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AN ADVANCED AUTOFOCUS ALGORITHM FOR SAR |
Liu Xin; Zhu Xixing; Zhu Minhui |
Institute of Electronics Academia Sinica Beijing 100080 |
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Abstract Autofocus is an important technique in high resolution Synthetic Aperture Radar(SAR). When autofocus is needed by real-time SAR imaging processing, it must be very computationally effective. Shift and correlate algorithm is such an algorithm. It was first presented by Jorgen, (1991). In this paper, we analyze its essence and make some advance on it.
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Received: 21 November 1996
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