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/437242/7753102
m 30t.m
Rp=1;Rs=60;wp1=0.4*pi;ws1=0.5*pi;T=0.001;
wp=(2/T)*tan(wp1/2);ws=(2/T)*tan(ws1/2);
[n,wn]=ellipord(wp,ws,Rp,Rs,'s') ;
[b,a]=ellip(n,Rp,Rs,wn,'low','s') ;
[bz,az]=bilinear(b,a,1/T);
[db,mag,pha,g
www.eeworm.com/read/437242/7753103
m 26t.m
Rp=1;
Rs=15;
wp1=0.2*pi;
ws1=0.3*pi;
T=0.001;
wp=(2/T)*tan(wp1/2);
ws=(2/T)*tan(ws1/2);
[n,wn]=ellipord(wp,ws,Rp,Rs,'s') %从此处可以计算阶数n
[b,a]=ellip(n,Rp,Rs,wn,'low','s') %由b,a的值可以得到系统函数
[bz,az
www.eeworm.com/read/437242/7753110
m 25t.m
Rp=1;Rs=25;wp1=0.2*pi;ws1=0.4*pi;T=0.001;
wp=(2/T)*tan(wp1/2);ws=(2/T)*tan(ws1/2);
[n,wn]=cheb2ord(wp,ws,Rp,Rs,'s') %从此处可以计算阶数n
[b,a]=cheby2(n,Rs,wn,'low','s') %由b,a的值可以得到系统函数
[
www.eeworm.com/read/299923/7820451
m freqz_m.m
function [db,mag,pha,grd,w] = freqz_m(b,a);
% Modified version of freqz subroutine
% ------------------------------------
% [db,mag,pha,grd,w] = freqz_m(b,a);
% db = Relative magnitude in dB comp
www.eeworm.com/read/299869/7827450
m exa050403.m
%----------------------------------------------------------------------
% exa050403.m, for example 5.4.3 ， fig5.4.4 and fig5.4.5
% to explain the minimum,maxmum and mixed-phase system;
%-----------
www.eeworm.com/read/399533/7849555
m exa050403.m
%----------------------------------------------------------------------
% exa050403.m, for example 5.4.3 ， fig5.4.4 and fig5.4.5
% to explain the minimum,maxmum and mixed-phase system;
%-----------
www.eeworm.com/read/399073/7896344
m sy21.m
Rp=1.5;Rs=40;T=0.001;fp=0.3;fs=0.2;
wp=2*pi*fp;ws=2*pi*fs;
wp1=(2/T)*tan(wp/2);
ws1=(2/T)*tan(ws/2);
[n,wn]=cheb1ord(wp1,ws1,Rp,Rs,'s'); % 求阶数n ,3dB截止频率wn
[z,p,k]=cheb1ap(n,Rp);
www.eeworm.com/read/197646/7983564
m exp4_12_.m
%exp4_12_.m
%margin函数通常用在bode函数之后，先由bode函数得到
%幅值、相角和频率矢量，然后由margin绘制出增益裕度
%和相角裕度的波特图。
clear
clc
close all
%定义二阶系统，G(s)=1/(s^2+2*kosi*wn*s+wn^2)
[a,b,c,d]=ord2(1,0.2);
[mag,pha,w]=bode(a,b,c,d
www.eeworm.com/read/197646/7983576
m exp4_12.m
%exp4_12.m
%margin函数通常用在bode函数之后，先由bode函数得到
%幅值、相角和频率矢量，然后由margin绘制出幅值裕度
%和相角裕度的波特图。
clear
clc
close all
%某系统的开环传递函数为：G(s)=k/s(s+1)(0.2s+1)
%求k分别为2和20时的幅值裕度与相角裕度
num1=2;num2=20;
den=conv([1
www.eeworm.com/read/398351/7992403
m pam.m
funtion sp=pam(t,fc,fp,fs,tao,<mark>pha</mark>)
%该程序是用来产生脉冲调制信号（PAM）的
%参数t是所要产生脉冲幅度调制信号的时间，单位为s
%参数fc为脉内信号的频率，单位为Hz
%参数fp为脉冲信号的频率，单位为H
%参数fs为采样时钟频率，单位为Hz
%参数tao为脉冲信号的占空比，单位为%
%参数pta为信号的初始相位，单位为rad
if nargi ...