测量结果及其不确定度的修约方法  

ROUNDING OFF METHOD OF THE MEASUREMENT RESULT AND ITS UNCERTAINTY

作　　者：邵建新[1] 唐光辉[2] 刘云虎[2] 

机构地区：[1]石河子大学师范学院,新疆石河子832003 [2]石河子大学理学院,新疆石河子832003

出　　处：《物理与工程》2013年第6期19-21,共3页Physics and Engineering

基　　金：国家自然科学基金项目(61065006)

摘　　要：基于国家计量技术规范和实际应用情况,文章提出,为了保证修约值最接近原始数值、修约方法规范统一、易于操作,测量不确定度应统一取成两位有效位数,并据此来修约测量结果.The problems on determining the significant figures of the measurement result and its uncertainty has been investigated,based on the national standard of measuring technique and practical application.In order to ensure the rounding off value closest to the original value and easy to operate with the standardized and unified rounding off method,we proposed that the significant digits of uncertainty of measurement should be taken two digits in unify,according to which we rounded off the measurement results.

关 键 词：不确定度 测量结果 修约方法 

分 类 号：TB9[一般工业技术—计量学]