|
|
|
|
|
Artem T. Turov, Fedor L. Barkov, Yuri A. Konstantinov, Dmitry A. Korobko, Cesar A. Lopez-Mercado and Andrei A. Fotiadi
This work studies the application of low-cost noise reduction algorithms for the data processing of distributed acoustic sensors (DAS). It presents an improvement of the previously described methodology using the activation function of neurons, which enh...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinjun Li, Zhihao He, Chunde Piao, Weiqi Chi and Yi Lu
The development height and settlement prediction of water-conducting fracture zones caused by coal seam mining play an important role in the stability of overburden aquifers and the safety of roadways. Based on the engineering geological data of the J60 ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Artem T. Turov, Yuri A. Konstantinov, Fedor L. Barkov, Dmitry A. Korobko, Igor O. Zolotovskii, Cesar A. Lopez-Mercado and Andrei A. Fotiadi
Moving differential and dynamic window moving averaging are simple and well-known signal processing algorithms. However, the most common methods of obtaining sufficient signal-to-noise ratios in distributed acoustic sensing use expensive and precise equi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Amanda Leong, Steven Derek Rountree and Jinsuo Zhang
This research article explores the potential of optical fibers as sensors, highlighting their ability to measure various parameters such as temperature, pressure, stress, and radiation dose. The study focuses on investigating the material compatibility o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhipeng Liang, Huawei Zhou, Chunju Zhao, Fang Wang and Yihong Zhou
With the influence of intense solar radiation heat and the greater temperature difference between day and night, surface concrete with a drastic temperature change can easily experience a great nonlinear temperature difference, which increases the risk o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Stephen A. Whitmore, Cara I. Frischkorn and Spencer J. Petersen
A method for in-situ optical measurements of solid and hybrid propellant rocket plumes is developed, and results from proof of concept tests are presented. The developed method inserts fiber-optic cables acting as radiation conduits into the solid-fuel c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhannat Ashikbayeva, Arman Aitkulov, Alexey Wolf, Alexander Dostovalov, Aida Amantayeva, Aliya Kurbanova, Vassilis J. Inglezakis and Daniele Tosi
Thermal ablation (TA) is known as an alternative therapy to surgery to treat tumors. However, TA-based therapy requires advanced approaches in order to prevent causing damage to healthy tissue around the tumor and selectively target the desired area. Nan...
ver más
|
|
|
|
|
|
|
|
|
|
|
Maoqing Chen, Qifeng Liu and Yong Zhao
A magnetic fluid (MF)-based magnetic field sensor with a filling-splicing fiber structure is proposed. The sensor realizes Mach?Zehnder interference by an optical fiber cascade structure consisting of single mode fiber (SMF), multimode fiber (MMF), and s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weiyang Song, Peng Xie, Shuai Liu and Yunqiang Xie
With the development of space optical remote sensing technology, especially off-axis space cameras, the thermal dimensional stability of the support structure has become increasingly demanding. However, the asymmetry of the camera structure has not been ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lei Gao, Chuan Han, Omar Abdulhafidh, Yunhao Gong and Yingjie Jin
In order to study the deformation of a bored pile during concrete curing, it is necessary to monitor the strain of the pile. In this paper, Brillouin optical time domain reflectometer (BOTDR) technology is used to monitor the pile strain during concrete ...
ver más
|
|
|
|
|
|