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LIU Xi-ming, WU Zhi-fang(Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084, China). Study on Reducing the Noise of γ-digital Radiography System by Add-up Method[J]. Atomic Energy Science and Technology, 2003, 37(1): 91-91. DOI: 10.7538/yzk.2003.37.01.0091
Citation: LIU Xi-ming, WU Zhi-fang(Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084, China). Study on Reducing the Noise of γ-digital Radiography System by Add-up Method[J]. Atomic Energy Science and Technology, 2003, 37(1): 91-91. DOI: 10.7538/yzk.2003.37.01.0091
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Study on Reducing the Noise of γ-digital Radiography System by Add-up Method

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    • Abstract
  • The main noise of γdigital radiography(γDR) system is the statistical noise caused by the randomness of interaction between γ ray and matter. It's an efficient method to reduce the noise by using average value of sampling signals. The factors which influence the noisereducing effect of addup method is deduced theoretically, and relationship between noise intensity and addup times and sampling period is acquired, and the result is verified by experiment. The result has been successfully applied in the noise reduction of Co60 container inspection system. 
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