A high-precision 1D dynamic angular measuring system based on linear CCD for Fengyun-2 meteorological satellite

Liu, Hongfei; Bao, Lijun; Chen, Qiuxia; Chen, Zhong

doi:10.1016/j.optlastec.2011.03.029

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Cited by 4 publications

References 29 publications

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Numerical simulations on the enhancement of the signal-to-noise ratio by using a vector vortex beam with polarization modulation in LIDAR applications

Wei,

Zhou,

et al. 2024

Optics & Laser Technology

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Numerical simulations on the enhancement of the signal-to-noise ratio by using a vector vortex beam with polarization modulation in LIDAR applications

Wei,

Zhou,

et al. 2024

Optics & Laser Technology

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Automatic pointer meters recognition system based on line scan vision

Wang¹

2022

Meas. Sci. Technol.

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The automatic recognition of pointers is of great significance for efficiently collecting measurements from industrial instruments. In this paper, an automatic pointer meter recognition system based on line scan vision is developed. A line scan camera is used to capture images of the pointer of a pointer meter. Light-spot centroid algorithm is implemented to determine the centroid position of the pointer. The captured images can record the dynamic movement of the pointer, thereby enabling condition monitoring in industrial processes. Experimental results show that the proposed pointer meter extraction method is robust against interference and that a characteristic segmentation classifier produces more accurate detection results than other approaches.

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Rotation angle measurement based on white-light interferometry with a standard optical flat

et al. 2012

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We propose a simple white-light interferometric method of measuring a one-dimensional rotation angle with use of an optical plane parallel plate of standard refractive index. The phase change of the interference pattern of the interferometer during the rotation of the flat plate of known refractive index and thickness placed in one of the interferometer's arms is used for determination of the rotation angle. This method has been demonstrated for an accurate angle measurement over the angle range from 0° to 40° within a maximum uncertainty of 0.057°.

show abstract

A high-precision 1D dynamic angular measuring system based on linear CCD for Fengyun-2 meteorological satellite

Cited by 4 publications

References 29 publications

Numerical simulations on the enhancement of the signal-to-noise ratio by using a vector vortex beam with polarization modulation in LIDAR applications

Numerical simulations on the enhancement of the signal-to-noise ratio by using a vector vortex beam with polarization modulation in LIDAR applications

Automatic pointer meters recognition system based on line scan vision

Rotation angle measurement based on white-light interferometry with a standard optical flat

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