Active phased array transmitter, active phased array receiver, and active phased array transceiver
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United States of America Patent
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Jun 12, 2018
Issued Date -
Sep 7, 2017
app pub date -
Feb 6, 2017
filing date -
Mar 3, 2016
priority date (Note) -
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Abstract
An active phased array transmitter includes: a transmission frequency signal source that generates a transmission frequency signal; a modulator that modulates the transmission frequency signal based on transmission data and outputs the modulated transmission signal; a plurality of transmitters that change the phase and intensity of the modulated transmission signal; a transmission phased array antenna including a plurality of transmission antennas; a local transmission frequency signal source that generates a local transmission frequency signal; a first mixer that generates a first intermediate frequency transmission signal from a received signal of the radio waves output from the transmission antennas and the local transmission frequency signal; a second mixer that generates a second intermediate frequency transmission signal from the modulated transmission signal and the local transmission frequency signal; a transmission correlation processing circuitry that detects a transmission correlation relationship; and a transmission relative relationship detector that detects, from the transmission correlation relationship.
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