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融合多普勒頻移信息的陣列數(shù)據(jù)域直接定位方法

王大鳴 任衍青 逯志宇 巴斌 崔維嘉

王大鳴, 任衍青, 逯志宇, 巴斌, 崔維嘉. 融合多普勒頻移信息的陣列數(shù)據(jù)域直接定位方法[J]. 電子與信息學(xué)報(bào), 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608
引用本文: 王大鳴, 任衍青, 逯志宇, 巴斌, 崔維嘉. 融合多普勒頻移信息的陣列數(shù)據(jù)域直接定位方法[J]. 電子與信息學(xué)報(bào), 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 & 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 & Information Technology, 2018, 40(5): 1219-1225. doi: 10.11999/JEIT170608

融合多普勒頻移信息的陣列數(shù)據(jù)域直接定位方法

doi: 10.11999/JEIT170608
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61401513),國(guó)家高技術(shù)研究發(fā)展計(jì)劃(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: 相比于傳統(tǒng)兩步定位方法,直接定位方法具有更高的定位精度,但現(xiàn)有的基于陣列模型的直接定位方法未能夠有效利用多普勒頻移信息,其定位精度有待進(jìn)一步提升。針對(duì)上述問(wèn)題,該文提出一種融合多普勒頻移信息的陣列數(shù)據(jù)域直接定位方法。首先構(gòu)建了融合多普勒信息的直接定位模型,然后基于最大似然準(zhǔn)則將信號(hào)源位置估計(jì)轉(zhuǎn)化為求解位置信息矩陣最大特征值問(wèn)題,并結(jié)合矩陣轉(zhuǎn)置性質(zhì)降低復(fù)雜度,最后通過(guò)2維搜索得到目標(biāo)信號(hào)源位置估計(jì)。仿真結(jié)果表明,所提方法較目前的陣列數(shù)據(jù)域直接定位方法和多普勒頻移直接定位方法的定位精度具有較大提高。
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出版歷程
  • 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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