部分实现了追踪测速迭代松弛算法，汽车课设货车Matlab驱动力图程序，分析了该信号的时域、频域、倒谱，循环谱等。- Partially achieved tracking speed iterative relaxation algorithm, Car class-based truck driver trying to Matlab program, Analysis of the signal time domain, frequency domain, cepstrum, cyclic