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www.eeworm.com/read/269249/11103619
m 偶数平面阵切比雪夫矩阵及波束图形.m
%%%%%%% 偶数平面阵切比雪夫矩阵及波束图形
clear,clc
N=5;PI=pi/180;
p1=zeros(180,180);
p2=zeros(180,180);
sita=-90:89;DLLR=0.5;
fai=-90:89;
[sita,fai]=meshgrid(sita,fai);
u=pi*DLLR*(sin(sita*PI).*cos(sita*PI))
www.eeworm.com/read/269044/11110583
m psk_4_gray.m
function [b]=psk_4_gray(theta)
if theta7*pi/4
bitp=[0 0];
elseif theta
www.eeworm.com/read/414455/11111524
m ip_07_07.m
% MATLAB script for Illustrative Problem 7.7.
clear
echo on
Tb=1;
f1=1000/Tb;
f2=f1+1/Tb;
phi=pi/4;
N=5000; % number of samples
t=0:Tb/(N-1):Tb;
u1=cos(2*pi*f1*t);
u2=cos(2*pi*f2*t);
www.eeworm.com/read/268260/11146911
m ex031200.m
n = -5:10; x = sin(pi*n/2);
k = -100:100; w = (pi/100)*k; % frequency between -pi and +pi
X = x * (exp(-j*pi/100)).^(n'*k); % DTFT of x
% signal decomposition
[xe,xo,m] = evenodd(x,n);
www.eeworm.com/read/268231/11149094
m ip_07_07.m
% MATLAB script for Illustrative Problem 7, Chapter 7.
echo on
Tb=1;
f1=1000/Tb;
f2=f1+1/Tb;
phi=pi/4;
N=5000; % number of samples
t=0:Tb/(N-1):Tb;
u1=cos(2*pi*f1*t);
u2=cos(2*pi*f2*t);
% assum
www.eeworm.com/read/413391/11157824
m chap3_11f.m
function [y]=func(x1,x2,x3)
for l1=1:1:3
gs1=-[(x1+pi/6-(l1-1)*pi/6)/(pi/12)]^2;
u1(l1)=exp(gs1);
end
for l2=1:1:3
gs2=-[(x2+pi/6-(l2-1)*pi/6)/(pi/12)]^2;
u2(l2)=exp(gs2);
end
www.eeworm.com/read/267227/11189512
c 1cpdv.c
#include "math.h"
void cpdv(pr,pi,m,qr,qi,n,sr,si,k,rr,ri,l)
int m,n,k,l;
double pr[],pi[],qr[],qi[],sr[],si[],rr[],ri[];
{ int i,j,mm,ll;
double a,b,c,d,u,v;
void cmul(doubl
www.eeworm.com/read/267095/11195043
m exp2_4_.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
hold on %允许在同一坐标系下绘制不同的图形
plot(t,sin(t),'r:*')
plot(t,cos(t))
plot(t,-cos(t),'k')
grid on %在所画出的图形坐标中添加栅格，注意用在plot之后
hold off %覆盖旧图
www.eeworm.com/read/267095/11195054
m exp2_4.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
figure(1) %选择图像
plot(t,sin(t),'r:*')
grid on %在所画出的图形坐标中添加栅格，注意用在plot之后
grid off %删除栅格
figure(2)
plot(t,cos(t))
grid on
grid off
www.eeworm.com/read/412269/11207728
m exp2_4_.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
hold on %允许在同一坐标系下绘制不同的图形
plot(t,sin(t),'r:*')
plot(t,cos(t))
plot(t,-cos(t),'k')
grid on %在所画出的图形坐标中添加栅格，注意用在plot之后
hold off %覆盖旧图