中文说明：计算一维光子晶体的透射特性和反射特性，现代信号处理中谱估计在matlab中的使用，旋转机械二维全息谱计算的实用例程，给出接收信号眼图及系统仿真误码率，主要为数据分析和统计，意信号卷积的运算,并且绘制图象。
English Description：
Transmission properties of one-dimensional Photonic Crystal and reflection characteristics of modern spectral estimation using MATLAB in signal processing, calculation of two-dimensional holospectrum in rotating machinery and practical routines, eye-diagram and system simulation of bit error rate of the received signal is given, mainly for data analysis and statistics, signal convolution operation, and draw the images.