|
|
|
|
|
Markeljan Fishta, Erica Raviola and Franco Fiori
The smart management of water resources is an increasingly important topic in today?s society. In this context, the paradigm of Smart Water Grids (SWGs) aims at a constant monitoring through a network of smart nodes deployed over the water distribution i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cheng-Tsung Chen, Jaw-Fang Lee, Kuei-Ting Lin and Pi-Sheng Hu
Transient characteristics of wave generation in the wave channel can provide unique and important information in contrast to the steady and periodic motion of propagation waves. In this paper, a new analytical solution is proposed for a transient wavemak...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yang Shi, Shuwen Wang, Fan Yang and Kunde Yang
Atmospheric ducts are special super-refractive atmospheric structures that can cause over-the-horizon propagation of electromagnetic waves. Different types of atmospheric ducts have different influences on electromagnetic wave propagation. Owing to the c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Longzai Ge, Hanbao Chen, Songgui Chen and Haiyuan Liu
In order to ensure the safety and reliability of the submerged tunnel covering layer at the junction of an artificial island and tunnel under extremely bad conditions, the wave current characteristics and the stability of the protective structure in the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Curt D. Storlazzi, Annouk E. Rey and Ap R. van Dongeren
Many populated, tropical coastlines fronted by fringing coral reefs are exposed to wave-driven marine flooding that is exacerbated by sea-level rise. Most fringing coral reefs are not alongshore uniform, but bisected by shore-normal channels; however, li...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roman Novak
Pág. 269 - 278
In telecommunication channel modelling the wavelength is small compared to the physical features of interest, therefore deterministic ray tracing techniques provide solutions that are more efficient, faster and still within time constraints than current ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Prateek Saurabh Srivastav, Lan Chen and Arfan Haider Wahla
Channel estimation is a formidable challenge in mmWave Multiple Input Multiple Output (MIMO) systems due to the large number of antennas. Therefore, compressed sensing (CS) techniques are used to exploit channel sparsity at mmWave frequencies to calculat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xingbo Lu, Weiwei Yang, Yueming Cai and Xinrong Guan
Compressed sensing (CS) has great potential in channel estimation for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems. To solve such a CS-based channel estimation problem, three categories of algorithms, namely convex relax...
ver más
|
|
|
|
|
|
|
|
|
|
|
Changfang Guo, Zhen Yang, Shuai Chang, Ting Ren and Wenli Yao
Precise prediction of coal thickness is of the utmost importance in realizing intelligent and unmanned mining. As the channel wave is characterized by an easily recognizable waveform, a long propagation distance, and strong energy, it is widely used for ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiajia Pan and Hung Tao Shen
A two-dimensional wave model coupled with ice dynamics is developed to evaluate ice effects on shallow water wave propagation on a beach and in a channel. The nonlinear Boussinesq equations with ice effects are derived and solved by the hybrid technique ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ángel Encalada-Dávila, Lenín Pardo, Yolanda Vidal, Efraín Terán and Christian Tutivén
Structural health monitoring (SHM) systems are designed to continually monitor the health of structures (e.g., civil, aeronautic) by using the information collected through a distributed sensor network. However, performing tests on real structures, such ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Feidong Zheng, Yun Li, Guoxiang Xuan, Zhonghua Li and Long Zhu
A positive surge is an unsteady open channel flow motion characterized by an increase of flow depth. In previous experimental studies, a positive surge was typically induced by either a sudden increase of discharge in a channel or by the rapid closure of...
ver más
|
|
|
|
|
|
|
|
|
|
|
Richard Jurisits
Pág. 55 - 59
A solitary wave in two-dimensional, incompressible, turbulent free-surface flow over a plane bottom with small, constant slope is considered. The flow is assumed to be slightly supercritical with Froude numbers close to 1. If the flow far upstream and fa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ayyuob Mahmoodi, Mir Ahmad Lashteh Neshaei, Abbas Mansouri and Mahmood Shafai Bejestan
The Nowshahr port in the southern coastlines of the Caspian Sea is among the oldest northern ports of Iran, first commissioned in the year 1939. In recent years, this port has been faced with severe sedimentation issues in and around its entrance that ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tanvir Hossain, Tadbirul Islam, Mohammad Nasir Uddin
Pág. 107 ? 112
|
|
|
|
|
|
|
|
|
|
|
Yu Gai, Qi Tan, Yating Zhang, Zhengyi Zhao, Yiguang Yang, Yanyan Liu, Ruitao Zhang and Jianquan Yao
Uplink communication across the water?air interface holds great potential for offshore oil surveys and military applications. Among the various methods available for implementing uplink communication, translational acoustic-RF (TARF) communication stands...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rafael P. Maciel, Cristiano Fragassa, Bianca N. Machado, Luiz A. O. Rocha, Elizaldo D. dos Santos, Mateus N. Gomes and Liércio A. Isoldi
This work presents a two-dimensional numerical analysis of a wave channel and a oscillating water column (OWC) device. The main goal is to validate a methodology which uses transient velocity data as a means to impose velocity boundary condition for the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abdul Salam
Underground sensing and propagation of Signals in the Soil (SitS) medium is an electromagnetic issue. The path loss prediction with higher accuracy is an open research subject in digital agriculture monitoring applications for sensing and communications....
ver más
|
|
|
|
|
|
|
|
|
|
|
Indrakshi Dey and Nicola Marchetti
In this paper, we develop a tractable mathematical model and an emulation framework for communicating information through water using acoustic signals. Water is considered one of the most complex media to model due to its vastness and variety of characte...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jia Liang, Kaiming Li, Qun Zhang and Zisen Qi
Simply speaking, automatic driving requires the calculation of a large amount of traffic data and, finally, the obtainment of the optimal driving route and speed. However, the key technical difficulty is the obtainment of data; thus, radar has become an ...
ver más
|
|
|
|
|
|