Antenna reception theory
"Tim Wescott" bravely wrote to "All" (24 Nov 05 11:49:57)
--- on the heady topic of " Antenna reception theory"
TW From: Tim Wescott
TW Xref: core-easynews rec.radio.amateur.antenna:220333
TW Paul Taylor wrote:
Hi,
I am looking for an explanation of how an antenna receives a signal due
to the E-field of an electromagnetic wave.
TW Transmission and reception work essentially the same way -- if an
TW antenna induces a certain field pattern in space, then that same field
TW pattern will induce the same voltages going the other way.
TW Most books spend about that much space telling you about the
TW principal, then use the rest of the time telling you how antennas
TW transmit, leaving it to you to figure out how they receive.
For antenna to receive it must also transmit part of the signal it
intercepts. Now that confuses this discussion a little more, doesn't
it?!
A*s*i*m*o*v
.... I like the word `indolence.' It makes my laziness seem classy.
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