无损检测射线底片质第部分像质计图象质量评价.doc

（翻译：宋广泽 公供参考） EN462 Non-destructive testing-Image quality of radiographs 无损检测 – 射线底片质量 Part: 1 Image quality indicators(wire type) Determination of image quality value 第一部分：像质计 图象质量评估 1.Scope 范围 This part of this European Standard specifies a device and a method for the determination of the image quality of radiographs. Other devices are the subject of parts 2 and 5 of the standard. 此欧洲标准的这一部分指定了对射线照相图相质量的评定方法和程序，其他程序见标准2至5部分。 2.Normative references 参考标准 This European Standard incorporates by dated or undated reference, provisions from other publications.These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. 本欧洲标准由注明日期或未注明日期的参考，其他出版物的条款合并编制而成。这些参考在文本适当位置引用，所用出版物在此后列出。对于注明日期的引用文件，其以后的修改或修订内容只有在本标准进行修订或修改时才引用。对于未注明日期的引用文件，将引用其必威体育精装版版本。 EN462-2 Non-destructive testing-Image quality of radiographs-part 2: Image quality indicators (step/hole type),determination of image quality values1) EN462-2无损探伤；射线照片的图像质量。第二部分：像质计（线型）；图像质量数值的测定 EN462-4 Non-destructive testing-Image quality of radiographs-part 4: Experimental evaluation of image quality values and image quality tables1) EN462-4无损探伤；射线照片的图像质量。第四部分：图像质量数值和图像质量表的实验性评估 EN462-5 Non-destructive testing-Image quality of radiographs-part 5: Image quality indicators (Duplex wire type) – Determination of image unhappiness value1) EN462-5无损探伤；射线照片的图像质量。图像质量指数（双芯导线类型），整体图像不清晰度数值的测定 EN25580 Non-destructive testing – Industrial radiographic illuminators – Minimum requirements (ISO 5580:1985 ) EN25580 无损检测-工业射线照相-最低要求 EN45014 General criteria for suppliers, declaration of conformity EN45014 供应方的通用标准 3. Definitions 定义 For the purposes of this standard, the fol