Wave Propagation In Complex Environments

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Wave Propagation In Complex Environments

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Author : Leilei Chen
language : en
Publisher: Frontiers Media SA
Release Date : 2024-12-02

Wave Propagation In Complex Environments written by Leilei Chen and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-02 with Science categories.

The problem of wave propagation, such as elastic waves, acoustic waves, and electromagnetic waves, are commonly encountered in a wide range of areas, including civil engineering, mechanical engineering, wireless communication, remote sensing, meteorology, etc. In realistic scenarios, waves normally propagate in complex environments. Electromagnetic waves are transmitted through the medium with small particles that have significant scattering and absorbing effects. Sound waves radiated by underwater vehicles in shallow seas are reflected by the sea surface and seabed. Wave propagation in complex environments is often associated with multi-physics fields. Ultrasound waves propagation in porous media can generate heat, and elastic waves in piezoelectric materials induce electric fields. In addition, the physical mechanism of wave propagation in complex environments should be investigated across different scales. For example, to understand the interaction between light transmission and the matters in the surrounding medium, it is necessary to couple particle physics, electromagnetics, and geometric optics.

Positioning And Navigation In Complex Environments

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Author : Yu, Kegen
language : en
Publisher: IGI Global
Release Date : 2018-01-05

Positioning And Navigation In Complex Environments written by Yu, Kegen and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-05 with Technology & Engineering categories.

The limitations of satellites create a large gap in assistive directional technologies, especially indoors. The methods and advances in alternate directional technologies is allowing for new systems to fill the gaps caused by the limitations of GPS systems. Positioning and Navigation in Complex Environments is a critical scholarly resource that examines the methodologies and advances in technologies that allow for indoor navigation. Featuring insight on a broad scope of topics, such as multipath mitigation, Global Navigation Satellite System (GNSS), and multi-sensor integration, this book is directed toward data scientists, engineers, government agencies, researchers, and graduate-level students.

A Celebration Of Mathematical Modeling

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Author : Dan Czamanski
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

A Celebration Of Mathematical Modeling written by Dan Czamanski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Mathematics categories.

ThisvolumecelebratestheeightiethbirthdayofJosephB. Keller. The authors who contributed to this volume belong to what can be called the “Keller school of applied mathematics. ” They are former students, postdoctoral fellows and visiting scientists who have collaborated with Joe (some of them still do) during his long career. They all look at Joe as their ultimate (role) model. JoeKeller’sdistinguishedcareerhasbeendividedbetweentheCourant Institute of Mathematical Sciences at New York University, where he received all his degrees (his PhD adviser being the great R. Courant himself) and served as a professor for 30 years, and Stanford University, where he has been since 1978. The appended photos highlight some scenes from the old days. Those who know Joe Keller’s work have been always amazed by its diversity and breadth. It is considered a well-known truth that there is not a single important area in applied mathematics or physics which Keller did not contribute to. This can be appreciated, for example, by glancing through his list of publication included in this volume. App- priately, the papers in this book, written with Joe’s inspiration, cover a variety of application areas; together they span the broad subject of mathematical modeling. The models discussed in the book describe the behavior of various systems such as those related to ?nance, waves, - croorganisms, shocks, DNA, ?ames, contact, optics, ?uids, bubbles and jets. Joe’s activity includes many more areas, which unfortunately are not represented here.

Evolution Mechanism And Control Method Of Engineering Disasters Under Complex Environment

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Author : Jianyong Han
language : en
Publisher: Frontiers Media SA
Release Date : 2025-03-03

Evolution Mechanism And Control Method Of Engineering Disasters Under Complex Environment written by Jianyong Han and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-03 with Science categories.

As the result of resource exploitation and underground space development, the engineering disasters appear, including landslides, tunnel collapses, earthquakes, debris flow and urban facility failures, which may lead to substantial economic damages and loss of lives. The engineering challenges from the geotechnical engineering have attracted wide attention. A large number of engineering disasters, like water gushing, sand inrush, seepage damage, gas leakage and gas explosion, are triggered due to the complex environment such as high water or gas stress, seepage effect and fluid-solid interaction. In order to control the engineering disaster, the primary task to be solved is to reveal the engineering disaster initiation and evolution mechanism induced under complex environment.

Modeling And Simulation Environment For Satellite And Terrestrial Communications Networks

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Author : A. Nejat Ince
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Modeling And Simulation Environment For Satellite And Terrestrial Communications Networks written by A. Nejat Ince and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.

Modeling and Simulation Environment for Satellite and Terrestrial Communications Networks: Proceedings of the European COST Telecommunications Symposium will be of interest to network designers, developers, and operators. This book is a collection of papers given at the European Cost Telecommunications Symposium. The Symposium was broken down into four sessions: Modelling and Simulation. Teletraffic Modelling. Communications Networks Simulation. Problems in Simulation. Each session addressed a wide spectrum of subjects. The symposium covered nearly all of the important aspects of simulation modeling and tools for the design and performance evaluation of communication techniques and systems. Emerging techniques were emphasized. Modeling and Simulation Environment for Satellite and Terrestrial Communications Networks: Proceedings of the European COST Telecommunications Symposium is a useful reference work for practicing engineers and academic researchers.

Advanced Antenna Systems For 5g Network Deployments

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Author : Henrik Asplund
language : en
Publisher: Academic Press
Release Date : 2020-06-24

Advanced Antenna Systems For 5g Network Deployments written by Henrik Asplund and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-24 with Technology & Engineering categories.

Advanced Antenna Systems for 5G Network Deployments: Bridging the Gap between Theory and Practice provides a comprehensive understanding of the field of advanced antenna systems (AAS) and how they can be deployed in 5G networks. The book gives a thorough understanding of the basic technology components, the state-of-the-art multi-antenna solutions, what support 3GPP has standardized together with the reasoning, AAS performance in real networks, and how AAS can be used to enhance network deployments. - Explains how AAS features impact network performance and how AAS can be effectively used in a 5G network, based on either NR and/or LTE - Shows what AAS configurations and features to use in different network deployment scenarios, focusing on mobile broadband, but also including fixed wireless access - Presents the latest developments in multi-antenna technologies, including Beamforming, MIMO and cell shaping, along with the potential of different technologies in a commercial network context - Provides a deep understanding of the differences between mid-band and mm-Wave solutions

Physics Based Modeling Of Wave Propagation For Terrestrial And Space Communications

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Author : Feinian Wang
language : en
Publisher:
Release Date : 2006

Physics Based Modeling Of Wave Propagation For Terrestrial And Space Communications written by Feinian Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

Massive Mimo In Practice

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Author : Henrik Asplund
language : en
Publisher: Academic Press
Release Date : 2025-05-30

Massive Mimo In Practice written by Henrik Asplund and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-30 with Technology & Engineering categories.

Massive MIMO in Practice: From 5G/5G-Advanced to 6G (2nd edition of the previously titled Advanced Antenna Systems for 5G Network Deployments: Bridging the Gap between Theory and Practice) provides a theoretical introduction to Massive MIMO as well as presenting how it can meet network performance requirements for commercial deployment.Features include: A thorough understanding of: - Array antennas and how they can be used for beamforming, null-forming and support for MIMO features - Massive MIMO features and how they work, with a particular focus on mobile networks and the specifics relevant for mobile network operation, e.g. characteristics of the radio channel in different environment and how Massive MIMO solutions adapt to these - A detailed walk-through of the 3GPP physical layer support for Massive MIMO solutions, the background for this support and how it can be used in mobile networks - Explanations of what performance can be achieved in commercially deployed mobile networks for: different antenna configurations; different Massive MIMO features; different network deployment environments - An introduction to millimeter Wave solutions with a focus on the specifics of wave propagation and the corresponding technology solutions - Regulatory aspects which are new and specific to Massive MIMO operation - Product architecture and implementation aspects that provide cost efficient and flexible operation New to this edition: More detail on the practical use of Massive MIMO in commercial mobile networks, specifically how to choose solutions, including antenna configuration and suitable Massive MIMO features, for cost efficient operation depending on traffic and environmental conditions - A new chapter on how to put the complete Massive MIMO solution together: hardware solutions, features and use of spectrum - Outlines promising Massive MIMO solutions to be deployed in the future - Inclusion of 3GPP's Rel. 17 and Rel. 18 updates - Recent regulatory issues of high general interest - Practical aspects of network planning, deployment and operation - Examples of other applications of Massive MIMO: satellites, drones and WiFi - Outlines the path Massive MIMO can play to achieving 6G - Combines an explanation of the theory with a presentation of the practical issues around deployment - Includes details of 3GPP's Releases 17 and 18 - Thorough update and restructuring with more of a practical focus - Outlines the path Massive MIMO can play to achieving 6G

Advances In Computer Science Environment Ecoinformatics And Education Part Ii

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Author : Sally Lin
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-09

Advances In Computer Science Environment Ecoinformatics And Education Part Ii written by Sally Lin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-09 with Computers categories.

This 5-volume set (CCIS 214-CCIS 218) constitutes the refereed proceedings of the International Conference on Computer Science, Environment, Ecoinformatics, and Education, CSEE 2011, held in Wuhan, China, in July 2011. The 525 revised full papers presented in the five volumes were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on information security, intelligent information, neural networks, digital library, algorithms, automation, artificial intelligence, bioinformatics, computer networks, computational system, computer vision, computer modelling and simulation, control, databases, data mining, e-learning, e-commerce, e-business, image processing, information systems, knowledge management and knowledge discovering, mulitimedia and its apllication, management and information system, moblie computing, natural computing and computational intelligence, open and innovative education, pattern recognition, parallel and computing, robotics, wireless network, web application, other topics connecting with computer, environment and ecoinformatics, modeling and simulation, environment restoration, environment and energy, information and its influence on environment, computer and ecoinformatics, biotechnology and biofuel, as well as biosensors and bioreactor.

Electromagnetic Waves And Antennas

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Author : Mr. Rohit Manglik
language : en
Publisher: EduGorilla Publication
Release Date : 2024-04-06

Electromagnetic Waves And Antennas written by Mr. Rohit Manglik and has been published by EduGorilla Publication this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-06 with Science categories.

EduGorilla Publication is a trusted name in the education sector, committed to empowering learners with high-quality study materials and resources. Specializing in competitive exams and academic support, EduGorilla provides comprehensive and well-structured content tailored to meet the needs of students across various streams and levels.