Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Wen-Hai Xu"'
Publikováno v:
Journal of Advanced Transportation, Vol 2021 (2021)
Judicious use of lamps is of profound significance to improve the internal traffic safety of tunnels. This study evaluated the biological effects of spectrum on human visual and nonvisual under mesopic vision category. According to the difference of
Externí odkaz:
https://doaj.org/article/3886343efe5a4e268c194af2e28f289a
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
The long reaction time of human eyes will increase the probability of traffic accidents in tunnels which can be reduced by improving lighting conditions. In recent years, light-emitting diodes (LEDs) have replaced the traditional lighting source in a
Externí odkaz:
https://doaj.org/article/cc13d5a5a7b7436e87a2d43afb7b8426
Publikováno v:
Applied Mechanics and Materials. 734:984-993
It is serious that the electric energy waste exists in highway tunnel operation. Operators and institutes of scientific research pay more and more attention that how to reduce the energy consumption of lighting system of highway tunnels, improve the
Publikováno v:
Advanced Materials Research. 1022:193-196
This paper studies the single-sideband RF signals in the optical carrier side than the problem. RF signals modulated optical carrier OSSB + C modulation index is usually small, leading edge modulated carrier radio frequency signal generated by the op
Publikováno v:
Applied Mechanics and Materials. :1519-1522
Mid-wavelength infrared imager is widely used in the fields of security and detection with its unique band imaging characteristics, and it needs related studies of radiance calibration as to be used accurately and effectively. With the linear propert
Publikováno v:
Applied Mechanics and Materials. :1255-1259
In order to solve the problem that existing underwater GPS positioning technology can only realize positioning underwater target installing acoustic transponder, the underwater target positioning system having good dependability with ultra-short base
Publikováno v:
Applied Mechanics and Materials. :312-316
In order to overcome the limits of visual observation widely used in ship draft survey, a digital measurement system based on image acquisition and processing is presented. The images of drafts are obtained by an image acquisition unit containing a h
Publikováno v:
Applied Mechanics and Materials. :909-914
Multi beam sonar needs complex data processing lying on human intervention to get accurate depth contour and low accuracy in sonar image which prevent its popular use in surveying seafloor targets. To survey seafloor target in different depth by GeoS
Publikováno v:
Sustainability (2071-1050); Dec2017, Vol. 9 Issue 12, p2208, 12p
Publikováno v:
Mitochondrion. 34
Effects of pre-gestational physical activity on the later development of embryos generated in vitro were evaluated. Kunming mice were divided into two groups, namely exercised and unexercised, with the former undergoing physical training on a motor-d