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X射线安检设备中双能量方式下R值的提取 被引量:8

Obtain R on Dualenergy in Xray Security Inspection Equipment
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摘要 R是与有效原子序数直接相关的量.根据已知物质的双能量透射图像的低、高能灰度值可以计算出R值.推证了用R值算法来获得被检物质属性,进而找出危险品的方法. R is a reference referring to effective atomic number directly. According to the low and high gray level of the material energy shoots that have been known,we can calculate the R. Put forward a method based on R methods to get the features of material, then find out the illicit materials.
机构地区 东北大学
出处 《机械与电子》 2005年第9期25-27,共3页 Machinery & Electronics
关键词 有效原子序数 X射线探测 物质识别 双能量 effective atomic number X- ray detection object classification dual - energy
作者简介 原培新(1953-),男,辽宁鞍山人,东北大学机械工程与自动化学院教授,研究方向为故障诊断。
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