Research Article

Direct Position Determination of Coherently Distributed Noncircular Sources

Algorithm 1

NCSDF-DPD algorithm.
Input:
Received signal:
Other Parameters: ;
Output:
(1) Construct the received signals and calculate extended
covariance matrix with the formula ,
(2) Determine the noise subspace using the eigenvalue decomposition of ;
(3) Calculate according to (23), then obtain and ;
(4) Determine the search interval of each parameter, and calculate
for each ;
(5) Calculate and according to (25);
(6) Evaluate according to (26), then determine the target position using