Two-stage Real-time Track Correlation Algorithm Based on Gray Correlation

doi:10.3969/j.issn.1000-1093.2020.07.010

Abstract

Abstract: For the multi-mode composite seeker, the track correlation mistakes tend to happen using the traditional track correlation algorithms when the tracks of multiple targets cross. A novel two-stage real-time track correlation algorithm is proposed based on the gray correlation degree. A gray correlation coefficient matrix is formed by the gray correlation degree between tracks, and the calculation of gray correclation is modified according to the characteristic of track correlation. The gray correlation coefficient matrix is modified by a two-stage track correlation discrimination using the similarity of the overall motions of target tracks and the local property during the latest period of current time. Finally, the maximum criterion of gray correlation degree is exploited to obtain the track correlation pair. The simulated results show that the proposed algorithm can be used to correctly correlate the tracks when the sensors obtain wrong track data due to track crossing or target jamming. Key

Key words: compositeseeker, two-stagetrackcorrelation, graycorrelationdegree, maximumcriterion

CLC Number:

JIN Bingyang, LIU Zheng, QIN Jikai. Two-stage Real-time Track Correlation Algorithm Based on Gray Correlation[J]. Acta Armamentarii, 2020, 41(7): 1330-1338.

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第41卷第7期2020 年7月
兵工学报ACTA ARMAMENTARII
Vol.41No.7Jul.2020

[1]	HUANG Wei, XU Jian-cheng, WU Hua-xing, LI Jun-bing. Missile Formation Guidance Algorithm Independent of Data Communication [J]. Acta Armamentarii, 2018, 39(5): 910-918.
[2]	LI Bo， HAN Yue， DING Xiang， LI Xi-tong. Radar and Infrared Compound Guidance Method for Air-to-ground Missile Attacking Ground Group Target [J]. Acta Armamentarii, 2018, 39(5): 919-926.