求Matlab 傅立葉轉換 - Yahoo!奇摩知識+
以下程式是 sin的圖形 %check Fourier transform%sin signalclear all;clear all;clear;close all;w1=0.5*pi; %analogue signal frequencyto=1/w1; %analogue signal periodts=0.5*0.5*to; %sampling periodtd=0:ts:4; %time sequencex_sin=sin(w1.*td);w=-pi:pi/50:pi ......