Beam compression process for antenna pattern
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United States of America Patent
Stats
-
Mar 22, 1994
Grant Date -
N/A
app pub date -
Mar 30, 1993
filing date -
Apr 22, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An antenna system including a sub antenna adjacent a main antenna in the direction where a beam width of the main antenna is to be compressed and a beam axis of the sub antenna is coincident with a beam axis of the main antenna. Antenna beams of the antenna system are scanned in the direction of compression of the beam width. Received signals of the main antenna and the sub antenna are subjected to a step of signal processing and multiplication process in a signal processing and multiplying circuit. In that step, only when the received pattern waveform of the main antenna and the received pattern waveform of the sub antenna are both at local maximum levels, the received signal of the sub antenna is output and subjected to the multiplication process for preventing the occurrence of distortion in the received pattern.
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