Dr. Chenguang Cai Profile

Dr. Chenguang Cai

Postdoc Researcher at National Institute of Metrology

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Publications (10)

Proceedings Article | 3 January 2020 Paper

Spacing detection method for shearing interference fringes containing speckle noises

Shuman He, Chenguang Cai, Zhihua Liu, Ying Wang, Huichao Shi

Proceedings Volume 11373, 113730J (2020) https://doi.org/10.1117/12.2557203

KEYWORDS: Image filtering, Speckle, Linear filtering, Image processing, Digital filtering, Fourier transforms, Optical filters, Shearing interferometers, Binary data

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Proceedings Article | 7 March 2019 Paper

Study on resonant high-acceleration calibration system

Qi Lv, Chenguang Cai, Guodong Zhai, Zhihua Liu, Jiachun Cheng

Proceedings Volume 11053, 110534Q (2019) https://doi.org/10.1117/12.2517313

KEYWORDS: Sensors, Calibration, Sensor calibration, Signal processing, Amplifiers, Data acquisition, Mining, Metrology, Aerospace engineering, Error control coding

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Proceedings Article | 7 March 2019 Paper

A high precision edge detection method for the blurred image in motion measurement

Zhang Ying, Chenguang Cai, Zhihua Liu, Yang Ming

Proceedings Volume 11053, 110532K (2019) https://doi.org/10.1117/12.2511940

KEYWORDS: Image enhancement, Edge detection, Motion measurement, Wavelet transforms, Machine vision, Cameras, Reliability, Image quality, Optical flow

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Proceedings Article | 7 March 2019 Paper

A novel Earth’s gravity method for accelerometer calibration

Shengyang Zhou, Chengang Cai, Ying Wang, Zhihua Liu, Ming Yang

Proceedings Volume 11053, 110532G (2019) https://doi.org/10.1117/12.2511921

KEYWORDS: Calibration, Laser interferometry, Precision calibration, Hough transforms, Metrology, Standards development, Machine vision

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Proceedings Article | 24 October 2017 Paper

Correction of phase delay caused by mixer and lowpass filter in heterodyne interferometer

Ming Yang, Chenguang Cai, Ying Wang, Zhihua Liu, Haijiang Zhu

Proceedings Volume 10457, 104570E (2017) https://doi.org/10.1117/12.2282262

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Proceedings Article | 10 October 2013 Paper

Vibration criteria for vibration-sensitive laboratory based on intrinsic microseism

Chenguang Cai, Biao Zhou, Jingsheng Li

Proceedings Volume 8916, 891633 (2013) https://doi.org/10.1117/12.2038335

KEYWORDS: Metrology, Virtual colonoscopy, Fluctuations and noise, Lutetium, Nanotechnology, Standards development, Buildings, Lithium, Manufacturing equipment, Manufacturing

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Proceedings Article | 31 January 2013 Paper

Evaluation of vibration transducer resolution by using intrinsic microseism

Chenguang Cai, Jiaping Xu, Jingsheng Li

Proceedings Volume 8759, 87594N (2013) https://doi.org/10.1117/12.2016777

KEYWORDS: Transducers, Metrology, Signal to noise ratio, Servomechanisms, Electromagnetism, Interference (communication), Time metrology, Lutetium, Calibration, Precision measurement

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Proceedings Article | 16 November 2011 Paper

A novel implementation of homodyne time interval analysis method for primary vibration calibration

Qiao Sun, Ling Zhou, Chenguang Cai, Hongbo Hu

Proceedings Volume 8321, 83212K (2011) https://doi.org/10.1117/12.905077

KEYWORDS: Calibration, Interferometers, Homodyne detection, Phase shifts, Phase measurement, Michelson interferometers, Data acquisition, Time metrology, Metrology, Demodulation

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Proceedings Article | 28 December 2010 Paper

Measurement of damping properties of damping material

Chenguang Cai, Qiao Sun

Proceedings Volume 7544, 75440S (2010) https://doi.org/10.1117/12.885843

KEYWORDS: Complex systems, Signal processing, Solids, Electromagnetism, Standards development, Control systems, Sun, Metrology, Lutetium, Composites

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Proceedings Article | 28 October 2006 Paper

Effects of phase-drift on measure accuracy in the closed loop of resonant sensors

Chenguang Cai, Shangchun Fan, Weiwei Xing

Proceedings Volume 6358, 63580R (2006) https://doi.org/10.1117/12.717797

KEYWORDS: Resonators, Control systems, Sensors, Phase shifts, Differential equations, Phase measurement, Automatic control, Fluctuations and noise, Optoelectronics, Temperature metrology

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Showing 5 of 10 publications

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