Wave Propagation In Complex Environments
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Wave Propagation in Complex Environments
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
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
Author: Dan Czamanski
language: en
Publisher: Springer Science & Business Media
Release Date: 2013-03-09
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.