Estimating Target Acquisition Search Times For Infrared Sensors In Multi-Target Scenarios

Rotman, Stanley R.; Gordon, E. S.

doi:10.1117/12.951040

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Search Scheduling Of Low-earth Orbit Constellation1

Introduction1

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2011

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“…Substituting (19)-(22) to (10), it can be concluded that the posterior probability density of the ith cell in the scenarios of uncertainty observation can be written as…”

Section: Search Scheduling Of Low-earth Orbit Constellationmentioning

confidence: 99%

“…The motivation was to enhance airborne visual detection of surfaced submarines in the open ocean. Since World War II, the optimal search theory and its corresponding scheduling methods had been further studied, which were related to active or passive detectors including radar [6], sonar [7], optical [8,9], infrared [10], etc. According to the existence of the prior vectoring information, the search scheduling methods can be classified into "search scheduling with prior vect-Manuscript received April 28, 2010.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Information gain based sensor search scheduling for low-earth orbit constellation estimation

Wang¹,

Zhang²,

An³

et al. 2011

J. of Syst. Eng. Electron.

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This paper addresses the problem of sensor search scheduling in the complicated space environment faced by the low-earth orbit constellation. Several search scheduling methods based on the commonly used information gain are compared via simulations first. Then a novel search scheduling method in the scenarios of uncertainty observation is proposed based on the global Shannon information gain and beta density based uncertainty model. Simulation results indicate that the beta density model serves a good option for solving the problem of target acquisition in the complicated space environments.

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“…Substituting (19)-(22) to (10), it can be concluded that the posterior probability density of the ith cell in the scenarios of uncertainty observation can be written as…”

Section: Search Scheduling Of Low-earth Orbit Constellationmentioning

confidence: 99%