LFM信号的模糊函数LFM_ambg
作者:互联网
后附有源码可直接运行,x,y,z坐标尚未添加
等高线图为上图横切面,横轴为延迟时间/s,纵轴为多普勒频移/Hz
clc;
close all;
clear all;
taup = 1;
b = 10;
up_down = 1;
eps = 0.000001;
i = 0;
mu = up_down * b / 2./ taup;
delt = 2.2*taup/250;
delf = 2*b /250;
for tau = -1.1*taup:.05:1.1*taup
i = i + 1;
j = 0;
for fd = -b:.05:b
j = j + 1;
val1 = 1. - abs(tau) / taup;
val2 = pi * taup * (1.0 - abs(tau) / taup);
val3 = (fd + mu * tau);
val = val2 * val3;
x(j,i) = abs( val1 * (sin(val+eps)/(val+eps))).^2;
end
end
figure(1)
mesh(x);%三维网格图形绘制
figure(2)
contour(x)%等高线图形绘制
标签:tau,1.1,val,LFM,模糊,eps,taup,abs,ambg 来源: https://blog.csdn.net/m0_47074531/article/details/113829614