AI Article Synopsis

  • The paper discusses the limitations of single-input single-output (SISO) synthetic aperture ladar (SAL) systems in achieving both high resolution and wide range swath.
  • It proposes a multiple-input multiple-output (MIMO) SAL system that uses a low pulse repetition frequency to prevent range ambiguity while maintaining wide-range swath capabilities.
  • The MIMO system employs a multi-channel method and adaptive digital beam-forming technology to enhance azimuth resolution from wide-spectrum signals, with supporting simulations and analytical results.

Article Abstract

For the trade-off between the high azimuth resolution and the wide-range swath in the single-input single-output synthetic aperture ladar (SAL) system, the range swath of the SAL system is restricted to a narrow range, this paper proposes a multiple-input multiple-output (MIMO) synthetic aperture ladar system. The MIMO system adopts a low pulse repetition frequency (PRF) to avoid a range ambiguity for the wide-range swath and in azimuth adopts the multi-channel method to achieve azimuth high resolution from the unambiguous azimuth wide-spectrum signal, processed through adaptive digital beam-forming technology. Simulations and analytical results are presented.

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http://dx.doi.org/10.1364/AO.55.001401DOI Listing

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