三维运动声阵列对双点声源角跟踪指向性能研究

doi:10.3969/j.issn.1000-1093.2012.05.003

摘要/Abstract

摘要： 为了研究三维运动声阵列对真实目标在双点声源干扰下的二维角跟踪指向问题，分析了多点声源干扰的基本原理，建立了运动声阵列在双点声源下的角度跟踪指向性能数学模型；根据干扰目标与跟踪目标的声信号特性差异，分析了运动声阵列抗点声源干扰时的角度跟踪性能，得到了运动声阵列角度跟踪指向与干扰因素之间的关系；基于等功率双点声源辐射的假设下，建立了运动声阵列抗点声源干扰的角度跟踪指向评价指标，为进一步研究运动声阵列对多源声目标跟踪理论奠定了基础。

关键词: 信息处理技术, 三维运动声阵列, 角跟踪, 双点声源, 指向性能, 角度干扰指数

Abstract: In order to study the angle tracking problem of 3D dynamic acoustic array for two-dimensional acoustic target under the interference of point acoustic source, the basic principle of multi-source interference was analyzed, and a mathematical model of angle tracking pointing performance of dynamic acoustic array under the interference of dual acoustic sources was established. The angle tracking pointing performance of dynamic acoustic array under the interference of point acoustic source was analyzed based on the acoustic signal characteristic difference between Pseudo target and real target, so the relationship between its angle tracking pointing performance and the interference factors were obtained. Finally, the evaluation indicator of angle tracking pointing performance under the interference of point acoustic source also was established based on the hypothesis of equal power under the interference of dual acoustic sources .

Key words: information processing, 3D dynamic acoustic array, angle tracking, dual acoustic source, pointing performance, angle deflection index

中图分类号:

TB52

刘亚雷，顾晓辉. 三维运动声阵列对双点声源角跟踪指向性能研究[J]. 兵工学报, 2012, 33(5): 526-533.

LIU Ya-lei， GU Xiao-hui. Research on the Angle Tracking Pointing Performance of 3D Dynamic Acoustic Array Based onDual Acoustic Sources[J]. Acta Armamentarii, 2012, 33(5): 526-533.

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