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中文摘要：
本文中DRESOR法（Distributions of Ratios of Energy Scattered Or Reflected）应用于求解一维非均匀介质内的瞬态辐射传输问题。结果表明，反射热流的双峰分布现象能够体现介质内部的非均匀分布特征，并且能够通过分析其特点推断非均匀介质的中间界面位置。通过DRSESOR法计算得到的高方向分辨率的辐射强度体现了其在决定非均匀介质表面位置的独特优势。最后，对双峰分布现象的存在条件进行了探讨。
英文摘要：
In this paper the transient Distributions of Ratios of Energy Scattered Or Reflected （DRESOR） method is extended to solve transient radiation transport problem in nonhomogeneous media. Under the appropriate combination of the pulse width and scattering property of the probed medium, the temporal signal of the reflectance exhibits a direct correlation between the signal magni- tude and the location of the interface. The position of the inhomogeneity can be determined by the relation. The fine angular resolution intensity calculated by the DRESOR method shows its advantage in the inverse analysis compared with reflectance. In a prior work, there were two conditions for the correlation to exist. This study extends the prior work with more extensive numerical simulations to rigorously test and revise the conditions of promoting the dual-peak in the temporal reflectance signals.
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