代码搜索：pha
找到约 824 项符合「pha」的源代码
代码结果 824
www.eeworm.com/read/285194/8861617
m lowpassfilter.m
%用矩形窗设计线性相位FIR低通滤波器(wc=pi/4 N=21)
N=21;wc=pi/4;
bandwidth=4*pi/N;
n=[0:1:N-1];
hdn=ideal_lp(wc,N);
win_boxcar=boxcar(N)';
hn=hdn.*win_boxcar;
[db,mag,pha,w]=myfreqz(hn,1);
subplot(2,2,1);stem(
www.eeworm.com/read/168453/9912719
m ex072800.m
% 第七章 例 7.28
% 用PM算法进行的希尔伯特变换器设计
%
f = [0.05,0.95]; m = [1 1]; M = 51; N = M-1;
h = remez(N,f,m,'hilbert');
[db,mag,pha,grd,w] = freqz_m(h,[1]);
figure(1); subplot(1,1,1)
subplot(2,1,1); stem(
www.eeworm.com/read/423913/10526990
m ex072800.m
% 第七章 例 7.28
% 用PM算法进行的希尔伯特变换器设计
%
f = [0.05,0.95]; m = [1 1]; M = 51; N = M-1;
h = remez(N,f,m,'hilbert');
[db,mag,pha,grd,w] = freqz_m(h,[1]);
figure(1); subplot(1,1,1)
subplot(2,1,1); stem(
www.eeworm.com/read/437242/7753100
m 48t.m
N=31;alpha=(N-1)/2;k=0:N-1;wk=(2*pi/N)*k;
Hk=[ones(1,5),0.5,zeros(1,20),0.5,ones(1,4)];
angH=-alpha*(2*pi)/N*k;H=Hk.*exp(i*angH);
h=real(ifft(H,N));
[db,mag,pha,grd,w]=freqz_m(h,1);
[Hr,ww,a,L]=H
www.eeworm.com/read/399073/7896319
m sy31.m
wp=0.3*pi;ws=0.5*pi;
Rp=1;As=50;
M=15;
n=[0:1:M-1];
wc=(ws+wp)/2;
hd=ideal_lp(wc,M);
w_ham=(hamming(M))';
h=hd.*w_ham;
[db,mag,pha,grd,w]=freqz_m(h,[1]);
delta_w=2*pi/1000;
Rp=-(min(db(1:1:w
www.eeworm.com/read/399073/7896334
m sy33.m
N=33;alpha=(N-1)/2;k=0:N-1;wk=(2*pi/N)*k;
Hk=[ones(1,4),0.5,zeros(1,24),0.5,ones(1,3)];
angH=-alpha*(2*pi)/N*k;H=Hk.*exp(i*angH);
h=real(ifft(H,N));
[db,mag,pha,grd,w]=freqz_m(h,1);
[Hr,ww,a,L]=H
www.eeworm.com/read/322356/13381785
m firdesign.m
wp=(22/59)*pi;wr=(26/59)*pi;
tr_width=wr-wp;
N=ceil(10*pi/tr_width);
n=0:1:N-1;
wc=(wr+wp)/2;
hd=ideal_lp(wc,N);
w_ham=(hamming(N))';
h=hd.*w_ham;
[db,mag,pha,w]=freqz_m(h,[1]);
delta_w=2*pi/
www.eeworm.com/read/150632/5689908
m ex072800.m
% 第七章 例 7.28
% 用PM算法进行的希尔伯特变换器设计
%
f = [0.05,0.95]; m = [1 1]; M = 51; N = M-1;
h = remez(N,f,m,'hilbert');
[db,mag,pha,grd,w] = freqz_m(h,[1]);
figure(1); subplot(1,1,1)
subplot(2,1,1); stem(