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/446358/7580932
m ex9_3.m
close all;clear all; clc;
code=[1,1,1,0,0,1,0];
tao=0.5e-6;
fc=10e6;
fs=100e6;
t_tao=0:1/fs:tao-1/fs;
N=length(code);
pha=0;
t=0:1/fs:7*tao-1/fs;
s=zeros(1,length(t));
for i=1:N
www.eeworm.com/read/439653/7704036
m exp4_16.m
% exp4_16.m
clear
close all
clc
%有理传递函数模型
num=[1 1];
den=conv([1 2],conv([1 2],[1 2]));
w=logspace(-1,2);
t=0.5;
%求有理传递函数模型的频率响应
[mag1,pha1]=bode(num,den,w);
%求系统的等效传递函数
[n2,d2]=pade(t,4);
www.eeworm.com/read/439437/7709149
m freqs_m.m
function [db,mag,pha,w] = freqs_m(b,a,wmax);
% Computation of s-domain frequency response: Modified version
% ------------------------------------------------------------
% [db,mag,pha,w] = freqs_m
www.eeworm.com/read/438370/7732127
m exp4_16.m
% exp4_16.m
clear
close all
clc
%有理传递函数模型
num=[1 1];
den=conv([1 2],conv([1 2],[1 2]));
w=logspace(-1,2);
t=0.5;
%求有理传递函数模型的频率响应
[mag1,pha1]=bode(num,den,w);
%求系统的等效传递函数
[n2,d2]=pade(t,4);
www.eeworm.com/read/437242/7753081
m 17t.m
Rp=0.5;
T=0.001;
ws=200*2*pi*T;
ws1=(2/T)*tan(ws/2);
[b,a]=cheby1(9,Rp,ws1,'high','s');
[bz,az]=bilinear(b,a,1/T);
[db,mag,pha,grd,w]=freqz_m(bz,az);
subplot(2,1,1);
plot(w/pi,db);
grid;
axi
www.eeworm.com/read/437242/7753091
m 42t.m
Rp=3;Rs=20;
N=33;n=[0:1:N-1];
wc=pi/4;
hd=ideal_lp(wc,N);
w_han=(hanning(N))';%矩形窗w_han=(boxcar(N))'汉宁窗w_han=(hanning(N))'海明窗w_han=(hamming(N))'布莱克曼窗w_han=(blackman(N))'凯瑟窗w_han=(kaiser(N,7.865))'
www.eeworm.com/read/437242/7753108
m 18t.m
Wn=2*pi*100;
fs=1000;
[b,a]=butter(6,Wn,'s');
[bz,az]=impinvar(b,a,fs);
[db,mag,pha,grd,w]=freqz_m(bz,az);
subplot(2,2,1);
plot(w/pi,db);
title('系统的幅频响应');
axis([0,1,-50,5]);
subplot(2,2,2);
www.eeworm.com/read/436787/7762660
m freqz_m.m
function [db,mag,pha,grd,w]=freqz_m(b,a);
[H,w]=freqz(b,a,1000,'whole');
H=(H(1:1:501))';
w=(w(1:1:501))';
mag=abs(H);
db=20*log10((mag+eps)/max(mag));
pha=angle(H);
grd=grpdelay(b,a,w);
www.eeworm.com/read/299923/7820473
m freqs_m.m
function [db,mag,pha,w] = freqs_m(b,a,wmax);
% Computation of s-domain frequency response: Modified version
% ------------------------------------------------------------
% [db,mag,pha,w] = freqs_m
www.eeworm.com/read/399073/7896311
m sy23.m
Rp=3;Rs=15;t=0.001
wp1=0.25*pi/t;wp2=0.45*pi/t;ws1=0.15*pi/t;ws2=0.55*pi/t;
wp=[wp1,wp2];ws=[ws1,ws2];
[n,wn]=buttord(wp,ws,Rp,Rs,'s'); % 求阶数n ,3dB截止频率wn
[z,p,k]=buttap(n);