Title:
SIGNAL PROCESSING DEVICE, ANALYZER AND SIGNAL PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2021081190
Kind Code:
A
Abstract:
To provide a signal processing device capable of easily determining the occurrence of a discharge abnormality of a radiation detector.SOLUTION: A signal processing device 7 processes an output signal S0 from a radiation detector 6. The radiation detector 6 includes a pair of electrodes to which a predetermined voltage is applied, and a gas existing between the pair of electrodes and capable of ionizing when receiving radiation. The output signal S0 has a peak value corresponding to an amount of energization between the pair of electrodes. When the peak value of the output signal S0 received from the radiation detector 6 exceeds a threshold value, the signal processing device 7 includes a discrimination unit 71 for discriminating the output signal S0 as an abnormal signal, and a determination unit 76 for determining the presence or absence of discharge abnormality between the pair of electrodes. The threshold value is the upper limit value that can be taken by the peak value of the output signal S0 when the gas receives the radiation to be detected.SELECTED DRAWING: Figure 6
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Inventors:
SAITO YUTA
Application Number:
JP2018053058A
Publication Date:
May 27, 2021
Filing Date:
March 20, 2018
Export Citation:
Assignee:
SHIMADZU CORP
International Classes:
G01T1/18; G01N23/223; H01J47/06
Attorney, Agent or Firm:
Toshifumi Kita
Hiroyuki Eguchi
Hiroyuki Eguchi