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LINEAR SEARCH FOR A BROWNIAN TARGET MOTION
引用本文:A.B.El-Rayes AbdEl-MoneimA.Mohamed HamdyM.AbouGabal. LINEAR SEARCH FOR A BROWNIAN TARGET MOTION[J]. 数学物理学报(B辑英文版), 2003, 23(3): 321-327. DOI: 10.1016/S0252-9602(17)30338-7
作者姓名:A.B.El-Rayes AbdEl-MoneimA.Mohamed HamdyM.AbouGabal
作者单位:[1]MilitaryTechnicalCollege,Cairo,Egypt [2]DepartmentofMathematics,FacultyofScience,TantaUniversity,Tanta,Egypt
摘    要:
A target is assumed to move according to a Brownian motion on the real line. The searcher starts from the origin and moves in the two directions from the starting point.The object is to detect the target. The purpose of this paper is to find the conditions under which the expected value of the first meeting time of the searcher and the target is finite,and to show the existence of a search plan which made this expected value minimum.

关 键 词:线性搜索 Brown运动 期望 目标 搜索计划 存在性 最优搜索路径
收稿时间:2000-08-08

LINEAR SEARCH FOR A BROWNIAN TARGET MOTION
A.B.El-Rayes,Abd El-Moneim A.Mohamed,Hamdy M.Abou Gabal. LINEAR SEARCH FOR A BROWNIAN TARGET MOTION[J]. Acta Mathematica Scientia, 2003, 23(3): 321-327. DOI: 10.1016/S0252-9602(17)30338-7
Authors:A.B.El-Rayes  Abd El-Moneim A.Mohamed  Hamdy M.Abou Gabal
Affiliation:1. Mathematics and Operational Research Department (MARO), University of Mons, Belgium;2. INRIA Lille Nord Europe, Université Lille 1, CNRS/CRIStAL, Cité scientifique, 59655 Villeneuve d’Ascq cedex, France
Abstract:
A target is assumed to move according to a Brownian motion on the real line. The searcher starts from the origin and moves in the two directions from the starting point. The object is to detect the target. The purpose of this paper is to find the conditions under which the expected value of the first meeting time of the searcher and the target is finite, and to show the existence of a search plan which made this expected value minimum.
Keywords:Brownian process  expected value  linear search  optimal search plan
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