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/439653/7704049
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/439653/7704056
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/439437/7709141
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/377646/7715157
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/438370/7732140
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/438370/7732147
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/438073/7737146
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/437242/7753070
m 27t.m
Rp=1.5;
Rs=20;
T=0.001;
wp=0.4*pi;
ws=0.6*pi;
wp1=(2/T)*tan(wp/2);
ws1=(2/T)*tan(ws/2);
[n,wn]=buttord(wp1,ws1,Rp,Rs,'s')
[b,a]=butter(n,wn,'s')
[bz,az]=bilinear(b,a,1/T);
[b0,B,A]=dir2par(b
www.eeworm.com/read/437242/7753083
m 29t.m
clc;
close all;
clear all;
Rp=1;Rs=40;fs=1000;
ws1=0.25*pi;ws2=0.8*pi;
wp1=0.4*pi;wp2=0.7*pi;
wp3=(2*fs)*tan(wp1/2);
wp4=(2*fs)*tan(wp2/2);
ws3=(2*fs)*tan(ws1/2);
ws4=(2*fs)*tan(ws2/2);
wp=[
www.eeworm.com/read/437242/7753098
m 28t.m
Rp=1;Rs=15;T=0.001;
wp=0.6*pi;ws=0.4*pi;
wp1=(2/T)*tan(wp/2);ws1=(2/T)*tan(ws/2);
[n,wn]=cheb1ord(wp1,ws1,Rp,Rs,'s')
[b,a]=cheby1(n,Rp,wn,'high','s')
[bz,az]=bilinear(b,a,1/T);
[b0,B,A]=dir2par(