Main Content

Subspace Methods

Frequency and pseudospectrum estimates, multiple signal classification (MUSIC), root MUSIC

Obtain high-resolution frequency estimates using the multiple signal classification (MUSIC) algorithm and other subspace-based methods.


peigPseudospectrum using eigenvector method
pmusicPseudospectrum using MUSIC algorithm
rooteigFrequency and power content using eigenvector method
rootmusicRoot 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.

Subspace Pseudospectrum Object to Function Replacement Syntax

Replace calls to subspace pseudospectrum objects with function calls.