function?[HrwPLtype]?=?ampl_ress（h）
%
%?function?[HrwPL]?=?ampl_ress（h）
%?Computes?Amplitude?response?Hr（w）?and?its?polynomial?P?of?order?L
%?given?a?linear-phase?FIR?filter?impulse?response?h.
%?The?type?of?filter?is?determined?automatically?by?the?suroutine.
%
%?Hr?=?Amplitude?Response
%?w?=?Frequence?between?[0?pi]?over?which?Hr?is?computed
%?P?=?Polynomial?coefficients
%?L?=?Order?of?P
%?h?=?Linear?Phase?filter?impulse?response
%
M?=?length（h）;
if?rem（M2）==1
???if?all（abs（h（1:（M-1）/2）-h（M:-1:（M+3）/2））<1e-8）?
???????[HrwPL]?=?hr_type1（h）;?type=1;
???elseif?all（abs（h（1:（M-1）/2）+h（M:-1:（M+3）/2））<1e-8）?&?h（（M+1）/2）==0?
???????[HrwPL]?=?hr_type3（h）;?type=3;
???else?disp（‘not?a?linear-phase?filter?check?h‘）?return
???end
else
???if?all（abs（h（1:M/2）-h（M:-1:M/2+1））<1e-8）
???????[HrwPL]?=?hr_type2（h）;?type=2;
???elseif?all（abs（h（1:M/2）+h（M:-1:M/2+1））<1e-8）?
???????[HrwPL]?=?hr_type4（h）;?type=4;
???????else?disp（‘not?a?linear-phase?filter?check?h‘）?return?
???end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-10-12?14:55??MATLAB淇″彿浜嬩緥\
?????文件???110968696??2018-08-08?17:37??MATLAB淇″彿浜嬩緥\MATLAB鏁板瓧淇″彿澶勭悊85涓疄鐢ㄦ渚嬬簿璁?鍏ラ棬鍒拌繘闃?pdf
?????目錄???????????0??2018-10-12?15:31??__MACOSX\
?????目錄???????????0??2018-10-12?15:31??__MACOSX\MATLAB淇″彿浜嬩緥\
?????文件?????????607??2018-08-08?17:37??__MACOSX\MATLAB淇″彿浜嬩緥\._MATLAB鏁板瓧淇″彿澶勭悊85涓疄鐢ㄦ渚嬬簿璁?鍏ラ棬鍒拌繘闃?pdf
?????文件???????10244??2018-10-12?15:31??MATLAB淇″彿浜嬩緥\.DS_Store
?????文件?????????120??2018-10-12?15:31??__MACOSX\MATLAB淇″彿浜嬩緥\._.DS_Store
?????目錄???????????0??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\
?????目錄???????????0??2018-10-12?14:48??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\
?????文件???????????0??2018-10-12?14:48??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?
?????文件????????1142??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_1_4.m
?????目錄???????????0??2018-10-12?15:31??__MACOSX\MATLAB淇″彿浜嬩緥\code\
?????目錄???????????0??2018-10-12?15:31??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\
?????文件???????????0??2018-10-12?15:31??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?
?????文件?????????479??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_1_4.m
?????文件???????33646??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?sndwav1.wav
?????文件?????????481??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._sndwav1.wav
?????文件????????1400??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_2_4.m
?????文件?????????479??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_2_4.m
?????文件?????????796??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_2_13.m
?????文件?????????477??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_2_13.m
?????文件?????????707??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?sndata1.mat
?????文件?????????477??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._sndata1.mat
?????文件????????1363??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_2_9.m
?????文件?????????479??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_2_9.m
?????文件????????1171??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_2_3.m
?????文件?????????478??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_2_3.m
?????文件???????30030??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?delaydata1.txt
?????文件?????????481??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._delaydata1.txt
?????文件?????????748??2018-08-08?17:36??MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?pr2_2_7.m
?????文件?????????476??2018-08-08?17:36??__MACOSX\MATLAB淇″彿浜嬩緥\code\MATLAB鏁板瓧淇″彿澶勭悊?85涓渚嬪垎鏋?鍏ㄤ功紼嬪簭\絎?绔犵▼搴?._pr2_2_7.m
............此處省略409個文件信息