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平臺(tái)運(yùn)動(dòng)測(cè)量誤差對(duì)陣列天線合成孔徑雷達(dá)三維成像影響分析

丁振宇 譚維賢 王彥平 洪文 吳一戎

丁振宇, 譚維賢, 王彥平, 洪文, 吳一戎. 平臺(tái)運(yùn)動(dòng)測(cè)量誤差對(duì)陣列天線合成孔徑雷達(dá)三維成像影響分析[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1424-1430. doi: 10.11999/JEIT141106
引用本文: 丁振宇, 譚維賢, 王彥平, 洪文, 吳一戎. 平臺(tái)運(yùn)動(dòng)測(cè)量誤差對(duì)陣列天線合成孔徑雷達(dá)三維成像影響分析[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1424-1430. doi: 10.11999/JEIT141106
Ding Zhen-yu, Tan Wei-xian, Wang Yan-ping, Hong Wen, Wu Yi-rong. Impact Analysis of Motion Measurement Error on Array Antenna SAR Three Dimensional Imaging[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1424-1430. doi: 10.11999/JEIT141106
Citation: Ding Zhen-yu, Tan Wei-xian, Wang Yan-ping, Hong Wen, Wu Yi-rong. Impact Analysis of Motion Measurement Error on Array Antenna SAR Three Dimensional Imaging[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1424-1430. doi: 10.11999/JEIT141106

平臺(tái)運(yùn)動(dòng)測(cè)量誤差對(duì)陣列天線合成孔徑雷達(dá)三維成像影響分析

doi: 10.11999/JEIT141106
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61372186)資助課題

Impact Analysis of Motion Measurement Error on Array Antenna SAR Three Dimensional Imaging

  • 摘要: 陣列天線合成孔徑雷達(dá)(SAR)可實(shí)現(xiàn)3維成像。為了提高成像質(zhì)量,使用測(cè)量設(shè)備獲取平臺(tái)的運(yùn)動(dòng)信息以進(jìn)行運(yùn)動(dòng)補(bǔ)償,而測(cè)量誤差會(huì)影響補(bǔ)償及成像質(zhì)量,需對(duì)其進(jìn)行分析。該文首先建立了陣列天線SAR 3維成像模型和測(cè)量誤差分析模型,接著分別從位置和姿態(tài)角兩個(gè)方面分析了測(cè)量誤差對(duì)相位誤差的影響,并比較不同方向誤差影響的大小,然后通過仿真分析了誤差對(duì)成像指標(biāo)的影響,并引入姿態(tài)誤差基線比來量化姿態(tài)角誤差的影響。最后得出高程向和橫滾角測(cè)量誤差影響最大的結(jié)論,給出了限定要求下測(cè)量誤差的容忍值。該文的結(jié)論為測(cè)量設(shè)備的選取和設(shè)計(jì)以及成像和補(bǔ)償方法的選擇和分析提供了理論指導(dǎo)和參考。
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出版歷程
  • 收稿日期:  2014-08-21
  • 修回日期:  2015-01-27
  • 刊出日期:  2015-06-19

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