Method and apparatus for feeding over-modulated message signals to antennas of an antenna array
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United States of America Patent
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Jun 3, 1997
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N/A
app pub date -
Mar 30, 1995
filing date -
Mar 31, 1994
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Abstract
A feeding method and device, particularly for a Doppler VOR system, and to a Doppler VOR system using such a feeding device. The feeding method performs a blending function, which is an approximation of the sinX/X function limitedly to the three central lobes, and is obtained by amplitude overmodulation of a single signal according to a periodic function. The blending function can be controlled through the control of the periodic function.
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