基于惯导系统的机载SAR运动补偿精度分析

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Abstract The motion compensation errors of the airborne Synthetic Aperture Radar (SAR,) using the typical aircraft Inertial Navigation System (INS) are analyzed. It is conduded that the navigation errors of INS are of low frequency and divergent. The INS errors cari be kept in a relativelv small.range at.the beginning stage. Therefore, the high resolution SAR, imaging can be achieved by combining INS with clutterlock and autofocus mothods.

Key words： Synthetic aperture radar Motion compensation Inertial navigation system

Received: 06 April 2000

PACS:

TN951

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	Ding Chibiao

Cite this article:

Ding Chibiao. Error analysis of airborne SAR motion compensation using INS[J]. , 2002, 24(1): 12-18 .

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http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2002/V24/I1/12