包括随机梯度算法，相对梯度算法，阐述了负荷预测的应用研究,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Including stochastic gradient algorithm, the relative gradient algorithm, It describes the application of load forecasting, ofdm system simulation including 16qam modulation fft windowing