多抽样率信号处理，仿真效率很高的，复化三点Gauss-lengend公式求pi，插值与拟合，解方程，数据分析，有较好的参考价值，基于人工神经网络的常用数字信号调制，模式识别中的bayes判别分析算法，可以广泛的应用于数据预测及数据分析。- Multirate signal processing, High simulation efficiency, Complex of three-point Gauss-lengend the Formula pi, Interpolation and fitting, solution of equations, data analysis, There are good reference value, The commonly used digital signal modulation based on artificial neural network, Pattern Recognition bayes discriminant analysis algorithm, Can be widely used in data analysis and forecast data.