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時(shí)空非均勻采樣下雙基地MIMO雷達(dá)收發(fā)角及多普勒頻率聯(lián)合估計(jì)方法

鄭志東 方飛 袁紅剛 于彥明 陶歡

鄭志東, 方飛, 袁紅剛, 于彥明, 陶歡. 時(shí)空非均勻采樣下雙基地MIMO雷達(dá)收發(fā)角及多普勒頻率聯(lián)合估計(jì)方法[J]. 電子與信息學(xué)報(bào), 2015, 37(9): 2164-2170. doi: 10.11999/JEIT141523
引用本文: 鄭志東, 方飛, 袁紅剛, 于彥明, 陶歡. 時(shí)空非均勻采樣下雙基地MIMO雷達(dá)收發(fā)角及多普勒頻率聯(lián)合估計(jì)方法[J]. 電子與信息學(xué)報(bào), 2015, 37(9): 2164-2170. doi: 10.11999/JEIT141523
Zheng Zhi-dong, Fang Fei, Yuan Hong-gang, Yu Yan-ming, Tao Huan. Joint DOD-DOA and Doppler Frequency Estimation for Bistatic MIMO Radar under Condition of Temporal-spatial Nonuniform Sampling[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2164-2170. doi: 10.11999/JEIT141523
Citation: Zheng Zhi-dong, Fang Fei, Yuan Hong-gang, Yu Yan-ming, Tao Huan. Joint DOD-DOA and Doppler Frequency Estimation for Bistatic MIMO Radar under Condition of Temporal-spatial Nonuniform Sampling[J]. Journal of Electronics & Information Technology, 2015, 37(9): 2164-2170. doi: 10.11999/JEIT141523

時(shí)空非均勻采樣下雙基地MIMO雷達(dá)收發(fā)角及多普勒頻率聯(lián)合估計(jì)方法

doi: 10.11999/JEIT141523
基金項(xiàng)目: 

四川省教育廳項(xiàng)目(13ZA0005)

Joint DOD-DOA and Doppler Frequency Estimation for Bistatic MIMO Radar under Condition of Temporal-spatial Nonuniform Sampling

  • 摘要: 該文針對發(fā)射陣列、接收陣列以及多級延遲器均為非均勻配置的雙基地MIMO雷達(dá),提出基于時(shí)域和空域二次自由度擴(kuò)展的發(fā)射角、接收角以及多普勒頻率估計(jì)的ESPRIT (Estimating Signal Via Rotational Invariance Techniques)新方法。該方法利用雙基地MIMO雷達(dá)特殊的方向矢量特點(diǎn)(矩陣的Khatri-Rao積形式),對接收信號進(jìn)行兩次行置換以及去冗余處理,實(shí)現(xiàn)了時(shí)域和空域孔徑自由度的二次擴(kuò)展。然后對新數(shù)據(jù)進(jìn)行時(shí)空滑窗處理,利用ESPRIT算法分別估計(jì)出目標(biāo)的收發(fā)角以及多普勒頻率。理論和仿真結(jié)果表明:在相同陣元和延遲級數(shù)情況下,所提算法的估計(jì)性能優(yōu)于四線性分解和多維ESPRIT算法,且能估計(jì)出更多的目標(biāo),此外,通過最小冗余配置,極大地降低了陣列和延遲器的配置需求,更利于實(shí)際工程應(yīng)用。
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出版歷程
  • 收稿日期:  2014-12-02
  • 修回日期:  2015-05-19
  • 刊出日期:  2015-09-19

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