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Near field 3-D Scene Simulation for Passive Microwave Imagi ..
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Near field 3-D Scene Simulation for Passive Microwave Imaging
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polarm
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发表于: 2008-11-13 21:04:23
Abstract:Scene simulation is a necessary work in near field passive microwave remote sensing. A 3-D scene simulation model of microwave radiometric imaging based on ray tracing method is present in this paper. The essential influencing factors and general requirements are considered in this model such as the rough surface radiation, the sky radiation witch act as the uppermost illuminator in out door circumstance, the polarization rotation of the temperature rays caused by multiple reflections, and the antenna point spread function witch determines the resolution of the model final outputs. Using this model we simulate a virtual scene and analyzed the appeared microwave radiometric phenomenology, at last two real
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scenes of building and airstrip were simulated for validating the model. The comparison between the simulation and field measurements indicates that this model is completely feasible in practice. Furthermore, we analyzed the signatures of model outputs, and achieved some underlying phenomenology of microwave radiation witch is deferent with that in
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tensor
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2008-11-13
海阔凭鱼跃,天高任鸟飞
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makefriends
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发表于: 2008-12-07 02:29:24
推一下 感謝壓 真的很感謝唷
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azulgrana
azulgrana
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发表于: 2009-01-23 14:53:52
顶,支持楼主,谢谢了
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