| A Novel Timing Control Method for Airborne SAR Motion Compensation |
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Hyon-Ik Lee |
| 항공기 요동보상을 위한 SAR시스템의 타이밍 제어 기법 |
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이현익 |
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국방과학연구소 |
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| Abstract |
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For high quality image acquisition, compensating air-vehicle motion is essential for airborne SAR system. This paper describes a timing control based motion compensation method for airborne SAR system. Efficient timing control is critical for SAR system since it maintains many timing signals and timing setting for the signals should be updated frequently. This paper proposes Timing Cluster method as an efficient means for timing control of SAR system. Moreover, this paper suggests a simple and efficient method to compensate air-vehicle motion based on the Timing Cluster method. Timing Cluster method enables SAR system to control the timing in a timing noncritical way just maintaining little amount of information. |
| Key Words:
SAR(Synthetic Aperture, Radar), Motion Compensation, Timing Control, PRF(Pulse Repetition Frequency), PRI(Pulse Repetition Interval), Range Gate, Phase Error |
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