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