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In dieser Arbeit werden dual-orthogonal, linear polarisierte Antennen für die UWB-Technik konzipiert. Das Prinzip zur Realisierung der Strahler wird vorgestellt, theoretisch und simulativ untersucht, sowie messtechnisch verifiziert. Danach werden Konzepte zur Miniaturisierung der Strahler dargelegt, die anschließend zum Aufbau von Antennengruppen verwendet werden. Die Vorteile der entwickelten Antennen werden praktisch anhand des bildgebenden Radars und des Monopuls-Radars gezeigt.
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Illustrated with case studies explaining key concepts and providing practical examples, this book forms a comprehensive introduction to water management issues from a European perspective. Initially detailing the history of water management, the book then puts forward the major frameworks used for managing water, and provides a synoptic treatment of major water management issues in all 27 EU nations.
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Water resources development --- Finance --- Law and legislation
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Water-supply --- Water resources development --- Groundwater
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The Yellow River basin, located in the semi-arid and arid climate zones in northern China, is confronted with problems of water deficit as well as water pollution. This book presents research results of a five-year project that improved the sustainability in utilizing and controlling water in the Yellow River Basin.
Water resources development --- Sustainable development --- Water-supply
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Water-supply --- Water conservation --- Water resources development
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Water-supply --- Water conservation --- Water resources development
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Water-supply --- Water resources development --- Groundwater
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