Estimating the probability of a diffusing target encountering a stationary sensor
Eagle, James N.
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In this report two expressions are given for the probability of a diffusing target avoiding detection to time t by a sensor fixed at the center of a square region A. The target is constrained to always remain within A. The first expression results from an approximation to the exact solution of the diffusion equation, and the second from experimentation with a Monte Carlo simulation of the diffusion process.
NPS Report NumberNPS55-85-013
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