function?[dbmagphaw]=freqz_m（ba）;?
%db=[0-pi弧度]區間內的相對振幅?
%mag=[0-pi弧度]區間內的絕對振幅?
%pha=[0-pi弧度]區間內的相位響應?
%grd=[0-pi弧度]區間內的群延遲?
%w=[0-pi弧度]區間內的501個頻率樣本向量?
%b=Ha（z）的分子多項式系數（對FIR:b=h）?
%a=Ha（z）的分子多項式系數（對FIR:b=[1]）?
[Hw]=freqz（ba1000‘whole‘）;?
H=（H（1:1:501））‘;?
w=（w（1:1:501））‘;?
mag=abs（H）?
db=20*log10（（mag+eps）/max（mag））?
pha=angle（H）?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????198144??2011-06-29?19:05??MATLAB\MATLAB.doc

?????文件????????431??2010-01-10?13:38??MATLAB\三角形窗\freqz_m.m

?????文件????????301??2010-01-10?12:00??MATLAB\三角形窗\ideal_bp1.m

?????文件???????1060??2010-01-10?13:34??MATLAB\三角形窗\Untitled.asv

?????文件??????16914??2010-01-10?15:26??MATLAB\三角形窗\untitled2.fig

?????文件????????964??2010-01-11?12:17??MATLAB\三角形窗\Untitled2.m

?????文件????????431??2010-01-09?23:23??MATLAB\凱澤窗\freqz_m.m

?????文件????????301??2010-01-10?12:00??MATLAB\凱澤窗\ideal_bp1.m

?????文件????????961??2010-01-10?15:48??MATLAB\凱澤窗\Untitled5.asv

?????文件??????17471??2010-01-10?15:48??MATLAB\凱澤窗\untitled5.fig

?????文件????????961??2010-01-11?12:18??MATLAB\凱澤窗\Untitled5.m

?????文件??????16085??2010-01-10?16:13??MATLAB\凱澤窗\untitled5j.fig

?????文件????????431??2010-01-09?23:23??MATLAB\布萊克曼\freqz_m.m

?????文件????????301??2010-01-10?12:00??MATLAB\布萊克曼\ideal_bp1.m

?????文件??????19137??2010-01-10?14:51??MATLAB\布萊克曼\untitled4.fig

?????文件????????969??2010-01-11?12:18??MATLAB\布萊克曼\Untitled4.m

?????文件????????431??2010-01-09?23:23??MATLAB\漢明窗\freqz_m.m

?????文件????????301??2010-01-10?12:00??MATLAB\漢明窗\ideal_bp1.m

?????文件??????18611??2010-01-10?14:16??MATLAB\漢明窗\untitled3.fig

?????文件????????955??2010-01-11?12:16??MATLAB\漢明窗\Untitled3.m

?????文件????????431??2010-01-09?23:23??MATLAB\矩形窗\freqz_m.m

?????文件????????301??2010-01-10?12:00??MATLAB\矩形窗\ideal_bp1.m

?????文件????????961??2010-01-10?15:11??MATLAB\矩形窗\Untitled1.asv

?????文件??????16083??2010-01-10?18:02??MATLAB\矩形窗\untitled1.fig

?????文件????????961??2010-01-11?12:18??MATLAB\矩形窗\Untitled1.m

?????目錄??????????0??2010-01-11?12:22??MATLAB\三角形窗

?????目錄??????????0??2010-01-11?12:28??MATLAB\凱澤窗

?????目錄??????????0??2010-01-11?12:26??MATLAB\布萊克曼

?????目錄??????????0??2010-01-11?12:24??MATLAB\漢明窗

?????目錄??????????0??2010-01-11?12:30??MATLAB\矩形窗

............此處省略4個文件信息