Iranian Journal of Electrical and Electronic Engineering
Iran University of Science and Technology
Mon, Dec 23, 2024
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Volume 4, Issue 4 (October 2008)
IJEEE 2008, 4(4): 140-140 |
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M. R. Moniri, M. M. Nayebi, A. Sheikhi. Adaptive Signal Detection in Auto-Regressive Interference with Gaussian Spectrum. IJEEE 2008; 4 (4) :140-140
URL: http://ijeee.iust.ac.ir/article-1-81-en.html
URL: http://ijeee.iust.ac.ir/article-1-81-en.html
Abstract: (11211 Views)
A detector for the case of a radar target with known Doppler and unknown
complex amplitude in complex Gaussian noise with unknown parameters has been derived.
The detector assumes that the noise is an Auto-Regressive (AR) process with Gaussian
autocorrelation function which is a suitable model for ground clutter in most scenarios
involving airborne radars. The detector estimates the unknown parameters by Maximum
Likelihood (ML) estimation for the use in the Generalized Likelihood Ratio Test (GLRT).
By computer simulations, it has been shown that for large data records, this detector is
Constant False Alarm Rate (CFAR) with respect to AR model driving noise variance. Also,
measurements show the detector excellent performance in a practical setting. The detector’s
performance in various simulated and actual conditions and the result of comparison with
Kelly’s GLR and AR-GLR detectors are also presented.
Type of Study: Research Paper |
Received: 2008/12/22 | Revised: 2011/07/09 | Accepted: 2011/07/09
Received: 2008/12/22 | Revised: 2011/07/09 | Accepted: 2011/07/09
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