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Foundations of Wireless and Electronics, 10th Edition
book

Foundations of Wireless and Electronics, 10th Edition

by M. G. Scroggie, S. W. Amos
October 2013
Intermediate to advanced content levelIntermediate to advanced
570 pages
27h 46m
English
Newnes
Content preview from Foundations of Wireless and Electronics, 10th Edition
284
directions, At b is the vertical polar diagram, showing how the
radiation varies from maximum at right angles to the dipole to nil
end-on. So if a dipole is placed horizontally it can be used to cut out
undesired reception from two opposite directions. As regards
reception, these diagrams assume, of course, that the radiation
arriving has the correct polarisation. A horizontal dipole does not
respond to vertically polarised waves from any direction.
17.10 Reflectors and Directors
Any metal rod is a tuned circuit which will have maximum currents
set going in it by waves twice its own length. These currents radiate
waves, just as if they
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Publisher Resources

ISBN: 9781483105574