This book presents a detailed analytical formulation, and step-by-step design procedure for the electromagnetic (EM) design of radar absorbing structures (RAS). It discusses both the equivalent circuit model and Smith chart approach with illustrations to provide a clear understanding of the steps involved in designing multilayered RAS according to the desired specifications. This book is a valuable resource for beginners, academicians, and R&D engineers working in the field of RAS design and development.
This book focuses on EM propagation characteristics within multilayered plasma-dielectric-metallic media. The method used for analysis is impedance transformation method. Plasma covered radar absorbing material is approximated as a multi-layered dielectric medium. The plasma is considered to be bounded homogeneous/inhomogeneous medium. The reflection coefficient and hence return loss is analytically derived. The role of plasma parameters, such as electron density, collision frequency, plasma thickness, and plasma density profile in the absorption behavior of multi-layered plasma-RAM structure is described. This book provides a clearer picture of EM propagation within plasma. The reader will get an insight of plasma parameters that play significant role in deciding the absorption characteristics of plasma covered surfaces.
10 maps, 48 colour pictures. When Harish Kohli and his team of seven members reached the summit of the Karakoram Pass in the early afternoon of 17th February 1995, they had been on the move for twelve gruelling hours. As they began the treacherous descent, the light breeze turned into a storm and then into a blizzard, plummet-ing the temperature to minus 48 degrees Celcius. Later that night when they reached their base, after twenty-six horrifying hours, two of the members were frostbitten, one of them losing seven of his fingers. But for the Ski-Himalaya team, it was only the beginning of their adventure, which became one of the most momentous journeys in mountaineering history.
This book covers a variety of problems, and offers solutions to some, in: • Statistical state and parameter estimation in nonlinear stochastic dynamical system in both the classical and quantum scenarios. • Propagation of electromagnetic waves in a plasma as described by the Boltzmann Kinetic Transport Equation. • Classical and Quantum General Relativity. It will be of use to Engineering undergraduate students interested in analysing the motion of robots subject to random perturbation, and also to research scientists working in Quantum Filtering.
Structure and Tectonics of the Indian Continental Crust and Its Adjoining Region: Deep Seismic Studies, Second Edition, collates essential data from seismic studies of Earth's crust across India, offering an essential understanding of the tectonic development of the Indian subcontinent. Seismic studies have been carried out in various parts of India since 1972, recording crust-related seismic data for determination of velocity-depth configuration and determination of structural patterns. The book examines the details of these studies, including their synthesis and global applications. The book presents both background and applications in one cohesive volume for researchers and students of geophysics and geology. - Presents all the information and metadata of the Indian continental crust and its neighbouring regions in a cohesive way - Provides basic knowledge of the Indian subcontinent to support the discussion of seismic studies related to crustal structure - Includes all new chapter covering global applications and synthesis of the findings and observations
The book contains articles covering the author's treks and climbs in the remote valleys of Garhwal during the past forty years, most pioneering explorations. There are stories of crossing passes and climbing peaks, accidents and deaths, personal injury and agony. These articles give an insight into the Himalayan areas, their history, its people and the period of development of Himalayan climbing in India during the last many decades.For a trekker there are various suggestions in this book, for discovering different passes, many unknown valleys, and the history of travel, people, culture and nomenclature of the area. There are invaluable references to hordes of peaks, both most challenging and easy, between 6000 m and 7000 m range. And for an armchair mountaineer there are personal stories, and interaction with climbers of different nationalities.With maps, line sketches, photographs and many references, the book will be an invaluable guide to all present and future mountaineers.
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