Výsledky vyhledávání - "Aaron Y. K. Yan"

Speeding Up Monte Carlo Computations by Parallel Processing Using a GPU for Uncertainty Evaluation in accordance with GUM Supplement 2

Autor: Hau Wah Lai, Aaron Y. K. Yan, Cho Man Tsui

Publikováno v: NCSLI Measure. 12:41-56

The GUM Supplement 2 describes a Monte Carlo Method (MCM) for evaluating measurement models with more than one output quantity. Such models are common in electrical metrology where the measurands m...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67ca3bfc9868eb45e22cfcc156e247c8
https://doi.org/10.1080/19315775.2019.1710003

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Calibration of the Frame Rate of High-Speed Digital Video Recorders by Stationary Counting Method: Application of the Stroboscopic Effect

Autor: Aaron Y. K. Yan, Hau Wah Lai, C. K. Ma, Michael W. K. Chow

Publikováno v: NCSLI Measure. 12:38-44

By leveraging the stroboscopic effect, a new method, namely the Stationary Counting Method, has been developed at the Standards and Calibration Laboratory (SCL) of Hong Kong for calibrating...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c66b84a68a234974f72133d47bdc587
https://doi.org/10.1080/19315775.2019.1572480

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MEASUREMENT OF REGULAR SPECTRAL TRANSMITTANCE OF OPTICAL FILTERS

Autor: Brenda H. S. Lam, Aaron Y. K. Yan, Steven S. L. Yang, Y. C. Chau

Publikováno v: PROCEEDINGS OF THE CONFERENCE AT THE CIE MIDTERM MEETING 2017 23 – 25 OCTOBER 2017, JEJU, REPUBLIC OF KOREA.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f658b0ccaada6f74f2a2113ac6c8901
https://doi.org/10.25039/x44.2017.po41

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CALIBRATION OF LUMINANCE METERS

Autor: Steven S. L. Yang, Y. C. Chau, Brenda H. S. Lam, Aaron Y. K. Yan

Publikováno v: PROCEEDINGS OF THE CONFERENCE AT THE CIE MIDTERM MEETING 2017 23 – 25 OCTOBER 2017, JEJU, REPUBLIC OF KOREA.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cc080f6ca7eb2c96f4075cc3015f4eb
https://doi.org/10.25039/x44.2017.po40

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Calibration of Optical Fiber Laser Sources

Autor: Barry K. Y. Chan, Aaron Y. K. Yan, Samuel C. K. Ko

Publikováno v: NCSLI Measure. 10:26-31

A calibration system for optical fiber laser sources has been developed at the Government of the Hong Kong Special Administrative Region Standards and Calibration Laboratory (SCL). The measurements of wavelength, output power level and output power s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::016987b8e1d89dbfbc217566818d4cc7
https://doi.org/10.1080/19315775.2015.11721713

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Calibration of Ultrasonic Flaw Detectors

Autor: Hing-wah Li, Aaron Y. K. Yan, Samuel C. K. Ko

Publikováno v: NCSLI Measure. 9:62-69

A calibration system for ultrasonic flaw detectors has been developed at the Government of the Hong Kong Special Administrative Region Standards and Calibration Laboratory (SCL) in accordance with the international standard EN12668-1:2010. The calibr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14d959f67afe371b9549faaf4ce3c474
https://doi.org/10.1080/19315775.2014.11721697

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An Automated Thermometer Calibration System Using Optical Character Recognition and Video Imaging Technology

Autor: Julian C. P. Cheung, Aaron Y. K. Yan

Publikováno v: NCSLI Measure. 8:32-38

Thermometers under test are traditionally calibrated by comparison with reference thermometers, such as standard platinum resistance thermometers in liquid baths. The process is time consuming and ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f224cded06d322399f17b0f7546ca687
https://doi.org/10.1080/19315775.2013.11721661

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Automatic Calibration of DC Low Level Current Sources and Meters

Autor: Dennis W. K. Lee, Aaron Y. K. Yan, H. S. Lam, Johnny C. Y. Poon, Y. C. Chau

Publikováno v: NCSLI Measure. 8:34-38

An automated system has been developed at SCL for the calibration of low level dc current sources and meters, including electrometers and femtoammeters, from 100 picoamperes (pA) down to 100 femtoamperes (fA). The system is comprised of in-house deve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89f408365871a0f90c990d28930eb857
https://doi.org/10.1080/19315775.2013.11721638

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VRC measurement for 3.5 mm one-port coaxial system using network analyzer fitted with Type K connector

Autor: Aaron Y. K. Yan, C. K. Ko Samuel

Publikováno v: 2016 Conference on Precision Electromagnetic Measurements (CPEM 2016).

This paper describes Voltage Reflection Coefficient (VRC) measurement for 3.5 mm one-port coaxial system using network analyzer fitted with Type K connector by incorporating measurement uncertainty due to discontinuity between the two different conne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b37b9d0778f04a487dda079e81fd6dfd
https://doi.org/10.1109/cpem.2016.7540507

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High accuracy and traceable power quality instrument calibration using high-speed digitizing technique

Autor: S.-L.S. Yang, Chris M. N. Ng, Aaron Y. K. Yan

Publikováno v: 2016 Conference on Precision Electromagnetic Measurements (CPEM 2016).

Owing to the rapid development in electricity smart grids as well as the rapid increase in renewable energy sources, there has been more focus on the measurement of power quality (PQ) signals. Voltage harmonics, inter-harmonics and flicker are major

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bd5caf1fae632518d2be8a3c6908ed3
https://doi.org/10.1109/cpem.2016.7540734

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