Compressed synthetic aperture radar imaging based on Maxwell equation

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Within few years backward, researches had presented the ability of compressive sensing to handle the large data problem on high resolution synthetic aperture radar (SAR) imaging. The main issue on CS framework that should be dealt with the SAR imaging is on the requirement of linearization on the measurement system. This paper proposes a new approach on formulating the compressed SAR echo imaging system which is derived from the Maxwell’s equations with continuous signal along the SAR antenna movement. Born approximation is applied to approximate the linear form of the SAR echo imaging system. In addition, the compressed sampling is formed by reducing the sampling rate of received radar signals randomly simultaneously on both of low sampling of fast time and slow time signals and by reducing the pulse period interval of transmitted signals. The simulation’s result shows that a better focused reconstructed sparse target can be achieved compared with the conventional match filter based Range Doppler (RD) method.

Original languageEnglish
Pages (from-to)15-22
Number of pages8
JournalJurnal Teknologi
Issue number6-3
Publication statusPublished - 2016


  • Born approximation
  • Compressive sensing
  • Fast time and slow time sampling
  • Maxwell equation
  • Synthetic aperture rada


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