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Books > Professional & Technical > Energy technology & engineering > Electrical engineering
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Radiowave Propagation Over Ground Software (Paperback, Softcover reprint of the original 1st ed. 1998)
Loot Price: R8,510
Discovery Miles 85 100
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Radiowave Propagation Over Ground Software (Paperback, Softcover reprint of the original 1st ed. 1998)
Expected to ship within 10 - 15 working days
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The purpose of the package is to answer the question 'What is the
radio field strength at a certain point?' when power is radiated
from a transmit ting source. Because of the complexity of the
question in general, it can only be answered at present in certain
idealized situations. Nevertheless it is valuable to have
quantitative data available for these situations. The package is
divided into two parts. In the first of these, propagation in free
space and over a flat earth are dealt with. In the second,
propagation over a spherical earth is considered. In the free-space
situation the power density of the signal in a given direction will
fall as the inverse square of the distance from the source. For
propagation from a transmitting source at an arbitrary height above
a perfecdy conducting flat earth, the field strength at large
distances can be 3 dB higher than in free space. With a finite
conduc tivity earth, the field strength will be lower than this
because of the power dissipation in the earth.
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