• BYU/MERS SIR image format Documentation and source
  Readers and geometry projection code for the BYU/MERS SIR file format.
• Signal Reconstruction Documentation and Source (in Matlab)
  Accompanies D.G. Long and R.O.W. Franz, "Band-Limited Signal Reconstruction from Irregular Samples with Variable Apertures," IEEE Transactions on Geoscience and Remote Sensing, to appear, doi:10.1109/TGARS.215.2501366, 2016.
• ASCAT Software
  Reader for ASCAT SZF files and code to compute the ASCAT Spatial Response Function (SRF).
• BYU high resolution wind readers Source Code
  Readers BYU UHR wind and sigma-0 files.
• LongLib22 and Longlib93 The LongLib graphics library
  Vector and line drawing package for terminals, printers, and pixel arrays.
• Phase unwrapping demo program (in C)
  Described in D. G. Long, "Exact Computation of the Unwrapped Phase of a Finite-Length Time Series," IEEE Transactions on Acoustics, Speech, and Signal Processing, Vol. 36, No. 11, pp. 1787-1790, Nov. 1988. (353 kB PDF*)
• Discrete Hilbert transform signal analysis for instanteous frequency computation:
  D.G. Long, "Comments on Hilbert Transform-Based Signal Analysis," MERS 04-001, 3 Feb. 2004. (279 kB PDF*).
  Matlab routines: discrete Hilbert transform-based instanteous frequency function dHif.m and demo script for dHif.m
• On-Line documentation for Perl (dated)
• On-Line documentation for standard C (dated)
• Additional software available from the SCP web site: ftp.scp.byu.edu/software

*note: selected PDF files are provided as a convenient public service under fair-use copyright restrictions. Copyright is retained by the original owner.