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Jing Li, Jin Fu and Nan Zou
The underwater channel is bilateral, heterogeneous, uncertain, and exhibits multipath transmission, sound line curvature, etc. These properties complicate the structure of the received pulse, causing great challenges in direct signal identification for r...
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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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Yongjie Zhuang and Yangfan Liu
In commercial non-adaptive active noise control (ANC) applications, an IIR filter structure is often used to reduce real-time computations. On the contrary, an FIR filter structure is usually preferred in the filter design phase because the FIR filter de...
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Alexander Dierlamm, Matthias Balzer, Felix Ehrler, Ulrich Husemann, Roland Koppenhöfer, Ivan Peric, Martin Pittermann, Bogdan Topko, Alena Weber, Stephan Brons, Jürgen Debus, Nicole Grau, Thomas Hansmann, Oliver Jäkel, Sebastian Klüter and Jakob Naumann
Particle therapy is a well established clinical treatment of tumors. More than one hundred particle therapy centers are in operation world-wide. The advantage of using hadrons like protons or carbon ions as particles for tumor irradiation is the distinct...
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Zhen Han, Weiliang Tao, Dan Zhang and Peng Jiang
The oceanic positioning, navigation and timing (PNT) network requires high-quality underwater acoustic message transmission. Turbo equalization technology has exhibited superior performance for underwater acoustic (UWA) communications compared with conve...
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Yehav Alkaher and Israel Cohen
In this paper, we address the problem of howling detection in speech reinforcement system applications for utilization in howling control mechanisms. A general speech reinforcement system acquires speech from a speaker?s microphone, and delivers a reinfo...
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Liang Li, Yiping Li, Yuexing Zhang, Gaopeng Xu, Junbao Zeng and Xisheng Feng
Effective communication between multiple autonomous underwater vehicles (AUVs) is necessary for formation control. As the most reliable underwater communication method, acoustic communication still has many constraints compared with radio communication, ...
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Jose A. Almagro-Pastor, Rafael García-Quesada, Jerónimo Vida-Manzano, Francisco J. Martínez-Irureta and Ángel F. Ramos-Ridao
This paper analyses the acoustic behaviour of the Palace of Charles V from a room acoustics perspective but also ponders the uniqueness of the space and its ability to engage and enhance the audience experience. The Palace of Charles V is a relevant part...
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Juan Li, Huadong Zhang, Tao Chen and Jiaqi Wang
Aiming at the control problem of autonomous underwater vehicle (AUV) pilot-following formation with communication delay and communication interruption, a controller based on feedback linearization and the PD control method is designed in this paper. Firs...
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Yiming Jiang, Tie Zhang, Gaoxuan Wang and Sailing He
A dual-gas photoacoustic spectroscopy (PAS) sensor based on wavelength modulation spectroscopy (WMS) was developed and experimentally demonstrated. Distributed feedback (DFB) laser diodes, emitting at 1512 and 1653 nm, were utilized as the excitation sou...
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