In the early 1980s, researchers at NASA's Jet Propulsion Laboratory in California realized that stable reference signals generated by a hydrogen maser atomic clock could be distributed over optical ...
Abstract: We show that state-of-the-art phase noise and high frequency stability could be simultaneously achieved in a microwave oscillator based on the sapphire-loaded cavity resonator. Two 9 GHz ...
Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...
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