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空間目標多站ISAR優(yōu)化布站與融合成像方法

馬俊濤,  高梅國,  胡文華,  熊娣,  史林

馬俊濤, 高梅國, 胡文華, 熊娣, 史林. 空間目標多站ISAR優(yōu)化布站與融合成像方法[J]. 電子與信息學報, 2017, 39(12): 2834-2843. doi: 10.11999/JEIT170482
引用本文: 馬俊濤, 高梅國, 胡文華, 熊娣, 史林. 空間目標多站ISAR優(yōu)化布站與融合成像方法[J]. 電子與信息學報, 2017, 39(12): 2834-2843. doi: 10.11999/JEIT170482
MA Juntao, GAO Meiguo, HU Wenhua, XIONG Di, SHI Lin. Optimum Distribution of Multiple Location ISAR and Multi-angles Fusion Imaging for Space Target[J]. Journal of Electronics & Information Technology, 2017, 39(12): 2834-2843. doi: 10.11999/JEIT170482
Citation: MA Juntao, GAO Meiguo, HU Wenhua, XIONG Di, SHI Lin. Optimum Distribution of Multiple Location ISAR and Multi-angles Fusion Imaging for Space Target[J]. Journal of Electronics & Information Technology, 2017, 39(12): 2834-2843. doi: 10.11999/JEIT170482

空間目標多站ISAR優(yōu)化布站與融合成像方法

doi: 10.11999/JEIT170482
基金項目: 

國家自然科學基金(61401024)

Optimum Distribution of Multiple Location ISAR and Multi-angles Fusion Imaging for Space Target

Funds: 

The National Natural Science Foundation of China (61401024)

  • 摘要: 對異址多站雷達回波相干融合可以將空間觀測視角的分離轉(zhuǎn)換為目標積累時間的增加，提高ISAR像方位分辨率。該文針對在軌空間目標多站ISAR相干融合成像問題，提出一種基于目標軌道先驗信息的優(yōu)化布站方法，提高了回波融合效率；針對多站雷達回波融合處理問題，利用軌道運動模型分析了融合成像平面的空變特性，提出融合回波越距離單元徙動、多普勒時變等問題的解決方法，使多視角回波有效相干融合。利用空間站軌道驗證了融合成像平面的空變性，從徙動校正效果及分辨率改善等方面驗證了布站及融合算法的有效性。
    Abstract: The spatially separated observation angles from the multiple inverse synthetic aperture radar sensors can be converted to the accumulation time of the same target, which can improve the cross-range resolution of ISAR image by the coherent fusion of raw echo signals collected from different sensors. To solve the issue of multiple radar sensors coherent fusion ISAR imaging of space target moving on orbit, the radar location optimal method based on the orbital prior of the space target is proposed to improve the efficiency of the echoes fusion, the spatial- variant property of the fusion imaging plane of space target is analyzed using orbital motion model to solve the range Migration Through Resolution Cells (MTRC) and time-varying Doppler. The simulation results based on real orbit of space station confirm the effectiveness of the proposed method.
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  • 文章訪問數(shù):  1205
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  • 被引次數(shù): 0
出版歷程
  • 收稿日期:  2017-05-18
  • 修回日期:  2017-10-01
  • 刊出日期:  2017-12-19

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