子空间方法

频率和伪频谱估计、多信号分类 (MUSIC)、根 MUSIC

使用多信号分类 (MUSIC) 算法和其他基于子空间的方法获得高分辨率频率估计。

函数

`peig`	Pseudospectrum using eigenvector method
`pmusic`	Pseudospectrum using MUSIC algorithm
`rooteig`	Frequency and power content using eigenvector method
`rootmusic`	Root MUSIC algorithm

MUSIC and Eigenvector Analysis Methods
The pmusic and peig functions provide two related spectral analysis methods:
Frequency Estimation by Subspace Methods
Resolve closely spaced sinusoids using the MUSIC algorithm.