【信号去噪】基于一阶低通滤波LPF实现信号去噪附matlab代码.zip

clear all close all Nsamples = 500; Xsaved = zeros(Nsamples, 1); Xmsaved = zeros(Nsamples, 1); for k=1:Nsamples xm = GetSonar(); x = LPF(xm); Xsaved(k) = x; Xmsaved(k) = xm; end dt = 0.02; t = 0:dt:Nsamples*dt-dt; figure hold on plot(t, Xmsaved, 'r.'); plot(t, Xsaved, 'b'); legend('Measured', 'LPF')