fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa

matlab figure of the dispersion of a Gaussian pulse in a piece of fiber-compute the dispersion of a Gaussian pulse in a piece of fiber

matlab 做图中图，便于比较围观效果，在一个窗口中显示出来-matlab do figure drawing, to facilitate comparison onlookers effect, displayed in a window