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

给出五种常用小波基的时域和频域波形图及matlab代码。-Five commonly used wavelet basis is given time domain and frequency domain waveform and Matlab code.

描述了matlab基础功能和基础代码的编写，对信号在时域和频域的特点进行分析，并介绍了几种采样方法-Describe the basic function and matlab code to write, on the characteristics of signal in time domain and frequency domain analysis, and sampling method are introduced

产生OFDM Chirp波形，包括时域表示和频域表示，用于mimo雷达，且附有参考文献，里面有波形的时频域表示，以便进一步研究(this matlab code files were used to produce ofdm chirp waveform which used in mimo radar,the waveform are representation in time domain and frequency domain.furthermore,the references ar