Articles with "vlf transmitter" as a keyword



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Ground-Based Measurements of the Outer-Ionosphere Turbulence Induced by a High-Power VLF Transmitter

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Published in 2018 at "Radiophysics and Quantum Electronics"

DOI: 10.1007/s11141-018-9901-8

Abstract: We present experimental results on the detection of artificial irregularities produced in the ionospheric plasma by a high-power VLF transmitter. The analysis of TEC variations and ionosonde data was used for the diagnostics of ionospheric… read more here.

Keywords: high power; power vlf; transmitter; turbulence ... See more keywords
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Plasma perturbations in the coexisting environment of VLF transmitter emission, lightning strokes and seismic activity

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Published in 2018 at "Science China Technological Sciences"

DOI: 10.1007/s11431-017-9069-y

Abstract: We analyzed plasma perturbations occurring in the coexisting environment of powerful VLF transmitter emission, intense lightning strokes and strong seismic activity during pregnant period. The results suggest that anomalous electron bursts with energy dispersion in… read more here.

Keywords: coexisting environment; transmitter emission; plasma perturbations; vlf transmitter ... See more keywords
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A high Q piezoelectric resonator as a portable VLF transmitter

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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