Antenna Theory & Design by Robert S. Elliott PDF

By Robert S. Elliott

ISBN-10: 0471449962

ISBN-13: 9780471449966

A vintage Reissue within the IEEE Press sequence on Electromagnetic Wave idea —Donald G. Dudley, sequence Editor

"Beautifully and obviously written and of the top technical quality." -Dr. Robert J. Mailloux, AFRL/SNH

"A vintage paintings within the box. there are lots of distinct descriptions of key electromagnetic options mentioned during this textual content that aren't came across anyplace else. the writer is likely one of the most sensible researchers during this box. a lot of his scholars also are prime researchers during this box. this article has been utilized by a few of the senior antenna engineers in industry." -Kathleen L. Virga, college of Arizona, Tucson

First released in 1981, Robert S. Elliott's Antenna conception and layout is without doubt one of the most important works in electromagnetic thought and functions. In its broad-ranging, analytic remedy, replete with helping experimental proof, Antenna thought and layout conveys primary tools of research that may be used to foretell the electromagnetic habit of approximately every little thing that radiates. After greater than twenty years, it continues to be a key source for college kids, professors, researchers, and engineers who require a complete, in-depth therapy of the topic.

in accordance with requests from a lot of our participants, IEEE is now reissuing this vintage. Newly revised, it once more may be a useful textbook and a permanent reference for practising engineers.

The IEEE Press sequence on Electromagnetic Wave idea bargains extraordinary assurance of the sphere. It includes new titles of latest curiosity in addition to reissues and revisions of famous classics through validated authors and researchers. The sequence emphasizes works of long term archival value in electromagnetic waves and purposes. Designed particularly for graduate scholars, researchers, and practising engineers, the sequence presents reasonable volumes that discover and clarify electromagnetic waves past the undergraduate point.

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43) may not be in phase, but may be adjusted purposely so that they cancel each other, thus "matching" the generator. B. INTEGRAL SOLUTIONS OF MAXWELL'S EQUATIONS I N T E R M S O F THE SOURCES The next four sections and two related appendices are devoted to a rigorous solution of Maxwell's equations in integral form, giving the fields at any point within a volume V in terms of the sources within V and the field values on the surfaces S that bound V. One advantage to this development, beyond its rigor, is that the results are in a perfect form to delineate approaches to the two types of antennas mentioned in the introduction, namely those on which the current distribution is known quite well (such as dipoles and helices), and those for which the close-in fields are known quite well (such as slots and horns).

Spherical coordinates are arranged to place antenna 1 at the origin and antenna 2 at the point (r, 8,$I). Both antennas can be as simple or complicated as one wishes, so long as they are composed of linear materials. 14, let the a-set of sources occur when a transmitter is attached to antenna 1 and a receiver to antenna 2. The b-set of sources will represent the situation when the positions of transmitter and receiver are interchanged. The combination of transmitter and receiver used in the b-situation need not be the same as in the a-situation.

In like manner, let electric and magnetic current sheets be placed at cross section 2 so that the fields on the antenna side are not altered, but so that, with the receiver turned off, the fields on the receiver side have been erased. These port sources satisfy with 1, pointing along the transmission line toward antenna 2, and with Ea and Ha evaluated in cross section 2. The effective replacement of the transmitter and receiver by equivalent sources at ports I and 2 leaves intact all the a-sources and fields between these cross sections, including the radiation field transmitted by antenna 1 and received by antenna 2.

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Antenna Theory & Design by Robert S. Elliott

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