A New Computing Paradigm for Off-Grid Direction of Arrival Estimation Using Compressive Sensing

Algorithm 1

Proposed Algorithm.

SetInitial grid resolution of 1°

  Calculate the over complete dictionary

  Select fitness function equal zero

  Estimate regularization term using GCV

While ()

  Estimate according to Equation (13)

  Calculate according to Equation (15)

  Change grid resolution

  Calculate dictionary

  Estimate

  Calculate

end while

Output: