Design and improvement of medical radioisotope dose calibrator / 国际生物医学工程杂志
International Journal of Biomedical Engineering
;
(6): 88-91, 2009.
Artigo
em Chinês
| WPRIM
| ID: wpr-394963
ABSTRACT
Objective To improve the hardware of a medical radioisotope dose calibration system base on LabVIEW platform.Methods Hiish performance voltage-frequency-converter VFC32 was applied to realize hardware circuit design of medical radioisotope dose calibrator,and the function of the circuit wag analyzed.The output voltage signal from the calibrator ionization chamber was processed by the designed circuit.The output frequency signal from the circuit was obtained by USB-6009 DAQ and was then processed by virtual instrument designed using LabVIEW 8.0.Results Experimental data graphs indicated that the improved system had a better linearity in the low and medium frequency band.Conclusion The redesigned radioisotope dose calibrator has advantages in improving measuring accuracy,measuring range,feeble-minded detection limit and so on.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Idioma:
Chinês
Revista:
International Journal of Biomedical Engineering
Ano de publicação:
2009
Tipo de documento:
Artigo
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