Abstract
Recently, a new bistatic point target reference spectrum, which is called extended Loffeld's bistatic formula (ELBF) is proposed. The point target simulation shows that this method can work well in the general bistatic configuration. In this paper, physical optics (PO) method is introduced to calculate the echo data from three dimensional targets for bistatic SAR. Then the original LBF and ELBF are tested for the bistatic SAR imaging by using electromagnetic simulation data. Experiment results demonstrate that compared with the conventional LBF, the ELBF has better imaging quality for azimuth variant configurations.
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