ASTM F1165-20 用于测量透明部件中多个图像的角位移的标准测试方法.pdf
文档页数：4文档大小：1.64MB文档格式：pdfThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standartis.Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F1165-20 INTERNATIONAL Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts This standard is issued under the fixed designation F1165:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope E691 Practice for Conducting an Interlaboratory Study to 1.1 This test method covers measuring the angular separa- Determine the Precision of a Test Method tion of secondary images from their respective primary images as viewed from the design eye position of an aircraft transpar- 3.Terminology (see Fig.I) ency.Angular separation is measured at 49 points within a 20 3.1 angular displa...
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