐勫付闅ㄦ(j墨)閬�(gu貌)绋嬫蹇�锛岃В鏋愰亷(gu貌)绋嬪強鍏舵€ц唱(zh矛)锛岀獎甯堕毃姗�(j墨)閬�(gu貌)绋�
鐨勮〃閬�(d谩)寮忓強鍏舵€ц唱(zh矛)锛岀獎甯堕珮鏂毃姗�(j墨)閬�(gu貌)绋嬪寘绲�(lu貌)鑸囩浉浣嶇殑姒傜巼鍒嗗竷銆佺当(t菕ng)瑷�(j矛)鐗规€э紝姝ｅ鸡鍨嬩俊铏�(h脿o)
鑸囩獎甯堕珮鏂毃姗�(j墨)閬�(gu貌)绋嬩箣鍜岀殑鍖呯怠(lu貌)鑸囩浉浣嶇殑姒傜巼鍒嗗竷銆�
锛�5锛� 闅ㄦ(j墨)淇¤櫉(h脿o)閫氶亷(gu貌)闈炵窔鎬х郴绲�(t菕ng)鐨勫垎鏋愶細鐒�(w煤)瑷樻喍鎬ч潪绶氭€х郴绲�(t菕ng)杓稿嚭姒傜巼瀵嗗害瑷�(j矛)绠楁柟娉�锛岀劇(w煤)瑷樻喍
鎬ч潪绶氭€х郴绲�(t菕ng)杓稿嚭鑷浉闂�(gu膩n)鍑芥暩(sh霉)瑷�(j矛)绠楁柟娉曪紙鐩存帴娉�銆佺壒寰佸嚱鏁�(sh霉)娉�銆丳rice 瀹氱悊銆佺礆(j铆)鏁�(sh霉)灞曢枊(k膩i)
娉曠瓑锛�锛岄毃姗�(j墨)淇¤櫉(h脿o)閫氶亷(gu貌)鍏稿瀷鏈夎鎲堕潪绶氭€х郴绲�(t菕ng)鐨勫垎鏋�锛岀劇(w煤)瑷樻喍鎬ч潪绶氭€х郴绲�(t菕ng)杓稿嚭淇″櫔姣�
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锛�2锛� 鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊閮ㄥ垎鍜岄毃姗�(j墨)淇¤櫉(h脿o)鍒嗘瀽閮ㄥ垎鑰冪敓鍙兘閬告搰鍏朵腑涓€鍊�(g猫)閮ㄥ垎浣滅瓟锛屼笉鍙互
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