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This book discusses the active and passive radar cross section (RCS) estimation and techniques to examine the low observable aerospace platforms. It begins with the fundamentals of RCS, followed by the dielectric, magnetic and metamaterials parameters of the constituent materials and then explains various methods and the emerging trends followed in this area of study. The RCS estimation of phased array including the mutual coupling effect is also presented in detail in the book. The active RCS reduction is carefully touched upon through the performance of phased arrays, sidelobe cancellers and mitigation of multipath effect. Providing information on various adaptive algorithms like least mean square (LMS), recursive least square (RLS) and weighted least square algorithms, the authors also mention the recent developments in the area of embedded antennas, conformal load bearing antenna, metamaterials and frequency selective surface (FSS) based RCS reduction.
Radar cross sections. --- Adaptive antennas. --- Antenna arrays. --- Radar --- Echo suppression (Telecommunication) --- Stealth aircraft. --- Interference. --- Aircraft, Stealth --- Invisible military airplanes --- Low-observables military airplanes --- Low radar signature military airplanes --- Low signatures military airplanes --- Military airplanes, Undetectable --- Undetectable military airplanes --- Jet planes, Military --- Stealth technology --- Echo cancellation (Telecommunication) --- Echo control (Telecommunication) --- Suppression, Echo (Telecommunication) --- Telecommunication --- Radio noise --- Signal processing --- Telecommunication systems --- Jamming (Radar) --- Radar interference --- Electric interference --- Arrays, Antenna --- Antennas (Electronics) --- Large space structures (Astronautics) --- Cross sections, Radar --- Radar cross section measurements --- Radar echo areas --- RCS (Radar) --- Echo suppression --- Jamming
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This book extends the discussion of the nature of freedom and what it means for a human to be free. This question has occupied the minds of thinkers since the Enlightenment. However, without exception, every one of these discussions has focused on the character of liberty on Earth. In this volume the authors explore how people are likely to be governed in space and how that will affect what sort of liberty they experience. Who will control oxygen? How will people maximise freedom of movement in a lethal environment? What sort of political and economic systems can be created in places that will be inherently isolated? These are just a few of the major questions that bear on the topic of extra-terrestrial liberty. During the last forty years an increasing number of nations have developed the capability of launching people into space. The USA, Europe, Russia, China and soon India have human space exploration programs. These developments raise the fundamental question of how are humans to be governed in space. This book follows from a previous volume published in this series which looked at the Meaning of Liberty Beyond the Earth and explored what sort of freedoms could exist in space in a very general way. This new volume focuses on systems of governance and how they will influence which of these sorts of freedoms will become dominant in extra-terrestrial society. The book targets a wide readership covers many groups including: Space policy makers interested in understanding how societies will develop in space and what the policy implications might be for space organisations. Space engineers interested in understanding how social developments in space might influence the way in which infrastructure and space settlements should be designed. Space scientists interested in how scientific developments might influence the social structures of settlements beyond the Earth. Social scientists (political philosophers, ethicists etc) interested in understanding how societies will develop in the future.
Physics. --- Societal Aspects of Physics. --- Philosophy of the Social Sciences. --- Law of the Sea, Air and Outer Space. --- Astrobiology. --- Ethics. --- Personality and Social Psychology. --- Social sciences --- Consciousness. --- Physique --- Morale --- Sciences sociales --- Conscience --- Philosophy. --- Philosophie --- Space colonies -- Economic aspects. --- Space colonies -- Political aspects. --- Space colonies -- Social aspects. --- Aeronautics Engineering & Astronautics --- Mechanical Engineering --- Engineering & Applied Sciences --- Space colonies --- Political aspects. --- Economic aspects. --- Social aspects. --- Colonies, Space --- Communities, Space --- Habitats, Space --- Space communities --- Space habitats --- Philosophy and social sciences. --- Science --- Law of the sea. --- International law. --- Personality. --- Social psychology. --- Astronautics and civilization --- Colonization --- Large space structures (Astronautics) --- Extraterrestrial bases --- Space stations --- Societal Aspects of Physics, Outreach and Education. --- Deontology --- Ethics, Primitive --- Ethology --- Moral philosophy --- Morality --- Morals --- Philosophy, Moral --- Science, Moral --- Philosophy --- Values --- Apperception --- Mind and body --- Perception --- Psychology --- Spirit --- Self --- Astrobiology --- Biology --- Habitable planets --- Life --- Social philosophy --- Social theory --- Origin --- Science—Social aspects. --- Mass psychology --- Psychology, Social --- Human ecology --- Social groups --- Sociology --- Personal identity --- Personality psychology --- Personality theory --- Personality traits --- Personology --- Traits, Personality --- Individuality --- Persons --- Temperament --- Law of nations --- Nations, Law of --- Public international law --- Law --- High seas, Jurisdiction over --- Marine law --- Ocean --- Ocean law --- Sea, Law of the --- International law --- Maritime law --- Territorial waters --- Social sciences and philosophy --- Law and legislation
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