Volume 5 Issue 5
Nov.  2016
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Article Navigation >  Journal of Radars  > 2016  >  5(5): 548-557
Zhao Tuan, Deng Yunkai, Wang Yu, Li Ning, Wang Xiangyu. Processing Sliding Mosaic Mode Data with Modified Full-Aperture Imaging Algorithm Integrating Scalloping Correction[J]. Journal of Radars, 2016, 5(5): 548-557. doi: 10.12000/JR16014
Citation: Zhao Tuan, Deng Yunkai, Wang Yu, Li Ning, Wang Xiangyu. Processing Sliding Mosaic Mode Data with Modified Full-Aperture Imaging Algorithm Integrating Scalloping Correction[J]. Journal of Radars, 2016, 5(5): 548-557. doi: 10.12000/JR16014
shu

Processing Sliding Mosaic Mode Data with Modified Full-Aperture Imaging Algorithm Integrating Scalloping Correction

DOI: 10.12000/JR16014
  • 1.

    (Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)

  • 2.

    (University of Chinese Academy of Sciences, Beijing 100039, China)

Funds:

The National Natural Science Foundation of China (61422113)

  • Received Date: 2016-01-21
  • Rev Recd Date: 2016-05-20
  • Publish Date: 2016-10-28
    Abstract
  • In this study, we present a modified full-aperture imaging algorithm that includes scalloping correction and spike suppression for sliding-Mosaic-mode Synthetic Aperture Radar (SAR). It is innovational to correct the azimuth beam-pattern weighting altered by radar antenna rotation in the azimuth during the de-ramping preprocessing operation. The main idea of spike suppression is to substitute zeros between bursts with linear-predicted data extrapolated from adjacent bursts to suppress spikes caused by multiburst processing. We also integrate scalloping correction for the sliding mode into this algorithm. Finally, experiments are performed using the C-band airborne SAR system with a maximum bandwidth of 200 MHz to validate the effectiveness of this approach.

     

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