分析了该信号的时域、频域、倒谱，循环谱等,包含CV、CA、Single、当前、恒转弯速率、转弯模型，BP神经网络用于函数拟合与模式识别。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. It contains CV, CA, Single, current, constant turn rate, turning model, BP neural network function fitting and pattern recognition.