Acoustic Information-based TMA Method for Uniformly Accelerating Motion of Target

doi:10.3969/j.issn.1000-1093.2019.08.018

Abstract

Abstract: The most research on target motion analysis (TMA ) of underwater target is based on the hypothesis of uniform motion of a target, but is seldomly based on the hypothesis of uniformly accelerating motion. An innerpoint-Levenberg-Marquard (LM) method of calculating TMA parameters without the motion of observation platform is proposed. And an optimization searching method for TMA parameters is proposed, which combines the Doppler effect double model and the solving method of TMA parameters. It makes the solving process of parameters converge quickly. Simulated result shows that the inner-point LM method can be used to solve the TMA parameters effectively and reduce the dependence on the motion observation platform. Key

Key words: targetmotionanalysis, soundcharacteristic, Dopplereffect, instantaneousfrequency, azimuth

CLC Number:

TB566

JU Yang， YUAN Yonghu， LIN Wei， XU Haisheng. Acoustic Information-based TMA Method for Uniformly Accelerating Motion of Target[J]. Acta Armamentarii, 2019, 40(8): 1688-1692.

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第40卷
第8期2019 年8月兵工学报ACTA
ARMAMENTARIIVol.40No.8Aug.2019

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