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网络传感器阵列目标定距定向的影响因素研究

Keywords: 目标定向,声阵列,时延估计

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Abstract:

基于声阵列信号时延估计、双曲线目标定位方法,推导了平面任意三元阵目标定向、定距计算公式,并采用该公式对声传感器阵列定位应用中的时延估计误差、阵列孔径大小、阵元布放误差等因素造成的目标定距、定向误差进行了计算和分析研究.计算结果表明:在同样的初始误差条件下,采用大孔径阵列可以显著降低定距及定向误差,且定向精度的需求比较容易满足而定距精度的需求较难满足.

References

[1]  Wang Yabin, Jia Jingjing, Liu Mingjie. Research on acoustic localization algorithm based on dual four-element arrays[J]. Journal of Beijing Institute of Technology, 2009, 18(1):51-55.
[2]  李杰, 李哲, 陈文聪.机动目标被动声定位仿真研究[J].北京理工大学学报, 2004, 24(6):549-562. Li Jie, Li Zhe, Chen Wencong. Simulation of passive acoustic localization of moving targets[J]. Transactions of Beijing Institute of Technology, 2004, 24(6):549-562. (in Chinese)
[3]  Brandstein M S, Silverman H F. A practical methodology for speech localization with microphone arrays[J]. Computer Speech and Language, 1997, 2(11):91-126.
[4]  Russo F, Ramponi G. Fuzzy methods for multisensor data fusion[J]. IEEE Trans on Instrum Meas, 1994, 43(2):288-294.
[5]  张智明.网络化弹药目标探测与识别技术研究[D].北京:北京理工大学, 2007:23-33. Zhang Zhiming, Target detection and identifing technology of the networked submunitions[D]. Beijing: Beijing Institute of Technology, 2007:23-33. (in Chinese)
[6]  Li Mingjiang, Wang Chunlan, Cheng Zai. Application of virtual instrument in time delay signal analysis[J]. Applied Mechanics and Materials, 2011, 40-41:990-994.

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