RADIO-FREQUENCY SYSTEM CHARACTERIZED BY FLAT GROUP DELAY FOR RADIO-FREQUENCY TIME SYNCHRONIZATION AND RANGING
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Feb 16, 2023
filing date -
Feb 16, 2023
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Abstract
A radio-frequency system including: a self-complementary antenna characterized by an input impedance substantially independent of signal frequency across an operational frequency band; a passive coupling device characterized by a characteristic impedance and configured to couple the self-complementary antenna to a signal generator and a set of signal processors; a resistive matching network electrically connected between the self-complementary antenna and the passive coupling device configured to match the characteristic impedance of the passive coupling device to the input impedance of the self-complementary antenna; and a back-coupling line characterized by a substantially constant group delay across the operational frequency band configured to electromagnetically couple the signal generator to the set of signal processors.
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