Estimation of DOA for Noncircular Signals via Vandermonde Constrained Parallel Factor Analysis

Algorithm 1

The Vandermonde constrained PARAFAC algorithm for NC signals DOA estimation.

Step 1. Construct the tensor model with the matrix representation by exploiting the property of NC signals.

Step 2. Choose the pair () subject to and construct the matrix representation via spatial smoothing.

Step 3. Perform the compact SVD of .

Step 4. Construct , .

Step 5. Perform the EVD of , with generators , .

Step 6. Compute , .