现代信号处理中谱估计在matlab中的使用，仿真效果非常好，处理信号的时频分析，到达过程是的泊松过程，包括回归分析和概率统计，进行逐步线性回归。- Modern signal processing used in the spectral estimation in matlab, Simulation of the effect is very good, When processing a signal frequency analysis, Arrival process is a Poi