基于Hinode/XRT数据的温度和差分发射测量（DEM）诊断
Diagnostic of the temperature and differential emission measure (DEM) based on Hinode/XRT data
摘要：
我们在这里讨论的各种方法和最佳策略的温度和辐射测量诊断的基础上日出X射线望远镜的数据。作为我们的结果的一个例子，我们提出了确定的X射线发射等离子体的温度分布，使用过滤器的比率方法和三种不同的方法计算的差分发射测量（DEM）。我们已经发现，所有这些方法给出的结果类似于两个过滤器的比率方法。此外，所有的DEM计算方法给出了类似的解决方案。我们可以说，大多数对的Hinode过滤器允许一个导出的温度和排放措施的等温等离子体近似使用标准诊断的基础上两个过滤器的比率方法。在强耀斑的情况下，人们也可以预期，以及一致性的结果，使用Withbroe - Sylwester，遗传算法和最小二乘法的DEM评价。
英文摘要：
We discuss here various methodologies and an optimal strategy of the temperature and emission measure diagnostics based on Hinode X-Ray Telescope data. As an example of our results we present determination of the temperature distribution of the X-rays emitting plasma using filters ratio method and three various methods of the calculation of the differential emission measure (DEM). We have found that all these methods give results similar to the two filters ratio method. Additionally, all methods of the DEM calculation gave similar solutions. We can state that the majority of the pairs of the Hinode filters allows one to derive the temperature and emission measure in the isothermal plasma approximation using standard diagnostic based on two filters ratio method. In cases of strong flares one can also expect well conformity of the results obtained using a Withbroe - Sylwester, genetic algorithm and least-square methods of the DEM evaluation.
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