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Antennas (Electronics) --- Near-fields --- Scanning systems. --- Measurement.
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Antennas (Electronics) --- Near-fields --- Scanning systems. --- Measurement.
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Near fields. --- Supersonic jet flow. --- Aircraft noise. --- Computation.
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Most topics in near-ring and near-field theory are treated here, along with an extensive introduction to the theory.There are two invited lectures: ``Non-Commutative Geometry, Near-Rings and Near-Fields'' which indicates the relevance of near-rings and near-fields for geometry, while ``Pseudo-Finite Near-Fields'' shows the impressive power of model theoretic methods. The remaining papers cover such topics as D.G. near-rings, radical theory, KT-near-fields, matrix near-rings, and applications to systems theory.
Near-fields --- Near-rings --- Nearrings --- Rings, Near --- Associative rings --- Algebraic fields
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This book is useful both for those who want to get initial information on the measurement of the antenna parameters, and for specialists directly involved in the experimental determination of the antenna parameters from the results of measuring the amplitude-phase distribution in the near zone of the antennas. Currently, the near-field method is the most common one for antenna measurements. In most books, an academic approach is given to the issue under consideration and it is difficult to use them for the direct organization of measurements. In many others, specific narrow issues are considered that are accessible to understanding only by highly qualified engineers/readers. The purpose of this book is to get rid of the above disadvantages by offering the reader a more accessible exposition and formulas by which appropriate computer programs can be written with minimal effort. The contents of this book allow interested specialists to be not only users of the near-field measuring facilities, but also help in understanding the principles of their work. This book is intended for engineers and specialists whose activities are related to experimental testing of radio characteristics of complex antenna systems, especially near-field measurements, and is also useful as a textbook for senior students in the field of "radioelectronics" and "radiophysics."
Microwave antennas --- Antennas (Electronics) --- Testing. --- Electronic apparatus and appliances --- Microwave devices --- Near-fields --- Measurement. --- Algebraic fields
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Turbulent flow. --- Near fields. --- Wing tips. --- Vortices. --- Wind tunnel tests. --- Flow measurement. --- Stress tensors. --- Reynolds stress.
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Mathematical models. --- Near fields. --- Pneumatics. --- Pressure measurement. --- Sonic booms. --- SR-71 aircraft.
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Ozone. --- Atmospheric composition. --- Differential absorption lidar. --- Near fields. --- Photomultiplier tubes. --- Stratosphere.
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Hall thrusters. --- Electric propulsion. --- Near fields. --- Electrostatic probes. --- Data processing. --- Iteration. --- Ground tests.
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The present volume is the Proceedings of the 18th International Conference on Nearrings and Nearfields held at the Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg, from July 27 - August 3, 2003. It contains the written versions of the lectures by the five invited speakers. These concern recent developments of planar nearrings, nearrings of mappings, group nearrings and loop-nearrings. One of them is a long and very substantial research paper ""The Z-Constrained Conjecture"". They are followed by 13 contributions reflecting the diversity of the subject of nearrings and related st
Near-rings --- Near-fields --- Algebraic fields --- Nearrings --- Rings, Near --- Associative rings --- Algebra. --- Associative Rings and Algebras. --- General Algebraic Systems. --- Mathematics --- Mathematical analysis --- Associative rings. --- Rings (Algebra). --- Algebraic rings --- Ring theory --- Rings (Algebra)
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