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Erschienen in:
Maxwell, J.C. Maxwell’s Original Presentation of Electromagnetic Theory and Its Evolution Kapitel lesen Erstes Kapitel lesen

2016 | OriginalPaper | Buchkapitel

Linear Wire Antennas

verfasst von : Kazuhiro Hirasawa

Erschienen in: Handbook of Antenna Technologies

Verlag: Springer Singapore

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Abstract

This chapter shows the basic characteristics of a linear wire antenna in time-harmonic electromagnetic fields. The application of the method of moments is explained briefly to obtain the current distribution on the antenna. For a transmitting antenna, input impedances, current distributions, and radiation patterns are shown for four typical antenna lengths. For a receiving antenna, current distributions and reradiation patterns are shown when the complex conjugate of the input impedance is loaded at the receiving point. The received and reradiated power of the loaded receiving antenna is shown for three different plane-wave incident angles. Also the application of the Thevenin equivalent circuit is discussed for the calculation of the received power. Characteristics of a Yagi-Uda antenna are shown where the optimum gain of a reactance-loaded Yagi-Uda antenna is compared with that of an end-fire array.

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Vorheriges Kapitel Three-Dimensionally Printed/Additive Manufactured Antennas
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Metadaten
Titel
Linear Wire Antennas
verfasst von
Kazuhiro Hirasawa
Copyright-Jahr
2016
Verlag
Springer Singapore
Buch
Handbook of Antenna Technologies

Print ISBN: 978-981-4560-43-6

Electronic ISBN: 978-981-4560-44-3

Copyright-Jahr: 2016

DOI
https://doi.org/10.1007/978-981-4560-44-3_25

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