中文说明：
现代信号处理中谱估计在matlab中的使用，tuhrzmX参数单径或多径瑞利衰落信道仿真，双向PCS控制仿真，BP神经网络用于函数拟合与模式识别，hCxHWym条件包括主成分分析、因子分析、贝叶斯分析，使用混沌与分形分析的例程。
English Description：
In modern signal processing, spectrum estimation is used in MATLAB, single path or multi-path Rayleigh fading channel simulation with tuhrzmx parameters, two-way PCs control simulation, BP neural network for function fitting and pattern recognition, hcxhwym conditions include principal component analysis, factor analysis, Bayesian analysis, routine of chaos and fractal analysis.