Radiation measuring device and data processing method

Details Radiation measuring device and data processing method Radiation measuring device and data processing method

2006-11-27

2010-06-08

Lau, Tung S (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

Reexamination Certificate

active

07734447

ABSTRACT:
A radiation measuring device capable of identifying the incident direction of a radiation ray and energy (segmentation). The directivity characteristics of a plurality of detectors are different from each other. A plurality of energy segmentations are set respectively for a plurality of spectra corresponding to a plurality of detectors, and actual measurement ratio information (a plurality of actual measurement counting ratios) expressing the mutual ratio between integrated counting values for each energy segmentation is computed. The actual measurement ratio information is checked against a plurality of response functions, and, when the compatibility relation between specific actual measurement ratio information and specific theoretical ratio information is found, the incident direction of a radiation ray and an energy segmentation are identified based on that relation.

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Notification of Transmittal of Copies of Translation of the International Preliminary Report on Patentability (Form PCT/IB/338) of International Application No. PCT/JP2006/323544 mailed Jun. 12, 2008 with Forms PCT/IB/373, PCT/IB/326, PCT/ISA/237 and English translation form PCT/ISA/237.
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Y. Shirakawa, “Development of nondirectional detectors with NaI (TI)”, Radioisotopes, vol. 53, No. 8, pp. 445-450, Aug. 2004.
International Search Report of PCT/JP2006/323544, date of mailing Feb. 27, 2007.

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