Antenna array with adaptive sidelobe cancellation
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United States of America Patent
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-
Jul 6, 1982
Grant Date -
N/A
app pub date -
Feb 28, 1980
filing date -
Feb 28, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A beam space adaptive array antenna system utilizing a two-stage Butler matrix configuration is disclosed. The individual elements of one subarray are input to the respective ports of a first-stage Butler matrix and the remaining summed subarray elements are input to a second-stage Butler matrix. The zero order output of the first stage Butler matrix is fed to the input of the second stage Butler matrix.
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