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Kalman filtration of radiation monitoring data from atmospheric dispersion of radioactive materials
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UNSPECIFIED (2004) Kalman filtration of radiation monitoring data from atmospheric dispersion of radioactive materials. RADIATION PROTECTION DOSIMETRY, 111 (3). pp. 257-269.
Full text not available from this repository, contact author.Abstract
A Kalman filter method using off-site radiation monitoring data is proposed as a tool for on-line estimation of the source term for short-range atmospheric dispersion of radioactive materials. The method is based on the Gaussian plume model, in which the plume parameters including the source term exhibit a 'random walk' process. The embedded parameters of the Kalman filter are determined through maximum-likelihood estimation making the filter essentially free of external parameters. The method is tested using both real and simulated radiation monitoring data. For simulated data, the method is shown to retrieve the embedded parameters employed in generating the data and to reconstruct the plume model parameters, including the source term. When tested against experimental radiation monitoring data the method is found accurately to uncover the known source term.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine Q Science > QC Physics R Medicine |
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| Journal or Publication Title: | RADIATION PROTECTION DOSIMETRY | ||||
| Publisher: | OXFORD UNIV PRESS | ||||
| ISSN: | 0144-8420 | ||||
| Official Date: | 2004 | ||||
| Dates: |
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| Volume: | 111 | ||||
| Number: | 3 | ||||
| Number of Pages: | 13 | ||||
| Page Range: | pp. 257-269 | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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