是学习PCA特征提取的很好的学习资料，关于神经网络控制，分析了该信号的时域、频域、倒谱，循环谱等,考虑雨衰 阴影 和多径影响，线性调频脉冲压缩的Matlab程序,研究生时的现代信号处理的作业。- Is a good learning materials to learn PCA feature extraction, On neural network control, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Consider shadow rain attenuation and multipath effects LFM pulse compression of the Matlab program, Modern signal processing jobs when the graduate.