Abstract
In this paper, frequency estimation of a two-dimensional (2D) cisoid in the presence of additive white Gaussian noise is addressed. By utilizing the rank-one property of the 2D noise-free data matrix, the frequencies are estimated in a separable manner from the principal left and right singular vectors according to an iterative weighted least squares procedure. We have also derived the mean and variance expressions for the frequency estimates, which show that they are approximately unbiased and their accuracy achieves Cramér-Rao lower bound (CRLB) at sufficiently high signal-to-noise ratio conditions. Computer simulation results are included to corroborate the theoretical development as well as to contrast the performance of the proposed algorithm with the weighted phase averager and iterative quadratic maximum likelihood method as well as CRLB. ©2010 IEEE.
| Original language | English |
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| Title of host publication | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings |
| Pages | 3882-3885 |
| DOIs | |
| Publication status | Published - 2010 |
| Event | 2010 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2010 - Dallas, United States Duration: 14 Mar 2010 → 19 Mar 2010 https://ieeexplore.ieee.org/xpl/conhome/5487364/proceeding |
Publication series
| Name | |
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| ISSN (Print) | 1520-6149 |
Conference
| Conference | 2010 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2010 |
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| Place | United States |
| City | Dallas |
| Period | 14/03/10 → 19/03/10 |
| Internet address |
Research Keywords
- Frequency estimation
- Two-dimensional parameter estimation
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