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The hardware implementation of real-time SAR signal processor

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3 Author(s)
Huang jian-xi ; Univ. of Sci. & Technol., Chengdu, China ; Wu jing-hong ; Huang shun-ji

This paper considers an implementation of a real-time signal processor for high resolution SAR (synthetic aperture radar) imaging. In many tasks, we need the SAR imaging take in time, so the real-time processor becomes more and more important. On the basic SAR imaging principle, it is well known that the high range resolution depends on the transmitted signal bandwidth, while high azimuth resolution results from the space Doppler frequency bandwidth. With the increase of frequency bandwidth, the rate of sampling increases, so a fast processor is required in high resolution real-time SAR imaging. To address this need, we discuss the way in which the high speed general DSP and special DSP are applied for high resolution real-time imaging, and good performance is obtained

Published in:

Radar Conference, 2000. The Record of the IEEE 2000 International

Date of Conference: