Welch法谱估计和参数模型谱估计的MATLAB分析

Analysis of Welch method and parameter model spectrum estimation by MATLAB software

介绍了经典谱估计中的Welch法和参数模型谱估计,比较了它们的性能指标,运用MATLAB软件进行了实例仿真与分析,得出了一些有价值的结论。

In the power spectrum estimation methods, the amended periodic table presented by Welch and parameter model spectrum estimation are widely used. This paper gives an example to simulate them with MATLAB,analyzes these methods＇ performances and draws some useful conclusions.