A high Q piezoelectric resonator as a portable VLF transmitter
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-09680-2
Abstract: Very low frequency communication systems (3 kHz–30 kHz) enable applications not feasible at higher frequencies. However, the highest radiation efficiency antennas require size at the scale of the wavelength (here, >1 km), making portable transmitters extremely… read more here.
Keywords: high piezoelectric; transmitter; piezoelectric resonator; vlf transmitter ... See more keywords