Menu for the package stsdas.analysis.fourier

       autocorr - Autocorrelate an image.
         carith - Multiply or divide complex images.
       crosscor - Cross-correlate two images.
         factor - Display prime factors of a number.
      fconvolve - Convolve two images.
        forward - Compute forward Fourier transform of an image.
      frompolar - Convert amplitude & phase to real & imaginary parts.
        inverse - Compute inverse Fourier transform of an image.
     listprimes - Display first N prime numbers.
      powerspec - Compute the power spectrum of an image.
          shift - Shift an image by a specified number of pixels.
      taperedge - Apply a cosine bell or linear taper to image edges.
        topolar - Convert real & imaginary parts to amplitude & phase.


(Type "help fourier option=sysdoc" for general information 
about the 'fourier' package).