Abstract: The digital switch-capacitor power amplifier (SCPA) suffers from the harmonics distortion which results in degraded out-of-band (OOB) suppression and the communication quality. This paper ...
Abstract: A direction-of-arrival (DOA) estimation approach for multiple incident signals is proposed based on space-timecoding (STC) digital metasurfaces. The STC metasurface modulates the incident ...
AURORA, Colorado—Lockheed Martin and the U.S. Space Force are testing several new technologies aboard the next GPS III satellite, including a new digital atomic clock. Current GPS satellites carry a ...
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