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/102840/15756551
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/102840/15756558
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/391780/8377240
m ms10_4.m
b=[0.1321,0, 0.3963,0, 0.3963,0,0.1321];
a=[1,0,-0.34319,0, 0.60439, 0,-0.20407];
[db,mag,pha,grd,w]=freqz_m(b,a);
subplot(2,2,1),plot(w/pi,mag,'k');grid %作绝对幅度频响图
axis([0,1,1.1*min(mag),1.1*max(m
www.eeworm.com/read/391780/8377661
m ms10r4.m
b=[0.187632,0, -0.241242,0,0.241242,0,-0.187632];
a=[1,0,0.602012,0, 0.495684, 0,0.035924];
[db,mag,pha,grd,w]=freqz_m(b,a);
subplot(2,2,1),plot(w/pi,mag);grid %作绝对幅度频响图
axis([0,1,1.1*min(mag),1.1
www.eeworm.com/read/432412/8606213
m freqs_m.m
function [db,mag,pha,w] = freqs_m(b,a,wmax);
% s域频率响应计算的改进版本-
% ------------------------------------------------------------
% [db,mag,pha,w] = freqs_m(b,a,wmax);
% db = [0 to wmax]区间内的相对振幅
%
www.eeworm.com/read/432412/8606566
m freqs_m.m
function [db,mag,pha,w] = freqs_m(b,a,wmax);
% s域频率响应计算的改进版本-
% ------------------------------------------------------------
% [db,mag,pha,w] = freqs_m(b,a,wmax);
% db = [0 to wmax]区间内的相对振幅
%
www.eeworm.com/read/429552/8803083
m lvboqi.m
clc
clear
clear all
%系统指标描述
wp=0.2*pi;wr=0.3*pi;ap=1;ar=15;T=1;
wap=wp/T;war=wr/T;
%求巴特沃兹模拟低通滤波器原型
[n,wn]=buttord(wap,war,ap,ar,'s');
[b,a]=butter(n,wn,'s')
[db,mag,pha,Omega]=freqs_m(b,a);
www.eeworm.com/read/285828/8808976
m nnnew.m
%产生x(t)*x(t+tal)的样本,tal固定
function xt=nnew();
pha=2*pi*rand(1);
a=rand(1)+4.5;
tal=0.0;
t=0.00:0.01:0.99;
for i=1:100
xt(i)=a*cos(2*pi*t(i)+pha)*a*cos(2*pi*(t(i)+tal)+pha);
end
www.eeworm.com/read/285828/8808996
m nnew.m
%产生x(t)*x(t+tal)的样本,t固定
function xt=nnew();
pha=2*pi*rand(1);
a=rand(1)+4.5;
t=0.0;
tal=0.00:0.01:0.99;
for i=1:100
xt=a*cos(2*pi*t+pha)*a*cos(2*pi*(t+tal)+pha);
end
www.eeworm.com/read/168453/9912542
m freqs_m.m
function [db,mag,pha,w] = freqs_m(b,a,wmax);
% s域频率响应计算的改进版本-
% ------------------------------------------------------------
% [db,mag,pha,w] = freqs_m(b,a,wmax);
% db = [0 to wmax]区间内的相对振幅
%