瀹為獙浜?/p>
IIR
鏁板瓧婊ゆ尝鍣ㄨ璁?/p>
涓�銆佸疄楠岀洰鐨?/p>
锛?/p>
1
锛夌啛鎮夌敤鍙岀嚎鎬у彉鎹㈡硶璁捐
IIR
鏁板瓧婊ゆ尝鍣ㄧ殑鍘熺悊涓庢柟娉曪紱
锛?/p>
2
锛夊浼氳皟鐢?/p>
MATLAB
淇″彿澶勭悊宸ュ叿绠变腑婊ゆ尝鍣ㄨ璁″嚱鏁拌璁″悇绉?/p>
IIR
鏁?/p>
瀛楁护娉㈠櫒锛屽浼氭牴鎹护娉㈤渶姹傜‘瀹氭护娉㈠櫒鎸囨爣鍙傛暟銆?/p>
锛?/p>
3
锛夋帉鎻?/p>
IIR
鏁板瓧婊ゆ尝鍣ㄧ殑
MATLAB
瀹炵幇鏂规硶銆?/p>
锛?/p>
4
锛夐�氳繃瑙傚療婊ゆ尝鍣ㄨ緭鍏ヨ緭鍑轰俊鍙风殑鏃跺煙娉㈠舰鍙婂叾棰戣氨锛屽缓绔嬫暟瀛楁护娉㈢殑
姒傚康銆?/p>
浜屻�佸疄楠屽師鐞?/p>
璁捐
IIR
鏁板瓧婊ゆ尝鍣ㄤ竴鑸噰鐢ㄩ棿鎺ユ硶锛堣剦鍐插搷搴斾笉鍙樻硶鍜屽弻绾挎�у彉鎹㈡硶锛?/p>
锛?/p>
搴旂敤鏈�骞挎硾鐨勬槸鍙岀嚎鎬у彉鎹㈡硶銆?/p>
鍩烘湰璁捐杩囩▼鏄細
鈶犲厛灏嗙粰瀹氱殑鏁板瓧婊ゆ尝鍣ㄧ殑鎸?/p>
鏍囪浆鎹㈡垚杩囨浮妯℃嫙婊ゆ尝鍣ㄧ殑鎸囨爣锛?/p>
鈶¤璁¤繃娓℃ā鎷熸护娉㈠櫒锛涒憿灏嗚繃娓℃ā鎷熸护娉?/p>
鍣ㄧ郴缁熷嚱鏁拌浆鎹㈡垚鏁板瓧婊ゆ尝鍣ㄧ殑绯荤粺鍑芥暟銆?/p>
MATLAB
淇″彿澶勭悊宸ュ叿绠变腑鐨勫悇绉?/p>
IIR
鏁板瓧婊ゆ尝鍣ㄨ璁″嚱鏁伴兘鏄噰鐢ㄥ弻绾挎�у彉鎹㈡硶銆傜鍏珷浠嬬粛鐨勬护娉㈠櫒璁捐鍑芥暟
butter
銆?/p>
cheby1
銆?/p>
cheby2
鍜?/p>
ellip
鍙互鍒嗗埆琚皟鐢ㄦ潵鐩存帴璁捐宸寸壒娌冩柉銆佸垏姣?/p>
闆か
1
銆?/p>
鍒囨瘮闆か
2
鍜屾き鍦嗘ā鎷熷拰鏁板瓧婊ゆ尝鍣ㄣ�?/p>
鏈疄楠岃姹傝鑰呰皟鐢ㄥ涓婂嚱鏁扮洿
鎺ヨ璁?/p>
IIR
鏁板瓧婊ゆ尝鍣ㄣ�?/p>
鏈疄楠岀殑鏁板瓧婊ゆ尝鍣ㄧ殑
MATLAB
瀹炵幇鏄寚璋冪敤
MATLAB
淇″彿澶勭悊宸ュ叿绠?/p>
鍑芥暟
filter
瀵圭粰瀹氱殑杈撳叆淇″彿
x(n)
杩涜婊ゆ尝锛屽緱鍒版护娉㈠悗鐨勮緭鍑轰俊鍙?/p>
y(n
锛?/p>
銆?/p>
涓夈�佸疄楠屽唴瀹瑰強姝ラ
锛?/p>
1
锛?/p>
璋冪敤淇″彿浜х敓鍑芥暟
mstg
浜х敓鐢变笁璺姂鍒惰浇娉㈣皟骞呬俊鍙风浉鍔犳瀯鎴愮殑澶嶅悎