matlab雷达V调频
%V型调频波形close all
clear all
%V_BW = 15e6;
V_BW = 10;
%tau = 1e-6;%脉冲宽度
tau = 10;
ts = 1e-1;
beta = V_BW/tau;%线性调频系数K
t1 = -tau:ts:0;
t2 = 0:ts:+tau;
S = exp(-1j*pi*beta*(t1.^2))+exp(1j*pi*beta*(t2.^2));%LFM复包络的公式，因为LFM的谱由其复包络决定
% plot((t1+t2)*1e6,imag(S),"linewidth",1.5),grid on
plot((t1+t2),imag(S),"linewidth",1.5),grid on
xlabel("time in microseconds")
ylabel("V型调频的频谱")
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