바이스태틱 ISAR 영상 형성을 위한 회전운동보상 기법 연구

강병수; 유보현; 김경태
August 2017
Journal of Korean Institute of Electromagnetic Engineering & Sci;Aug2017, Vol. 28 Issue 8, p670
Academic Journal
In this paper, we propose a rotational motion compensation(RMC) for bistatic inverse synthetic aperture radar(Bi-ISAR) imaging. For this purpose, geometry-error, caused by changes of bistatic-angle, is removed using known position information of a transmitter, a receiver, and target trajectories. Next, RMC is performed to compensate non-uniform rotational motion error by reformatting radar signal in terms of a newly defined slow time variable that converts non-uniform rotational motion into uniform one. Simulation results using an aircraft model composed of ideal point scatterers validate the efficacy of the proposed Bi-ISAR RMC method.


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