一组直线段中物体内部结构的解析和数值重建

N. Uteuliev, G. Djaykov, Sh.A. Yadgarov
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引用次数: 0

摘要

考虑了在已知给定一种特殊权函数的直线线段族中所求函数的积分的情况下,条上重构函数的问题。得到了一类光滑有限函数解的解析表示,证明了该问题解的唯一性定理。给出了Sobolev空间解的稳定性估计,并给出了该解的弱病态性。这些理论结果用于从其积分数据中恢复内部结构对象。给出了数值结果及其图形表示。
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Analytical and numerical reconstruction of internal structure of the objects in a family of straight-line segments
We considered a problem of reconstruction function in a strip, if we know the integrals of sought function in the family of straight-line segments with a given weight function of a special kind. We obtained an analytical representation of solution in the class of smooth finite functions, the uniqueness theorems for solution of the problem is proved. The stability estimate of solution in Sobolev spaces is presented, which implies its weakly ill-posedness. These theoretical results are used in order to recover the internal structure objects from their integral data. Numerical results and their graphical representation are given.
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