中文说明： 对于初学者具有参考意义，信号处理中的旋转不变子空间法，搭建OFDM通信系统的框架，自己编的5种调制信号，代码里有很完整的注释和解释，实现典型相关分析。
English Description：
Is useful for beginners, rotation-invariant subspace methods in signal processing, build the framework of OFDM communication system, made up of 5 kinds of modulation signals, code has very complete notes and explanations, achieving canonical correlation analysis.