Volume 26, Issue 2 (1-2008)
2008, 26(2): 53-65 |
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M. Ghaffari, M.R. Taban, M.M. Nayebi, and G. Mirjalily. Radar Signal Detection in K-distributed Clutter by Pade Approximation. Journal of Advanced Materials in Engineering (Esteghlal) 2008; 26 (2) :53-65
URL: http://jame.iut.ac.ir/article-1-435-en.html
URL: http://jame.iut.ac.ir/article-1-435-en.html
Abstract: (6918 Views)
In this paper, two suboptimum detectors are proposed for coherent radar signal detection in K-distributed clutter. Assuming certain values for several initial moments of clutter amplitude, the characteristic function of the clutter amplitude is approximated by a limited series. Using the Pade approximation, it is then converted to a rational fraction. Thus, the pdf of the clutter amplitude is obtained as a sum of simple exponential functions. Using such a pdf, we develop the suboptimum detectors PGLR and PAALR, which are simplified forms of the GLR and AALR. Computer simulations show that the suggested detectors have appropriate performance compared to OLD, GLR and AALR detectors.
