QIU Tianshuang   

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Paper Publications

Title of Paper:稳定分布噪声下基于粒子滤波的双站伪多普勒定位方法

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Date of Publication:2016-01-25

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD

Volume:37

Issue:1

Page Number:28-34

ISSN No.:1000-436X

Key Words:稳定分布噪声;粒子滤波;双站定位;伪多普勒;测向

Abstract:传统的伪多普勒测向算法在高信噪比和高斯噪声环境下能较为精确地计算出到达方位角,但对于稳定分布噪声的顽健性较差.针对以上不足,提出了一种基于粒子滤波的双站伪多普勒定位方法.用粒子滤波对2个接收机的来波方位角进行联合估计,并通过非线性映射得到信源位置坐标估计,实现了方位角计算与双站定位的集成.仿真实验表明,当稳定分布参数α为1.4(中等脉冲程度)时,所提方法在低信噪比下的顽健性要显著优于传统方法,在高信噪比时估计精度与传统方法相当;当信噪比为10dB时,所提方法在α<1.9的情况下定位精度远高于传统方法.

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