Analysis of Modeling and 2-D Resolution of Satellite–Missile Borne Bistatic Forward-Looking SAR

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Abstract
Bistatic synthetic aperture radar (SAR) has received increasing attention from researchers due to the advantage of achieving forward-looking imaging, which cannot be achieved by a monostatic SAR system. Most of the existing literatures focus on the airborne bistatic SAR imaging, while the research on satellite-missile borne bistatic SAR system is relatively scarce. In this paper, the characteristics of the satellite-missile borne bistatic forward-looking SAR (SMBFSAR) system is mainly studied. Firstly, the method of modeling a SMBFSAR system, including the establishment of the satellite orbit equation and coordinate system transformation, is described at length. Then, the two-dimensional resolution of the SMBFSAR system is redefined, and the relationship between the two-dimensional resolution and the configuration of SMBFSAR is discussed in detail. Finally, the analysis of two-dimensional resolution of SMBFSAR system is illustrated by the simulation results of a ship target in different configurations.
Funding Information
  • Fundamental Research Funds for the Central Universities (HIT.DZJJ.2023030)
  • National Science Fund for Distinguished Young Scholars (62325104)

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