Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Wanjia Gao"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract This paper introduces an enhanced time synchronization method different from IEEE 1588 (PTP). The proposed algorithm employs a unique synchronous message packet structure with a fixed length of 10 bytes and the highest system priority. This
Externí odkaz:
https://doaj.org/article/0d070f5ca6da44d980c1b14289d05878
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 1006-1015 (2023)
In the detection of metal defects by ultrasonic Lamb waves, the commonly used medical coupling agent is volatile, poor stability, and the coupling effect is easily affected. It is vital to find the coupler materials with better performance. This pape
Externí odkaz:
https://doaj.org/article/0d32832c0bb24163b5017816d4b8e1ab
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 5, Pp 1-5 (2021)
In this study, a novel high-reliability liquid leakage sensor with a V-shaped defect coupling structure (VDCS) is proposed and experimentally demonstrated using polymer optical fibers (POFs) based on a light-emitting diode (LED) side-coupled light so
Externí odkaz:
https://doaj.org/article/cc8bc0a30a054376a14066a50a6a8d20
Publikováno v:
Sensors, Vol 22, Iss 13, p 5046 (2022)
The ultrasonic Lamb wave detection principle can realize the noncontact measurement of liquid level in closed containers. When designing an ultrasonic Lamb wave sensor, it is vital to thoroughly study and select the optimal wedge size at the front of
Externí odkaz:
https://doaj.org/article/e7ffa2f153e741c5b853fab426d5b167
Publikováno v:
Sensors, Vol 22, Iss 7, p 2582 (2022)
Topology architecture has a decisive influence on network reliability. In this paper, we design a novel redundancy topology and analyze the structural robustness, the number of redundant paths between two terminal nodes, and the reliability of the pr
Externí odkaz:
https://doaj.org/article/1226b9a2b5ab4e1080840bf1c2af5216
Publikováno v:
Remote Sensing, Vol 13, Iss 11, p 2216 (2021)
In recent years, deep learning has been successfully applied to hyperspectral image classification (HSI) problems, with several convolutional neural network (CNN) based models achieving an appealing classification performance. However, due to the mul
Externí odkaz:
https://doaj.org/article/d25fced3426543e59289bae9c4070948
Publikováno v:
Remote Sensing, Vol 13, Iss 11, p 2171 (2021)
Despite significant progress in object detection tasks, remote sensing image target detection is still challenging owing to complex backgrounds, large differences in target sizes, and uneven distribution of rotating objects. In this study, we conside
Externí odkaz:
https://doaj.org/article/076ee9daa1214f019f472bc3e7e8705b
Publikováno v:
Sensors, Vol 21, Iss 9, p 3123 (2021)
The performance of the ultrasonic transducer will directly affect the accuracy of ultrasonic experimental measurement. Therefore, in order to meet the requirements of a wide band, a kind of annular 2-2-2 piezoelectric composite is proposed based on d
Externí odkaz:
https://doaj.org/article/75ad655c83c84dfca274f70d58ea7ca4
Publikováno v:
Sensors, Vol 21, Iss 4, p 1320 (2021)
Selecting and designing the optimum ultrasonic probe is vital for ultrasonic measurements and experiments. The amplitude of the emitted ultrasonic wave excitation signal as well as the diameter and the natural frequency of the probe seriously affect
Externí odkaz:
https://doaj.org/article/31d55a1e0a1443f6ac0f2b669341285b
Publikováno v:
Micromachines, Vol 11, Iss 8, p 763 (2020)
In the method of monitoring the liquid level based on ultrasonic impedance, the near-field effect can seriously affect the validity of the results. In this paper, we explore the factors affecting the length of the ultrasonic near field. Based on that
Externí odkaz:
https://doaj.org/article/086b8ee3759b4f119fc0d15b46b626db