Computer Science ›› 2015, Vol. 42 ›› Issue (1): 257-260.doi: 10.11896/j.issn.1002-137X.2015.01.057

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Feature Extraction of Ballistic Midcourse Target Based on HRRP

ZHAO Zhen-chong, WANG Xiao-dan, BI Kai and XING Ya-qiong   

  • Online:2018-11-14 Published:2018-11-14

Abstract: This paper first researched the precessional features of midcourse target and its HRRP in different radar posture angles and presented a new projective length abstract method.Based on the peak of the scattering center,this method makes the HRRP present a oscillation phenomenon on this account to abstract scattering center accurately.On this basis,this paper analysed the projective length with precessional motion and presented a new feature abstraction method on precessional angle and the length of the target.Simulation shows that the two methods can work accurately.

Key words: Ballistic targets,HRRP,Feature extraction

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