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On Linear Least Squares Approach for Phase Estimation of Real Sinusoidal Signals Hing-Cheung SO Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E88-A No.12 pp.3654-3657 Publication Date: 2005/12/01 Online ISSN: DOI: 10.1093/ietfec/e88-a.12.3654 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Digital Signal Processing Keyword: phase estimation, least squares, sinusoidal signals, Full Text: PDF(368.7KB)>>
Summary: In this Letter, linear least squares (LLS) techniques for phase estimation of real sinusoidal signals with known or unknown amplitudes are studied. It is proved that the asymptotic performance of the LLS approach attains Cramér-Rao lower bound. For the case of a single tone, a novel LLS algorithm with unit-norm constraint is derived. Simulation results are also included for algorithm evaluation. | ||||||||||
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