The following publications are possibly variants of this publication:
- Estimating two-dimensional frequencies by matrix enhancement and matrix pencilYingbo Hua. icassp 1991: 3073-3076 [doi]
- Correction to "Estimating two-dimensional frequencies by matrix enhancement and matrix pencil"Yingbo Hua, Farhan A. Baqai. tsp, 42(5):1288, 1994. [doi]
- High SNR perturbation in single 2-D frequency estimate using matrix pencilY. Hua, H. Yang. tsp, 43(5):1291-1292, 1995. [doi]
- Matrix Pencil Methods for 2-d Frequency EstimationFarhan A. Baqai, Yingbo Hua, Howard Hua Yang. jcsc, 6(3):187-196, 1996. [doi]