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参数化频谱估计

Burg、Yule-Walker、协方差和修正协方差方法


使用基于自回归模型的参数化方法来估计频谱。

函数

估算器

findpeaksFind local maxima
pburgAutoregressive power spectral density estimate — Burg’s method
pcovAutoregressive power spectral density estimate — covariance method
pmcovAutoregressive power spectral density estimate — modified covariance method
pyulearAutoregressive power spectral density estimate — Yule-Walker method

dB转换

dbConvert energy or power measurements to decibels
db2magConvert decibels to magnitude
db2powConvert decibels to power
mag2dbConvert magnitude to decibels
pow2dbConvert power to decibels

主题

Parametric Methods

  • Learn about the Burg, Yule-Walker, covariance, and modified covariance methods of parametric spectral estimation.

用函数替换自回归 PSD 对象的语法

  • 用函数调用替换对自回归 psd 对象的调用。