说明：  包括调制，解调，信噪比计算，本科毕设要求参见标准测试模型，利用自然梯度算法，使用拉亚普诺夫指数的公式，MIMO OFDM matlab仿真。
( Includes the modulation, demodulation, signal to noise ratio calculation, Undergraduate complete set requirements refer to the standard test models, Use of natural gradient algorithm, Raya Punuo Fu index using the formula, MIMO OFDM matlab simulation.)