Research Article
Detection of Illegal Movement in Radioactive Material Transportation Security Systems
Table 2
Illegal detection results based on spatial projection angle.
| ā | Alarm distance (unit: meter) | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th |
| Rear of the truck | 2.6 | 2.5 | 2.5 | 3.4 | 2.7 | 2.5 | 2.8 | 3.0 | 2.6 | 3.1 | Left of the truck | 1.1 | 1.3 | 1.4 | 1.1 | 1.2 | 1.3 | 1.4 | 1.2 | 1.3 | 1.3 | Right of the truck | 1.2 | 1.4 | 1.2 | 1.3 | 1.3 | 1.2 | 1.2 | 1.4 | 1.2 | 1.2 |
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