Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Liqiang ZHU"'
Autor:
Li ZHI, Meiqi SHENG, Yurong SONG, Xu SUN, Liqiang ZHU, Chengcheng ZHU, Wenyi WEI, Ze YIN, Limei JIN, Zhijiang LI
Publikováno v:
Shipin gongye ke-ji, Vol 43, Iss 23, Pp 183-191 (2022)
The concentrated blueberry candied syrup and the whole milk sterilized pure milk were used as raw material to prepare set yoghurt. The influence of addition amount for blueberry candied syrup, sugar content, starter inoculation quantity and fermentat
Externí odkaz:
https://doaj.org/article/1995c526dc3d44d0b517ba45ebf15b99
Publikováno v:
Measurement + Control, Vol 55 (2022)
For the images of crack defects of subway tunnel, traditional image processing algorithms is hardly effective for dealing with problems existing in the image like uneven illumination or severe noise interference. Based on pixel-level processing, an i
Externí odkaz:
https://doaj.org/article/2ba9468676d54bf3966e3898840862f8
Publikováno v:
IEEE Access, Vol 8, Pp 163015-163025 (2020)
In modern railway systems, video surveillance and machine vision analysis have been widely used to detect perimeter intrusions. For pan-tilt-zoom (PTZ) cameras, the machine vision system needs to detect adjustments in PTZ cameras and then automatical
Externí odkaz:
https://doaj.org/article/5d6408caf6fa43a0bad4141325659c5e
Publikováno v:
IEEE Access, Vol 7, Pp 143524-143538 (2019)
Linear guided wave based methods have been proposed to measure the axial load of continuously welded rail (CWR) in service. The underlying principle is that the propagation velocities of excited guided waves are sensitive to the axial load. However,
Externí odkaz:
https://doaj.org/article/54b547fcc65a4e1d9ebe7e898cda8fec
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
The cross-sectional geometry of a rail is complex, and numerous guided wave modes can be propagated in rails. In order to select a mode which is the most suitable for detecting a specific crack on a rail, a mathematical model of guided wave mode sele
Externí odkaz:
https://doaj.org/article/e8f963a4ad404bad84647e1f4b5a9e31
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
Cement asphalt mortar (CA) disengagement of a ballastless track will induce changes of dynamic response of a passing vehicle, which can accordingly be used to estimate the disengagement degree. In this paper, a novel method called CA mortar disengage
Externí odkaz:
https://doaj.org/article/f942ba7bf71046cb8ac456304e99e92a
Publikováno v:
Applied Sciences, Vol 10, Iss 15, p 5124 (2020)
Cumulative second harmonic of ultrasonic guided waves is considered to have great application potential in evaluating internal stress of structures. One difficulty with the application is the diversity and complexity of modal response to the stress c
Externí odkaz:
https://doaj.org/article/9b999f6fc57f4c6cbaa6a14b5de77c6e
Publikováno v:
Sensors, Vol 20, Iss 6, p 1769 (2020)
Non-destructive rail testing and evaluation based on guided waves need accurate information about the mode propagation characteristics, which can be obtained numerically with the exact material properties of the rails. However, for rails in service,
Externí odkaz:
https://doaj.org/article/36b281f1bc874950803d3641a0d52d51
Publikováno v:
Journal of Advanced Transportation, Vol 2018 (2018)
Objects intruding high-speed railway clearance do great threat to running trains. In order to improve accuracy of railway intrusion detection, an automatic multimodal registration and fusion algorithm for infrared and visible images with different fi
Externí odkaz:
https://doaj.org/article/f9e3d570fc8245cfbb935c2f34b5dba0
Publikováno v:
Applied Sciences, Vol 9, Iss 15, p 2981 (2019)
With the rapid development of high-speed railways, any objects intruding railway clearance will do great threat to railway operations. Accurate and effective intrusion detection is very important. An original Single Shot multibox Detector (SSD) can b
Externí odkaz:
https://doaj.org/article/44974f6a7c924bb5a1689423ad6766df