Detection of Illegal Movement in Radioactive Material Transportation Security Systems

Table 2

Illegal detection results based on spatial projection angle.

	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