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Title: 3-D target electromagnetic modelling for SAR applications
Authors: Wong, C.Y. 
Zhang, C.B. 
Yeo, T.S. 
Lu, Y.H. 
Issue Date: 1999
Citation: Wong, C.Y.,Zhang, C.B.,Yeo, T.S.,Lu, Y.H. (1999). 3-D target electromagnetic modelling for SAR applications. International Geoscience and Remote Sensing Symposium (IGARSS) 2 : 1395-1397. ScholarBank@NUS Repository.
Abstract: A 3-D target is modelled by multiple scatterers on its surface. The back-scattering of each of the scatterers is calculated and used to scale the return signals at the antenna receiver. Speckle is modelled as multi-scattering centre within one resolution cell. A resolution cell is divided into several smaller facets which are Gaussian randomly tilted and the back-scattering calculated and summed within that resolution cell. The 2-D SAR raw data is obtained by vector summation of scatterers. Simulations are carried out using several target models e.g., a flat plane, a box on a flat plane, and a communication antenna on a flat plane and the results are found to be satisfactory. The SAR return signal and subsequently the SAR image generated uses the Range Migration Algorithm (RMA).
Source Title: International Geoscience and Remote Sensing Symposium (IGARSS)
Appears in Collections:Staff Publications

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