Simulations of Sparse Static Detector Networks for City-Scale Radiological/Nuclear Detection
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913686377988096 |
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| author | Rofors, E. Abgrall, N. Bandstra, M. S. Cooper, R. J. Hellfeld, D. Joshi, T. H. Y. Negut, V. Quiter, B. J. Salathe, M. |
| author_facet | Rofors, E. Abgrall, N. Bandstra, M. S. Cooper, R. J. Hellfeld, D. Joshi, T. H. Y. Negut, V. Quiter, B. J. Salathe, M. |
| contents | Sparse static detector networks in urban environments can be used in efforts to detect illicit radioactive sources, such as stolen nuclear material or radioactive "dirty bombs". We use detailed simulations to evaluate multiple configurations of detector networks and their ability to detect sources moving through a $6\times6$ km$^2$ area of downtown Chicago. A detector network's probability of detecting a source increases with detector density but can also be increased with strategic node placement. We show that the ability to fuse correlated data from a source-carrying vehicle passing by multiple detectors can significantly contribute to the overall detection probability. In this paper we distinguish static sensor deployments operated as networks able to correlate signals between sensors, from deployments operated as arrays where each sensor is operated individually. In particular, we show that additional visual attributes of source-carrying vehicles, such as vehicle color and make, can greatly improve the ability of a detector network to detect illicit sources. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_13494 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Simulations of Sparse Static Detector Networks for City-Scale Radiological/Nuclear Detection Rofors, E. Abgrall, N. Bandstra, M. S. Cooper, R. J. Hellfeld, D. Joshi, T. H. Y. Negut, V. Quiter, B. J. Salathe, M. Instrumentation and Detectors Sparse static detector networks in urban environments can be used in efforts to detect illicit radioactive sources, such as stolen nuclear material or radioactive "dirty bombs". We use detailed simulations to evaluate multiple configurations of detector networks and their ability to detect sources moving through a $6\times6$ km$^2$ area of downtown Chicago. A detector network's probability of detecting a source increases with detector density but can also be increased with strategic node placement. We show that the ability to fuse correlated data from a source-carrying vehicle passing by multiple detectors can significantly contribute to the overall detection probability. In this paper we distinguish static sensor deployments operated as networks able to correlate signals between sensors, from deployments operated as arrays where each sensor is operated individually. In particular, we show that additional visual attributes of source-carrying vehicles, such as vehicle color and make, can greatly improve the ability of a detector network to detect illicit sources. |
| title | Simulations of Sparse Static Detector Networks for City-Scale Radiological/Nuclear Detection |
| topic | Instrumentation and Detectors |
| url | https://arxiv.org/abs/2412.13494 |