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      Imaging Algorithm for Rotor Synthetic Aperture Radar Using Stepped-frequency Waveform

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          Abstract

          For ROtor Synthetic Aperture Radar (ROSAR) using the stepped-frequency waveform, an imaging method based on Range Migration Correction (RMC) for ROSAR is proposed. First, the signal model of ROSAR using stepped-frequency waveform is derived; Second, the range migration correction in frequency domain is proposed; Third, the high-resolution images are achieved by using the ω-k algorithm; Finally, the azimuth resolution performance is analyzed. Simulation results demonstrate the effectiveness and high resolution performance of the proposed method.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 August 2014
          : 3
          : 4
          : 401-408
          Affiliations
          [1 ] National Laboratory of Radar Signal Processing, Xidian University
          Article
          228a9ecab2d04c5f8ae03a3aca76461c
          10.3724/SP.J.1300.2014.14043

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

          Remote sensing, Electrical engineering

          ROSAR, ω-k algorithm, Stepped-frequency waveform

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