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Fig. 4 | Crime Science

Fig. 4

From: Multivariate analysis of energy dispersive X-ray diffraction data for the detection of illicit drugs in border control

Fig. 4

Parcel scanning geometry. In Step 1 of parcel scanning, 20 detectors simultaneously record diffraction data from the lower region of the parcel from the left hand side to the right as the parcel is translated. The parcel is then translated downwards in Step 2. Finally in Step 3 the detectors record diffraction data on the remaining parcel region from the opposite side (right hand side to left)

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