Passive Sonar Target Motion Analysis Based on Line-spectrum Instantaneous Frequency Estimation

doi:10.3969/j.issn.1000-1093.2017.07.018

Abstract

Abstract: A new target motion analysis method based on line-spectrum instantaneous frequency estimation for passive sonar feature information is studied. The proposed algorithm combines high-accuracy instantaneous frequency tracking with target motion analysis using the target feature information to extract high-accuracy Doppler frequency and calculate the motion parameters of targets quickly. Computer simulation and sea-trial results show that the method can be used to solve the target motion analysis problem without own ship maneuver. It can reduce the calculation convergence time more than four minutes under the same maneuvering conditions. Key

Key words: informationprocessingtechnology, targetfeatureinformation, targetmotionanalysis, motionfeatureextraction, passivelocation

CLC Number:

TB566

LI Guan-fang, CUI Jie, YUAN Fu-yu. Passive Sonar Target Motion Analysis Based on Line-spectrum Instantaneous Frequency Estimation[J]. Acta Armamentarii, 2017, 38(7): 1395-1401.

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第38卷
第7期2017 年7月兵工学报ACTA
ARMAMENTARIIVol.38No.7Jul.2017

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