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These proceedings comprise invited papers from highly experienced researchers in THz technology and security applications. THz detection of explosives represents one of the most appealing technologies to have recently emerged in dealing with terrorist attacks encountered by civil security and military forces throughout the world. Discussed are the most advanced technologies and developments, the various points of operational strength and weaknesses as well as are suggestions and predictions the best technological solutions to  overcome current operational limits.  The current status of various levels of cooling in THz detectors, sources and associated electronics are also addressed. The goal was to provide a clear view on the current technologies available and the required advances needed in order to achieve more efficient systems. This goal was outlined in part by establishing the baseline of current uncertainty estimations in physics-based modelling and the identification of key areas which require additional research and development.  .

Fluid mechanics --- Optics. Quantum optics --- Physics --- Spectrometric and optical chemical analysis --- elektrodynamica --- telecommunicatie --- fysica --- spectrometrie --- optica

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Emerging Topics in Computational Electromagnetics in Computational Electromagnetics presents advances in Computational Electromagnetics. This book is designed to fill the existing gap in current CEM literature that only cover the conventional numerical techniques for solving traditional EM problems. The book examines new algorithms, and applications of these algorithms for solving problems of current interest that are not readily amenable to efficient treatment by using the existing techniques. The authors discuss solution techniques for problems arising in nanotechnology, bioEM, metamaterials, as well as multiscale problems. They present techniques that utilize recent advances in computer technology, such as parallel architectures, and the increasing need to solve large and complex problems in a time efficient manner by using highly scalable algorithms.

Fluid mechanics --- Electromagnetism. Ferromagnetism --- Spectrometric and optical chemical analysis --- Electrical engineering --- Applied physical engineering --- telecommunicatie --- ingenieurswetenschappen --- magnetisme --- elektrische circuits --- spectrometrie

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Radio astronomy is a mystery to the majority of amateur astronomers, yet it is the best subject to turn to when desirous of an expanded knowledge of the sky. This guide intends to instruct complete newcomers to radio astronomy, and provides help for the first steps on the road towards the study of this fascinating subject.  In addition to a history of the science behind the pursuit, directions are included for four easy-to-build projects, based around long-term NASA and Stanford Solar Center projects. The first three projects constitute self-contained units available as kits, so there is no need to hunt around for parts. The fourth – more advanced – project encourages readers to do their own research and track down items. Getting Started in Radio Astronomy provides an overall introduction to listening in on the radio spectrum. With details of equipment that really works, a list of suppliers, lists of online help forums, and written by someone who has actually built and operated the tools described, this book contains everything the newcomer to radio astronomy needs to get going.

Science --- Space research --- Astronomy --- Physics --- Fluid mechanics --- Spectrometric and optical chemical analysis --- popularisering wetenschap --- telecommunicatie --- fysica --- ruimte (astronomie) --- astronomie --- spectrometrie

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This book explains how to create opto-electronic systems in a most efficient way, avoiding typical mistakes. It covers light detection techniques, imaging, interferometry, spectroscopy, modulation-demodulation, heterodyning, beam steering, and many other topics common to laboratory applications. The focus is made on self-explanatory figures rather than on words. The book guides the reader through the entire process of creating problem-specific opto-electronic systems, starting from optical source, through beam transportation optical arrangement, to photodetector and data acquisition system. The relevant basics of beam propagation and computer-based raytracing routines are also explained, and sample codes are listed. the book teaches important know-how and practical tricks that are never disclosed in scientific publications.  The book can become the reader's personal adviser in the world of opto-electronics and navigator in the ocean of the market of optical components and systems. Succinct, well-illustrated, and clearly written, this book is helpful for students, postgraduates, engineers and researches working not only in the field of applied optics but also in high-tech industry, information technology, medicine, biology and other domains.

Physics --- Fluid mechanics --- Optics. Quantum optics --- Electromagnetism. Ferromagnetism --- Spectrometric and optical chemical analysis --- elektrodynamica --- telecommunicatie --- fysica --- spectrometrie --- optica

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This work opens with an accessible introduction to computer networks, providing general definitions of commonly used terms in networking. This is followed by a detailed description of the OSI model, including the concepts of connection-oriented and connectionless communications. The text carefully elaborates the specific functions of each layer, along with what is expected of protocols operating at each layer. Next, the journey of a single packet, from source to destination, is described in detail. The final chapter is devoted to the TCP/IP model, beginning with a discussion of IP protocols and the supporting ARP, RARP, and InARP protocols. The work also discusses the TCP and UDP protocols operating at the transport layer, and the application layer protocols HTTP, DNS, FTP, TFTP, SMTP, POP3, and Telnet. Important facts and definitions are highlighted in gray boxes found throughout the text.

Telecommunication technology --- Mass communications --- Computer science --- Computer architecture. Operating systems --- Computer. Automation --- computers --- datacommunicatie --- informatiesystemen --- tekstverwerking --- telecommunicatie --- computernetwerken --- computerkunde --- communicatietechnologie