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Luigi Lombardi, Gianvito Matarrese and Cristoforo Marzocca
The quartz tuning fork used as an acoustic sensor in quartz-enhanced photo-acoustic spectroscopy gas detection systems is usually read out by means of a transimpedance preamplifier based on a low-noise operational amplifier closed in a feedback loop. The...
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Martin Farkas, Benedikt Bergmann, Pavel Broulim, Petr Burian, Giovanni Ambrosi, Philipp Azzarello, Luká? Pu?man, Mateusz Sitarz, Petr Smolyanskiy, Daniil Sukhonos and Xin Wu
We present the characterization of a highly segmented ?large area? hybrid pixel detector (Timepix3, 512 × 512 pixels, pixel pitch 55 µm) for application in space experiments. We demonstrate that the nominal power consumption of 6 W can be reduced by chan...
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Zhongqiu Wang, Lumin Wang, Yongjin Wang, Hao Tang and Liuxiong Xu
The purpose of this study was to comprehend the escape intensity and its influencing factors in Antarctic krill (Euphausia superba) that escaped through large mesh located at the front end of commercial trawl nets. Two pocket nets were employed to collec...
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Rouzbeh Shabani, Olav Torp, Ole Jonny Klakegg and Agnar Johansen
To succeed with projects, we need to understand and manage uncertainty. Uncertainties impact a project?s cost, time, and quality performance. The project?s front end is challenging for decision makers due to the high level of uncertainty. This paper iden...
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Yi Jia, Chaokuan Wei, Ziqiu Huang, Qi Li, Ping Liao and Wencong Lin
To effectively control the stress state and spatial alignment of arch ribs in the cable hoisting construction of a long-span, concrete-filled, steel tube arch bridge and ensure the safety of the structure, it is necessary to calculate and determine the a...
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Saidur R. Pavel and Yimin D. Zhang
Massive multiple-input multiple-output (MIMO) technology, which is characterized by the use of a large number of antennas, is a key enabler for the next-generation wireless communication and beyond. Despite its potential for high performance, implementin...
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Xiangsuo Fan, Xiaokang Chen, Wenhao Xu, Lingping Feng, Ling Yu and Haohao Yuan
In this paper, we propose a new filtering switch with excellent working performance made using an optimized coupled microstrip line. Upon analyzing the RF (radio frequency) front-end?s system structure, the switching device was simplified to a diode, whi...
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Andrea Di Salvo, Sara Garbolino, Marco Mignone, Stefan Cristi Zugravel, Angelo Rivetti, Mario Edoardo Bertaina and Pietro Antonio Palmieri
This work presents the development of a 64-channel application-specific integrated circuit (ASIC), implemented to detect the optical Cherenkov light from sub-orbital and orbital altitudes. These kinds of signals are generated by ultra-high energy cosmic ...
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Bo Yang, He Yu, Chaofan Liu, Xiang Wei, Zichen Fan and Jun Miao
High-speed turbulence is generated when hypersonic vehicles fly in the atmosphere, which can create aero-optical effects and interfere with optical navigation and guidance systems. At the same time, the front end and optical window of hypersonic vehicles...
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Jeong-Sik Park and Na Geng
Most conventional speech recognition systems have mainly concentrated on voice-driven control of personal user devices such as smartphones. Therefore, a speech recognition system used in a special environment needs to be developed in consideration of the...
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