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γ射线康普顿背散射扫描仪测量的信噪比研究 被引量:5

The Research of Signal to Noise Ratio on Measurements of γ Ray Compton Backscatter Scanner
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摘要 本文详细给出了CBS测量中噪声的物理来源和降低噪声的有效措施,还对信噪比进行了定量的分析和讨论。 The physical origins of noise in the CBS measurement and effective measures of decreasing the noise are presented in this paper.The paper quantitatively analyzes and discusses the signal to noise ratio for CBS system.
出处 《CT理论与应用研究(中英文)》 1998年第1期1-8,共8页 Computerized Tomography Theory and Applications
关键词 康普顿背散射 扫描仪 γ射线测量 信噪比 噪声 Compton Backscatter Scanner r Ray Measurements Signal to Noise Ratio
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  • 1丁厚本.康普顿背散射技术与产品设计[J].CT理论与应用研究(中英文),2000,9(z1):102-107. 被引量:4
  • 2杨学恒,苏显素,赵炬.γ射线在ICT中的能谱硬化与散射修正[J].CT理论与应用研究(中英文),1995,4(3):25-39. 被引量:6
  • 3郑世才.康普顿散射成象技术试验[J].无损检测,1995,17(11):301-304. 被引量:9
  • 4钱复业 赵玉林 等.地面电探CT技术的研究及其在三峡地区地下考古中的应用试验[J].CT理论与应用研究,1995,4(2):40-50.
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  • 6ZHU P, DUVAUCHELLE P, PEIX G, et al. X-ray Compton Backscattefing Techniques for Process Tomography: Imaging and Characterization of Materials [J]. Meas Sci Technol, 1996,7:281 -286.
  • 7COMPTON A H. A Quantum Theory of the Scattering or Xrays by Light Elements [ J ]. Physical Review, 1923, 21 ( 5 ) :483 - 502.
  • 8PRATt R H. Tutorial on Fundamentals of Radiation Physics: Interactions of Photons with Matter[ J ]. Radiation Physics and Chemistry ,2004, 70:595 - 603.
  • 9ABF.NIYISZ N V,ESAM M A. Energy-spectral Compton Scatter Imaging-part I : Theory and Mathematics [ J ]. IEEE Translations on Nuclear Science, 1995,42 (6) : 2 155 - 2 165.
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