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| Citation: | Zhan Xue-li, Wang Yan-fei, Wang Chao, Liu Bi-dan. Research on Overlapped Subaperture Real-time Imaing Algorithm for Pulse Compression Airborne Strip SAR System[J]. Journal of Radars, 2015, 4(2): 199-208. doi: 10.12000/JR14126
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Research on Overlapped Subaperture Real-time Imaing Algorithm for Pulse Compression Airborne Strip SAR System
DOI: 10.12000/JR14126
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Abstract
A high-resolution real-time subaperture imaing formation for range direction pulse compression airborne strip Synthetic Aperture Radar(SAR) system is presented. It can be used in no dechirp strip SAR system. By pulse compression in range direction and Overlapped Subaperture Algorithm(OSA) in azimuth direction this algorithm can compensate the range-azimuth cross error and the space variant phase error. In this study, first strip SAR geometry is analyzed and the strip SAR model is derived, and then the processing flow of OSA for range pulse compression strip SAR system is described in detail. Computation load, data storage and limitations of patch are analyzed then.The point-target simulations and live data processing results show the proposed approach is feasible and effective. -
References
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JIN Yaqiu. Multimode remote sensing intelligent information and target recognition: Physical intelligence of microwave vision[J]. Journal of Radars, 2019, 8(6): 710–716. doi: 10.12000/JR19083
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