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基于旋轉(zhuǎn)干涉儀圓陣化的多目標(biāo)參數(shù)估計(jì)新算法

辛金龍 廖桂生 楊志偉 解虎

辛金龍, 廖桂生, 楊志偉, 解虎. 基于旋轉(zhuǎn)干涉儀圓陣化的多目標(biāo)參數(shù)估計(jì)新算法[J]. 電子與信息學(xué)報(bào), 2018, 40(2): 486-492. doi: 10.11999/JEIT170217
引用本文: 辛金龍, 廖桂生, 楊志偉, 解虎. 基于旋轉(zhuǎn)干涉儀圓陣化的多目標(biāo)參數(shù)估計(jì)新算法[J]. 電子與信息學(xué)報(bào), 2018, 40(2): 486-492. doi: 10.11999/JEIT170217
XIN Jinlong, LIAO Guisheng, YANG Zhiwei, XIE Hu. Multiple Source Parameter Estimation for Rotating Interferometer Using Circular Array Processing[J]. Journal of Electronics & Information Technology, 2018, 40(2): 486-492. doi: 10.11999/JEIT170217
Citation: XIN Jinlong, LIAO Guisheng, YANG Zhiwei, XIE Hu. Multiple Source Parameter Estimation for Rotating Interferometer Using Circular Array Processing[J]. Journal of Electronics & Information Technology, 2018, 40(2): 486-492. doi: 10.11999/JEIT170217

基于旋轉(zhuǎn)干涉儀圓陣化的多目標(biāo)參數(shù)估計(jì)新算法

doi: 10.11999/JEIT170217
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61671352, 61231017),國(guó)家青年科學(xué)基金(61501471),認(rèn)知無(wú)線電與信息處理教育部重點(diǎn)實(shí)驗(yàn)室基金(CRKL160206)

Multiple Source Parameter Estimation for Rotating Interferometer Using Circular Array Processing

Funds: 

The National Natural Science Foundation of China (61671352, 61231017), The National Science Foundation for Young Scientists of China (61501471), The Foundation of Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education (CRKL160206)

  • 摘要: 針對(duì)現(xiàn)有的長(zhǎng)基線旋轉(zhuǎn)干涉儀存在相位模糊,且不能對(duì)多個(gè)同頻、同時(shí)到達(dá)的目標(biāo)信號(hào)進(jìn)行角度估計(jì)問(wèn)題,該文提出一種基于旋轉(zhuǎn)干涉儀虛擬圓陣化的多目標(biāo)波達(dá)參數(shù)估計(jì)新算法。該方法首先將旋轉(zhuǎn)干涉儀采樣得到的兩通道數(shù)據(jù)進(jìn)行共軛相乘操作,獲得虛擬圓陣信號(hào);然后采用波束空間變換法將虛擬圓陣數(shù)據(jù)從陣元空間轉(zhuǎn)換到波束空間,得到虛擬線陣數(shù)據(jù)序列;最后在實(shí)波束域上實(shí)現(xiàn)多目標(biāo)2維角度無(wú)模糊估計(jì)。相比于傳統(tǒng)旋轉(zhuǎn)干涉儀方法而言,所提方法在不增加接收通道的同時(shí),能夠?qū)崿F(xiàn)多目標(biāo)角度的無(wú)模糊測(cè)量。仿真實(shí)驗(yàn)驗(yàn)證了所提方法的有效性。
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出版歷程
  • 收稿日期:  2017-03-17
  • 修回日期:  2017-11-13
  • 刊出日期:  2018-02-19

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