9781528510813 - direct comparison transfer of microwave power sensor calibrations (classic reprint) von weidman, manly p. (3 Ergebnisse)
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Paperback. Zustand: New. Print on Demand. This book provides comprehensive information on electrical power sensor calibration techniques for microwave metrology. Electrical power sensors include bolometers, thermoelectric sensors, and diode types, each with specific advantages and limitations. The author offers a detailed examin…ation of the direct comparison transfer technique, which enables the transfer of effective efficiency from a standard power sensor to an unknown one. The method involves the alternate connection of the sensors to a microwave source and measuring the power ratio between them. The book covers fundamental concepts, methodology, applications, and uncertainty analysis of the direct comparison technique. It includes practical examples and approximations for various scenarios, addressing the impact of mismatch factor and the importance of accurate reflection coefficient measurements. The author emphasizes the significance of using high-directivity waveguide directional couplers or VSWR bridges for improved accuracy. Additionally, the book presents innovative applications of the technique, such as the use of a VSWR bridge as a directional coupler and the employment of resistive power splitters. These applications demonstrate the versatility of the direct comparison method and its potential for various measurement setups. The insights offered in this book contribute to a deeper understanding of power sensor calibration techniques and their impact on the accuracy of microwave power measurements. The detailed explanations, practical examples, and comprehensive analysis of uncertainties make this book a valuable resource for researchers, engineers, and professionals involved in microwave metrology and power sensor calibration. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.
