Ambiguous Scattering Point Detection of Bistatic Downwardlooking SAR with Geostationary Illuminator and LEO Receiver

Conference: EUSAR 2012 - 9th European Conference on Synthetic Aperture Radar
04/23/2012 - 04/26/2012 at Nuremberg, Germany

Proceedings: EUSAR 2012

Pages: 4Language: englishTyp: PDF

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Wang, Jingen; Wang, Yanfei (New Star Research Institute of Applied Technology, No. 451 Huangshan Road. Hefei, Anhui, China)
Ge, Jialong; Zhang, Jianming; Wang, Yanyu (East China Research Institute of Electronic Engineering, China)

The bistatic downward-looking SAR with geostationary illuminator and LEO receiver is different from the bistatic forward-looking SAR with geostationary illuminator and UAV receiver in geometry configuration and is also different from the airborne bistatic SAR. The paper combines its downward-looking configuration characteristic with an ellipsoid geometry and adopts Nelder-Mead based method to detect ambiguous scattering points in the scene. The simulation results for different size of scene and different moving-direction (especially the horizontal baseline direction) of LEO receiver have been given and several important conclusions have been obtained from these results.