介绍周期矩形脉冲函数的合成,可以很开的合成脉冲函数-introduced cycle rectangular pulse function synthesis, can open the synthetic pulse function

周期T=5，脉宽tao=1的矩形脉冲及频谱图-cycle T = 5, pulse width = tao a rectangular pulse and the spectrum

用FFT分析周期矩形脉冲及其频谱, 这是计算周期矩形脉冲双边频谱的程序。-using FFT analysis cycle and rectangular pulse spectrum, which is calculated cycle rectangular pulse spectrum of bilateral procedures.