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本文对地球等离子体层和电离层进行了三维建模,并模拟卫星对30.4 nm极紫外线的探测过程,取得圆轨道平行束情况下的投影数据.采用改进的ART算法对所得数据进行三维重建,获得等离子体层的空间密度分布.结果表明,在投影角度覆盖180°的情况下,重建结果很好地再现了模型中空间各点的数值.文章对实验结果从CT重建方法的角度进行了讨论及分析.
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CT Scan To Help Scientists Diagnose Role of Clouds in Climate(图)
CT Scan Role of Clouds Climate DOE
2009/5/22
During May and June 2009, scientists from the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory, Argonne National Laboratory, and the University of Colorado at Boulder will use high-tec...