本文主要介绍了功率谱估计中古典谱估计中的周期图法和现代谱估计中的

AR模型Burg算法，对这两种算法进行了原理说明，并对其进行了仿真，通过结果分析比较其优缺点。

-In this paper, power spectral estimate the Burg AR model algorithm in the the periodogram in classical spectral estimation method and the modern spectral estimation, the principle descr iption of these two algorithms and compare their excellent analysis of simulation results shortcomings.