Presents the technology of measurement of direction of arrival of RF signals from thier source. Unifies DF theory and details methods of calculating and predicting actual system performance. Covers DF techniques utilized at microwave frequencies (from 500 MHz to 100 GHz) for aircraft and ships, with particular emphasis on electronic warfare. Explains how signals are identified, the speical receivers and antennas required, as well as some of the cloaking techniques used to deal with hostile signals. Introduces new systems concepts such as digital processing, supercommutation, and wide bandwidth noise detection methods. Provides working charts, diagrams and equations to facilitate configuration of systems. Suitable as an aid in proposal preparation. Using practical examples, computer-generated graphs, block diagrams and illustrations, this book is disigned as a textbook for college courses, seminars and tutorials as well as a reference for the working engineer.
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