首页|Radar false alarm plots elimination based on multi-feature extraction and classification
Radar false alarm plots elimination based on multi-feature extraction and classification
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Caused by the environment clutter,the radar false alarm plots are unavoidable.Suppressing false alarm points has always been a key issue in Radar plots procession.In this paper,a radar false alarm plots elimination method based on multi-feature extraction and classification is proposed to effectively eliminate false alarm plots.Firstly,the density based spatial clustering of applications with noise(DBSCAN)algorithm is used to cluster the radar echo data processed by constant false-alarm rate(CFAR).The multi-features including the scale features,time domain features and transform domain features are extracted.Secondly,a feature evaluation method combining pearson correlation coefficient(PCC)and entropy weight method(EWM)is proposed to evaluate interrelation among features,effective feature combination sets are selected as inputs of the classifier.Finally,False alarm plots classified as clutters are eliminated.The experimental results show that proposed method can eliminate about 90％false alarm plots with less target loss rate.
radar plots eliminationdensity based spatial clustering of applications with noisemulti-feature extractionclassifier
Cheng Yi、Zhao Yan、Yin Peiwen
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School of Control Science and Engineering,Tiangong University,Tianjin 300387,China
Tianjin Key Laboratory of Intelligent Control of Electrical Equipment,Tianjin 300387,China
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