jRidges is a module of jLab.

  jRidges:  Wavelet ridge analysis of modulated oscillatory signals
   Top-level functions
    ridgewalk  - Extract wavelet transform ridges, including bias estimates. 
    ridgemap   - Maps ridge quantities back onto the time series.            
    instmom    - Univariate and multivariate instantaneous moments.          
   Ridge utilities
    ridgelen   - Wavelet ridge length expressed as number of full cycles.    
    periodindex - Returns time index in increments of instantaneous period.  
   See also jEllipse, jWavelet.

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