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:: Volume 5, Issue 2 (3-2019) ::
2019, 5(2): 23-41 Back to browse issues page
Target Detection in Bistatic Passive Radars by Using Adaptive Processing Based on Correntropy Cost Function
Seyed Vahab Shojaedini * , Alireza Goldar
Iranian Research Organization for Science and Technology , shojadini@irost.ir
Abstract:   (11636 Views)

In this paper a novel method is introduced for target detection in bistatic passive radars which uses the concept of correntropy to distinguish correct targets from false detections. In proposed method the history of each cell of ambiguity function is modeled as a stochastic process. Then the stochastic processes consist the noise are differentiated from those consisting targets by constructing an FIR adaptive filter. A cost function which is based on correntropy is utilized to update the filter. The performance of the proposed method is evaluated by simulation in presence of rapid and slow moving targets. The obtained results shows the superiority of the proposed method compared to its alternatives in such manner that it detects rapid targets at least 18.7 and 20.1 percent better than HOSCM and PFCM. Furthermore it detects slow targets 19.3 and 21.4 percent better than those alternatives, all in presence of maximum noise (i.e. SCNR=-30dB). 

Keywords: Bistatic passive Radar, Ambiguity Function, Delay, Doppler, Noise, Adaptive Processing, Correntropy
Full-Text [PDF 1664 kb]   (1143 Downloads)    
Type of Study: Applicable | Subject: Digital Signal Processing
Received: 2017/09/4 | Accepted: 2018/10/4 | Published: 2019/07/3
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Shojaedini S V, Goldar A. Target Detection in Bistatic Passive Radars by Using Adaptive Processing Based on Correntropy Cost Function. Nonlinear Systems in Electrical Engineering 2019; 5 (2) :23-41
URL: http://journals.sut.ac.ir/jnsee/article-1-152-en.html


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Volume 5, Issue 2 (3-2019) Back to browse issues page
سامانه های غیرخطی در مهندسی برق Journal of Nonlinear Systems in Electrical Engineering
نشریه سامانه‌های غیرخطی در مهندسی برق در خصوص اصول اخلاقی انتشار مقاله، از توصیه‌های «کمیته بین‌المللی اخلاق نشر» موسوم به COPE و «منشور و موازین اخلاق پژوهش» مصوب معاونت پژوهش و فناوری وزارت علوم، تحقیقات و فناوری تبعیت می‌کند.
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