感应双馈发电机系统的仿真，matlab开发工具箱中的支持向量机，信号处理中的旋转不变子空间法，复化三点Gauss-lengend公式求pi，用于时频分析算法，BP神经网络用于函数拟合与模式识别。- Simulation of doubly fed induction generator system, matlab development toolbox support vector machine, Signal Processing ESPRIT method, Complex of three-point Gauss-lengend the Formula pi, For time-frequency analysis algorithm, BP neural network function fitting and pattern recognition.