| 基于最大似然的GPS转发式干扰信号估计方法 |
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| 引用本文： | 刘慧越,张爱勇,唐斌.基于最大似然的GPS转发式干扰信号估计方法[J].全球定位系统,2010,35(3):10-13. |
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| 作者姓名： | 刘慧越 张爱勇 唐斌 |
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| 作者单位： | 北京5136信箱,北京,100094 |
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| 摘 要： | 估计GPS接收机的转发式干扰，对抗干扰研究具有重要意义。利用多径估计理论，提出了一种新的基于最大似然估计的GPS转发式干扰信号估计技术。阐述了转发式干扰的原理，建立了GPS接收机对转发式干扰信号相干积分累加的数学模型，推导了转发式干扰最大似然估计的计算公式。仿真实验表明：该技术可以在有色噪声条件下，对多个转发式信号进行较精确的估计。
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| 关 键 词： | 转发式干扰 相干积分累加 最大似然估计 |
Research of GPS Repeater Jamming Estimation Based on Maximum Likelihood Estimation |
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| LIU Hui-yue,ZHANG Ai-yong,TANG Bin.Research of GPS Repeater Jamming Estimation Based on Maximum Likelihood Estimation[J].Gnss World of China,2010,35(3):10-13. |
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| Authors: | LIU Hui-yue ZHANG Ai-yong TANG Bin |
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| Institution: | LIU Hui-yue,ZHANG Ai-yong,TANG Bin(Unit 61081 of PLA Beijing,Beijing 100094,China) |
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| Abstract: | Research of GPS repeater jamming estimation plays an important role in modern military affairs.Making use of the theory of multipath estimation,a new method based on maximum likelihood estimation(MLE) to estimate transmission jamming signal is put forward.The theory of repeater jamming is explained.The mathematic model of coherent integration for repeater jamming signal is set up.The calculation functions of maximum likelihood estimation(MLE) to estimate repeater jamming signal are deduced.Experimental resu... |
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| Keywords: | Repeater jamming coherent integration maximum likelihood estimation |
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