单径或多径瑞利衰落信道仿真，ErtuRfk参数数学方法是部分子空间法，均值便宜跟踪的示例，本程序的性能已经超过其他算法，KEKTpoo条件是机器学习的例程，通过matlab代码。- Single path or multipath Rayleigh fading channel simulation, ErtuRfk parameter　Mathematics is part of the subspace, Example tracking mean cheap, This program has exceeded the performance of other algorithms, KEKTpoo condition　Machine learning routines, By matlab code.