Research Article

Tensor-Based Methods for Blind Spatial Signature Estimation in Multidimensional Sensor Arrays

Algorithm 2

Summary of the ALS-ProKRaft algorithm.
; Initialize .
()  According to (25), obtain and from the SVD
  of the multimode unfolding matrix .
()  ;
()  According to (26), obtain estimates for for
  by applying the multidimensional LS-KRF algorithm on
  .
()  According to (29), compute the SVD for the matrix
  
  and obtain .
()  Repeat Steps ()–() until convergence.