| CCM.G-K2国际比对和NIM-3A型绝对重力仪 |
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| 引用本文： | 吴书清,李春剑,徐进义,粟多武,冯金扬,吉望西.CCM.G-K2国际比对和NIM-3A型绝对重力仪[J].计量学报,2017,38(1):127-128. |
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| 作者姓名： | 吴书清 李春剑 徐进义 粟多武 冯金扬 吉望西 |
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| 作者单位： | 中国计量科学研究院, 北京 100029 |
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| 摘 要： | 基于激光干涉法的自由落体原理,中国计量科学研究院研制了最新的NIM-3A型绝对重力仪。该仪器参加了第9届全球绝对重力仪国际比对CCM.G-K2,根据公布的国际比对结果,NIM-3A型绝对重力仪的测量结果与参比各仪器的测量结果达到了等效一致,测量结果的合成标准不确定度为5.3 μGal。
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| 关 键 词： | 计量学 绝对重力仪 国际比对 不确定度 |
| 收稿时间： | 2015-07-17 |
The Comparison of Absolute Gravimeters CCM.G-K2 and NIM-3A Absolute Gravimeter |
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| WU Shu-qing,LI Chun-Jian,XU Jin-yi,SU Duo-wu,FENF Jin-yang,JI Wang-xi.The Comparison of Absolute Gravimeters CCM.G-K2 and NIM-3A Absolute Gravimeter[J].Acta Metrologica Sinica,2017,38(1):127-128. |
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| Authors: | WU Shu-qing LI Chun-Jian XU Jin-yi SU Duo-wu FENF Jin-yang JI Wang-xi |
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| Affiliation: | National Institute of Metrology, Beijing 100029, China |
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| Abstract: | Based on laser interference technology and free-fall theory, the National Institute of Metrology (China) has developed the latest NIM-3A type absolute gravimeter.This instrument has participated in the 9th international comparison of absolute gravimetries CCM.G-K2,according to the published result of CCM.G-K2,the NIM-3A type absolute gravimeter with the combined standard uncertainty of 5.3 μGal is agreed with the key comparison reference value and the degree of equivalence is gained. |
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| Keywords: | metrology absolute gravimeter international comparison uncertainty |
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