Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Chengqun Chu"'
Autor:
Bowen Qi, Juan Cui, Yongqiu Zheng, Bingrui Zhang, Chengqun Chu, Xiaolong Yan, Xiang Gao, Chenyang Xue
Publikováno v:
Micromachines, Vol 15, Iss 1, p 48 (2023)
The condition monitoring (CM) of sealed metal compartments (SMCs) is an urgently required restructure. Ultrasound penetrates SMCs to power and communicate with built-in sensors, enabling the CM of SMCs. However, current ultrasonic wireless power tran
Externí odkaz:
https://doaj.org/article/2513834f162248c1bd20e5a68dbfaad4
Publikováno v:
PLoS ONE, Vol 18, Iss 2, p e0274054 (2023)
Image contrast enhancement uses the object intensity transformation function to maximize the amount of information to enhance an image. In this paper, the image enhancement problem is regarded as an optimization problem, and the particle swarm algori
Externí odkaz:
https://doaj.org/article/7cc0791afe52455aa5a21901103f808a
Publikováno v:
Sensors, Vol 23, Iss 6, p 3299 (2023)
The inspection of railway fasteners to assess their clamping force can be used to evaluate the looseness of the fasteners and improve railway safety. Although there are various methods for inspecting railway fasteners, there is still a need for non-c
Externí odkaz:
https://doaj.org/article/8ab40d5f23484792974623017bbe8113
Publikováno v:
In Precision Engineering September 2020 65:91-102
Publikováno v:
PLoS ONE, Vol 13, Iss 10, p e0205072 (2018)
Cables play an important role in transmitting energy and information. In this article, in order to obtain the S-parameters of the special twisted pair cable with rectangular connectors, a de-embedding method of the transmission matrix is proposed to
Externí odkaz:
https://doaj.org/article/d5dfa0c0c0f24c068fd45dae432f6105
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 11 (2015)
The paper proposes an efficient multiplexing scheme that is easy to realize synchronous sampling in a multichannel acquisition system with the large number of analogue inputs and different sampling rates. And then, a simple improved sampling control
Externí odkaz:
https://doaj.org/article/377949fa32e4426db0286149db5d2c78
Publikováno v:
Metrology and Measurement Systems, Vol 22, Iss 3, Pp 403-416 (2015)
This paper presents a simple DFT-based golden section searching algorithm (DGSSA) for the single tone frequency estimation. Because of truncation and discreteness in signal samples, Fast Fourier Transform (FFT) and Discrete Fourier Transform (DFT) ar
Autor:
Jun Liu, Yongqiu Zheng, Yongfeng Ren, Li Xiaofeng, Chengqun Chu, Panlong An, Shubin Yan, Chenyang Xue
Publikováno v:
Chinese Optics Letters. 13:020601-20604
Wide dynamic range is an important index of the resonator fiber optic gyro (RFOG). The dynamic range is related to the parameters of the fiber ring resonator (FRR). After adopting the appropriate parameters, the resonant curve of a FRR and the synchr
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 11 (2015)
The paper proposes an efficient multiplexing scheme that is easy to realize synchronous sampling in a multichannel acquisition system with the large number of analogue inputs and different sampling rates. And then, a simple improved sampling control
Publikováno v:
Sensor Letters. 11:2189-2191