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融合多普勒频移信息的阵列数据域直接定位方法

王大鸣 任衍青 逯志宇 巴斌 崔维嘉

王大鸣, 任衍青, 逯志宇, 巴斌, 崔维嘉. 融合多普勒频移信息的阵列数据域直接定位方法[J]. 电子与信息学报, 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608
引用本文: 王大鸣, 任衍青, 逯志宇, 巴斌, 崔维嘉. 融合多普勒频移信息的阵列数据域直接定位方法[J]. 电子与信息学报, 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608
WANG Daming, REN Yanqing, LU Zhiyu, BA Bin, CUI Weijia. Array-based Direct Position Determination Method Fusing Doppler Frequency Shift Information[J]. Journal of Electronics and Information Technology, 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608
Citation: WANG Daming, REN Yanqing, LU Zhiyu, BA Bin, CUI Weijia. Array-based Direct Position Determination Method Fusing Doppler Frequency Shift Information[J]. Journal of Electronics and Information Technology, 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608

融合多普勒频移信息的阵列数据域直接定位方法

doi: 10.11999/JEIT170608
基金项目: 

国家自然科学基金(61401513),国家高技术研究发展计划(2012AA01A502, 2012AA01A505)

Array-based Direct Position Determination Method Fusing Doppler Frequency Shift Information

Funds: 

The National Natural Science Foundation of China (61401513), The National High Technology Research and Development Program of China (2012AA01A502, 2012AA01A505)

  • 摘要: 相比于传统两步定位方法,直接定位方法具有更高的定位精度,但现有的基于阵列模型的直接定位方法未能够有效利用多普勒频移信息,其定位精度有待进一步提升。针对上述问题,该文提出一种融合多普勒频移信息的阵列数据域直接定位方法。首先构建了融合多普勒信息的直接定位模型,然后基于最大似然准则将信号源位置估计转化为求解位置信息矩阵最大特征值问题,并结合矩阵转置性质降低复杂度,最后通过2维搜索得到目标信号源位置估计。仿真结果表明,所提方法较目前的阵列数据域直接定位方法和多普勒频移直接定位方法的定位精度具有较大提高。
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出版历程
  • 收稿日期:  2017-06-26
  • 修回日期:  2018-02-24
  • 刊出日期:  2018-05-19

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