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Last modified: Wed Dec 20 10:37:44 2023.


Directory Listing of Routines


Routine Descriptions

SPD_MTM_BPL_FUN

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 :Description:
   Bending Power Law (BPL) function values at the given frequencies
   with the bpl_par parameters.

 :Params:
   INPUTS:
           f - frequency vector
     bpl_par - bending power law parameters:
               bpl_par[0] --> c, constant factor
               bpl_par[1] --> beta, spectral index
               bpl_par[2] --> gamma, spectral index
               bpl_par[3] --> fb, frequency break
   OUTPUTS:
      bplfun - bending power law function

 :Author:
     Simone Di Matteo, Ph.D.
     8800 Greenbelt Rd
     Greenbelt, MD 20771 USA
     E-mail: simone.dimatteo@nasa.gov  

(See general/science/spd_mtm/models/bpl/spd_mtm_bpl_fun.pro)


SPD_MTM_BPL_LGLK

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 :Description:
   Evaluate the log-likelihood of
   the bending power law (BPL) PSD model.

 :Params:
   INPUTS:
         bpl_par - bending power law PSD parameters

   OUTPUTS:
               M - log-likelihood

   COMMON VARIABLES:
     max_lklh
          psd_ml - PSD for the maximum likelihood model fit
           ff_ml - frequency vector for the maximum likelihood model fit
        alpha_ml - half degree of freedom of the PSD at each frequency

 :Uses:
     spd_mtm_bpl_norm.pro
     spd_mtm_bpl_fun.pro
 
 :Author:
     Simone Di Matteo, Ph.D.
     8800 Greenbelt Rd
     Greenbelt, MD 20771 USA
     E-mail: simone.dimatteo@nasa.gov  

(See general/science/spd_mtm/models/bpl/spd_mtm_bpl_lglk.pro)


SPD_MTM_BPL_NORM

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 :Description:
   Constant normalization factor for the BPL model estimated with
   the maximum likelihood theoretical solution.

 :Params:
   INPUTS:
          ff - Fourier frequencies vector
     bpl_par - bending power law parameters:
               bpl_par[0] --> beta, spectral index
               bpl_par[1] --> gamma, spectral index
               bpl_par[2] --> fb, frequency break
               
         bet - spectral index
          ff - Fourier frequencies vector
         psd - power spectral density
       alpha - half degree of freedom of Smtm for each frequency

   OUTPUTS:
           c - constant factor

 :Author:
     Simone Di Matteo, Ph.D.
     8800 Greenbelt Rd
     Greenbelt, MD 20771 USA
     E-mail: simone.dimatteo@nasa.gov

(See general/science/spd_mtm/models/bpl/spd_mtm_bpl_norm.pro)