中文说明：重要参数的提取，BP神经网络用于函数拟合与模式识别，包含CV、CA、Single、当前、恒转弯速率、转弯模型，最终的权值矩阵就是滤波器的系数，包括脚本文件和函数文件形式，对信号进行频谱分析及滤波。
English Description：
Extraction of important parameters and BP neural network for function approximation and pattern recognition, including CV, CA, single, current, constant turning rate, turn model, final weight matrix is that of the filter coefficients, including scripts and functions file form, the signal spectrum analysis and filtering.