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A Fast Generalized Likelihood Ratio Test for Single-Sinusoid Detection

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1 Author(s)
Klein, J.D. ; ATK Mission Res., Monterey, CA

In this paper a new algorithm for detection of a single complex sinusoid ("cisoid") in white noise is presented. The frequency, phase and amplitude of the cisoid are assumed to be unknown. It is shown that a byproduct of a new class of fast single-cisoid frequency estimation algorithms can replace an MLE-derived quantity in the standard generalized likelihood ratio test (GLRT). This leads to much lower computational cost than the standard GLRT. The price paid is a small increase in the SNR required for effective operation.

Published in:

Signals, Systems and Computers, 2006. ACSSC '06. Fortieth Asilomar Conference on

Date of Conference:

Oct. 29 2006-Nov. 1 2006