| 直升机目标被动声跟踪算法及其仿真研究 |
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| 引用本文： | 孙建伟,谭惠民,胡昌振. 直升机目标被动声跟踪算法及其仿真研究[J]. 信号处理, 1999, 0(4) |
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| 作者姓名： | 孙建伟 谭惠民 胡昌振 |
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| 作者单位： | 北京理工大学机电工程系 |
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| 摘 要： | 本文提出了包含多普勒和声传播时间延迟的接收信号模型；提出了在直升机目标做匀速直线运动的条件下，将声基阵获得的测向信息与多普勒频移信息融合，估计目标运动参数的算法，并用蒙特卡罗方法分析了该算法的估计精度；仿真结果表明该算法可实现较高的估计精度，测距精度满足实用要求；最后研究了应用该算法的自适应跟踪问题．
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Research on the Algorithm and Simulation of Passive Acoustic Tracking of a Helicopter |
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| Sun Jianwei Tan Huimin Hu Changzhen. Research on the Algorithm and Simulation of Passive Acoustic Tracking of a Helicopter[J]. Signal Processing(China), 1999, 0(4) |
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| Authors: | Sun Jianwei Tan Huimin Hu Changzhen |
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| Affiliation: | Beijing Institute of Technology |
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| Abstract: | In this paper, a model of received signal compounding Doppleer-frepuency- shift and time delay in sound distribution is presented. Under the condition that a helicopter is moving at a consent sped. the paper develops a new method to estimate the range and sped of the target by fusing the measusred directions and Doppler-shift frequencies. The property of the algorithm is analyzed using the Monte-Carlo method. At last an adaptive tactics applying the algorithm in tracking target is presented' Results of the simulation have proved their efficiency |
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| Keywords: | Passive acoustic detection Doppler-shift frequency Direction estimation |
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