Relay apparatus, relay satellite, and satellite communication system
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United States of America Patent
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Oct 18, 2016
Grant Date -
Oct 15, 2015
app pub date -
Jan 10, 2014
filing date -
Jan 15, 2013
priority date (Note) -
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Abstract
A reply apparatus includes: a reception analog switch matrix that outputs, to reception processing units, a wideband reception signal in a band wider than the bandwidth processable by the reception processing unit; a connecting unit that outputs demultiplexed signals to transmission processing units; a transmission analog switch matrix that outputs, to the same transmission antennas, signals subjected to transmission processing; a local generating unit that generates and transmits local signals having different frequencies to the reception processing units; a local-phase-difference calculating unit that calculates a phase difference between the local signals and inputs the phase difference to the reception processing units; and reception-phase correcting units that perform phase correction on the basis of the phase difference. The reception processing units, when the wideband reception signal is input, apply reception processing to divided signals obtained by extracting a part of bands of input signals on the basis of the local signals.
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