temp.m

阵列信号处理中常用的LS算法,用于估计目标的方位角等位置参数.

function []=temp()

b=fir1(15,0.3);
freqz(b,1,512)%[h,w]=;

x=randn(8000,1);
y=filter(b,1,x);
% v=var(y);
% figure(1);
% plot(y)
% hold on
% figure(2);
% pxx=psd(y);
% %plot(pxx)
% z=(fftshift(abs(fft(y))));
% f=-0.5:1/8192:(0.5-1/8192);
% plot(2*f,10*log10(z));
% grid on
% figure(3);
% [h,w]=freqz(b,1,512);
% plot(w,20*log10(abs(h)))
% snr=-6;
% dw=v^0.5*10^(snr/20)*randn(8192,1);
%plot(w,20*log10(abs(h)));
% v=var(y);
% figure(1);
% plot(y)
% hold on
% figure(2);
% pxx=psd(y);
% %plot(pxx)
% z=(fftshift(abs(fft(y))));
% f=-0.5:1/8192:(0.5-1/8192);
% plot(2*f,10*log10(z));
% grid on
% figure(3);
% [h,w]=freqz(b,1,512);
% plot(w,20*log10(abs(h)))
% snr=-6;
% dw=v^0.5*10^(snr/20)*randn(8192,1);
% unction []=temp()
% x=randn(8192,1);
% b=fir1(32,0.6);
% y=filter(b,1,x);
% figure(1);
% plot(y)
% hold on
% figure(2);
% pxx=psd(y);
% %plot(pxx)
% z=(fftshift(abs(fft(y))));
% f=-0.5:1/8192:(0.5-1/8192);
% size(f)
% plot(2*f,10*log10(z));
% grid on
% figure(3);
% [h,w]=freqz(b,1,512);
% plot(w,20*log10(abs(h)))
% y(1:19)=x(1:19)+sqrt(0.38)*randn(1,19);