Acta Metrologica Sinica  2019, Vol. 40 Issue (5): 776-779    DOI: 10.3969/j.issn.1000-1158.2019.05.06
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Optical Path Multiplication Measurement Based on Error Elimination Principle
LIU Hong-guang1,LI Qing1,LI Ling-mei1,CHEN Jie1,LI Jun-feng2,LU Rui-jun1
1. Tianjin Institute of Metrological Supervision and Testing, Tianjin 300192, China
2. National Institute of Metrology, Beijing 100029, China
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Abstract  Aiming at the problem of traceability of large-size laser ranging instruments, a long-distance measurement method based on error elimination principle of optical path multiplication was studied. A measurement model with error elimination characteristics was established. The system achieved four times the optical path multiplication. It has the advantages of simple structure with double range, high measurement accuracy, good measurement stability and continuous measurement. The virtual length baseline of 13m in the room was repeated and the feasibility of the measurement method was verified. The method shortens the distance between the mid-range and the baseline field to indoor completion.
Key wordsmetrology      light path multiplication measuremend method      error elimination principle      laser distance meter      virtual length baseline     
Received: 09 January 2019      Published: 01 September 2019
PACS:  TB92  
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LIU Hong-guang
LI Qing
LI Ling-mei
CHEN Jie
LI Jun-feng
LU Rui-jun
Cite this article:   
LIU Hong-guang,LI Qing,LI Ling-mei, et al. Optical Path Multiplication Measurement Based on Error Elimination Principle[J]. Acta Metrologica Sinica, 2019, 40(5): 776-779.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.05.06     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I5/776
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