Two-Dimensional Direction-of-Arrivals Estimation Based on One-Dimensional Search Using Rank Deficiency Principle

Algorithm 1

The proposed NSRD-MUSIC algorithm.

Require: : snapshots of received datum.

(1) Initiation: .

(2) for  ; ;   do

(3)   ;

(4) end for

(5) Compute .

(6) for each   do

(7)  Compute ;

(8)  Calculate by (25) or by (26);

(9) end for

(10) Find relating to the largest peaks of ;

(11) Insert into (27), (28) and compute by (32);

(12) Insert into (12) to obtain .

(13) return  : estimated azimuth and elevation angles.