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Field test method and standard instruments for verification of traffic speed meters based on test vehicle
Author(s): Lei Du; Qiao Sun; Jie Bai; Zhe Fan
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Paper Abstract

Traffic speed enforcement is an important issue to guarantee public road security and to reduce the number of traffic accidents. Traffic speed meters are important legal measuring instruments specially used for traffic speed surveillance and enforcement in China and around the world. A field test method based on test vehicle is introduced in this paper. Firstly, the principle of the field test method based on test vehicle and the requirements for the standard speed-measuring instrument are introduced. Secondly, three main speed-measuring sensors, including non-contact optical speed sensor, GPS speed sensor and dual-antenna Doppler radar sensor, used in the standard speed-measuring instrument are given. Finally, two comparison experiments were carried out in the field to evaluate the field speed-measuring performances of the standard speed-measuring instruments with different speed sensors.

Paper Details

Date Published: 7 March 2019
PDF: 6 pages
Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110534F (7 March 2019); doi: 10.1117/12.2513377
Show Author Affiliations
Lei Du, National Institute of Metrology (China)
Qiao Sun, National Institute of Metrology (China)
Jie Bai, National Institute of Metrology (China)
Zhe Fan, National Institute of Metrology (China)


Published in SPIE Proceedings Vol. 11053:
Tenth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Jie Lin, Editor(s)

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