With its expanding array of applications in everything from biodiversity modeling to wireless communications, it's no wonder digital terrain modeling (DTM) - the electronic process of representing topography in three dimensions -- is a hot subject among engineers and geoscientists. This concise resource is the first truly complete guide...

Role-based access control (RBAC) is a technology that is attracting a great deal of attention, particularly for commercial applications, because of its potential for reducing the complexity and cost of security administration in large networked applications. Under RBAC, security administration is greatly simplified by using roles,...

Many important GPS applications such as the positioning of wireless devices, tracking during ionospheric scintillation, and orbit determination of geostationary and high Earth orbit satellites require a GNSS (global navigation satellite system) receiver with the ability to work with weak signals. This first-of-its-kind book addresses this...

Laser space communications is a hot topic among electrical engineers working for the government and in the defense industry, and this groundbreaking resource is the first to offer professionals a thorough, practical treatment of the subject. The book focuses on the feasibility of laser space communications between satellites, satellites and...

In recent years, the protection of communication services operating in the same of adjacent channels has become more and more challenging. Communication systems need to be protected from natural and man-made interference. This practical reference provides a through understanding of how to protect communication systems from intentional and...

SSL (secure socket layer) and TLS (Transport Layer Security) are widely deployed security protocols that are used in all kinds of web-based e-commerce and e-business applications and are part of most contemporary security systems available today. This practical book provides a comprehensive introduction to these protocols, offering you a...

Unlike other books on wireless sensors networks, this unique reference focuses on methods of application, validation and testing based on real deployments of sensor networks in the clinical and home environments. Key topics include healthcare and wireless sensors, sensor network applications, designs of experiments using sensors, data...

An ontology is a set of vocabulary terms with explicitly stated meanings and relations with other terms. Presently, a growing number of ontologies are being built and used for annotating data in biomedical research. Thanks to the tremendous amount of data being generated, ontologies are now being used in numerous ways, including connecting...

This newly revised, authoritative resource is essential reading for professionals looking for a clear, complete overview of basic electromagnetics principles and applications to antenna and microwave circuit design for communications. Among the numerous updates, the second edition features a brand new chapter on the increasingly important topic...