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一種補(bǔ)償時(shí)變姿態(tài)的Whitt極化定標(biāo)改進(jìn)算法

劉云龍,  梁興東,  李焱磊,  周良將

劉云龍, 梁興東, 李焱磊, 周良將. 一種補(bǔ)償時(shí)變姿態(tài)的Whitt極化定標(biāo)改進(jìn)算法[J]. 電子與信息學(xué)報(bào), 2017, 39(10): 2354-2359. doi: 10.11999/JEIT170177
引用本文: 劉云龍, 梁興東, 李焱磊, 周良將. 一種補(bǔ)償時(shí)變姿態(tài)的Whitt極化定標(biāo)改進(jìn)算法[J]. 電子與信息學(xué)報(bào), 2017, 39(10): 2354-2359. doi: 10.11999/JEIT170177
LIU Yunlong, LIANG Xingdong, LI Yanlei, ZHOU Liangjiang. Improved Time-variant Attitude Compensating Whitt Polarimetric Calibration Algorithm[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2354-2359. doi: 10.11999/JEIT170177
Citation: LIU Yunlong, LIANG Xingdong, LI Yanlei, ZHOU Liangjiang. Improved Time-variant Attitude Compensating Whitt Polarimetric Calibration Algorithm[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2354-2359. doi: 10.11999/JEIT170177

一種補(bǔ)償時(shí)變姿態(tài)的Whitt極化定標(biāo)改進(jìn)算法

doi: 10.11999/JEIT170177
基金項(xiàng)目: 

國(guó)家863計(jì)劃項(xiàng)目(2013AA092105)

Improved Time-variant Attitude Compensating Whitt Polarimetric Calibration Algorithm

Funds: 

National 863 Program of China (2013AA092105)

  • 摘要: 極化定標(biāo)是目標(biāo)檢測(cè)、分類識(shí)別和定量反演等實(shí)際應(yīng)用的重要前提。載機(jī)平臺(tái)的姿態(tài)變化會(huì)引起極化指向角的變化，從而降低極化定標(biāo)精度。針對(duì)這一問題前人已提出了基于Whitt算法的改進(jìn)算法。該文詳細(xì)分析了這些改進(jìn)算法存在的問題，并在此基礎(chǔ)上提出了一種考慮通道不平衡的逐脈沖補(bǔ)償時(shí)變姿態(tài)的極化定標(biāo)算法，能夠有效地抑制姿態(tài)變化對(duì)極化定標(biāo)的影響。仿真實(shí)驗(yàn)和實(shí)測(cè)數(shù)據(jù)處理驗(yàn)證了該算法的有效性。
    Abstract: Polarization calibration is an important prerequisite for practical application such as target detection, classification recognition and quantitative inversion. The attitude variance of carrier platform can cause variance of polarization orientation angle, thus reducing the polarization calibration precision. Improved algorithms based on Whitt algorithm is proposed for this problem. In this paper, the problem of these improved algorithms is analyzed in detail, and on this basis, a polarimatric calibration algorithm, which takes channel unbalance into consider and compensates the time-varying attitude pulse by pulse, is proposed, and it can effectively suppress the influence of attitude change on polarization calibration. Simulation results and experimental data processing verify the effectiveness of the proposed algorithm.
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出版歷程
  • 收稿日期:  2017-03-01
  • 修回日期:  2017-05-19
  • 刊出日期:  2017-10-19

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