包含特征值与特征向量的提取、训练样本以及最后的识别，对于初学matlab的同学会有帮助，搭建OFDM通信系统的框架，基于kaiser窗的双谱线插值FFT谐波分析，采用的是脉冲对消法，包含位置式PID算法、积分分离式PID，处理信号的时频分析。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Matlab for beginner students will help, Build a fr a mework OFDM communication system, Dual-line interpolation FFT harmonic analysis kaiser windows, It uses a pulse of consumer law, It contains positional PID algorithm, integral separate PID, When processing a signal frequency analysis.