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/449948/7493413
m circlegs.m
clear all
%%%%%%%%%%%%%%%%%%%%
%A diffractive circle with more than 90% of energy in 700mm
%of diffractive distance. The uint is millimeter in the program.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
lamd=0
www.eeworm.com/read/449352/7508512
htm ads_002.htm
a:link,a:visited,a:hover,a:active{color:#e1771e;cursor:pointer;}body,table,div,ul,li{font-
www.eeworm.com/read/448529/7531914
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/447444/7551107
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/447444/7551114
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/446358/7580920
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 ...
www.eeworm.com/read/444759/7607552
m 4-1.m
%例程4-1 利用冲激响应不变法设计数字低通滤波器
%利用模拟巴特沃斯滤波器设计数字低通滤波器
%冲激响应不变法
wp=0.2*pi;
ws=0.3*pi;
Rp=1;
As=15;
T=1;
%性能指标
Rip=10^(-Rp/20);
Atn=10^(-As/20);
OmgP=wp*T;
OmgS=ws*T;
[N,OmgC]=buttord(OmgP,Omg
www.eeworm.com/read/443241/7635755
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/442985/7640372
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/441886/7663234
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;
%-----------