Compressed Sensing-Based Range-Doppler Processing Method for Passive Radar

Algorithm 1

Pseudocode of modified MMV-OMP algorithm for Doppler reconstruction.

Input:  surveillance signal

     dictionary

     sparsity

     residual threshold

Initialize: iteration count

     residual matrix

     estimate support collection

     coefficient matrix

While   or do

     (Identification)

     , where is

     the column index of the largest element in

     (Update Index Support) ;

     (Estimation) , where

     represents the pseudo-inverse of the matrix,

     ,

     (Update Residual)

     .

Output  coefficient matrix

End