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Estimation of LFM Signal's Time Parameters under the alpha-Stable Distribution Noise

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3 Author(s)
Guo-dong Gu ; Missile Inst., Air Force Eng. Univ., Sanyuan ; Yong-Shun Zhang ; Bo Tian

Under the alpha-stable distribution noise, gauss model's algorithms based on two order statistics degrade distinctly, even induce wrong results. To this question, an algorithm of fractional low-order covariance (FLOC) fractional spectrum estimation is presented to estimate the LFM signal's characteristic parameters in this paper. The algorithm settles the question of LFM signal's detection under the alpha-stable distribution noise. The simulation results indicate that the algorithm presented in this paper has better toughness under both gauss and the alpha-stable distribution noise.

Published in:

Testing and Diagnosis, 2009. ICTD 2009. IEEE Circuits and Systems International Conference on

Date of Conference:

28-29 April 2009