A Radiophysical Method for Studying Deformation of Ultrawideband Pulses during Propagation in the Atmosphere

Field experiments were carried out to measure ultrawideband subnanosecond radiation pulses in the time domain, taking into account the influence of reflection from the Earth’s surface. The results of these experiments make it possible to prepare experiments in the free atmosphere on real paths of 10...

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Bibliographic Details
Published in:Technical physics letters 2022-10, Vol.48 (10), p.283-286
Main Authors: Bukin, V. V., Dolmatov, T. V., Efanov, M. V., Lebedev, E. F., Ostashev, V. E., Ul’yanov, A. V., Fedorov, V. M., Shurupov, M. A.
Format: Article
Language:English
Subjects:
Antenna arrays
Antennas
Classical and Continuum Physics
Earth surface
Emitters
Free atmosphere
Physics
Physics and Astronomy
Pulse duration
Pulse propagation
Ultrawideband
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Summary:Field experiments were carried out to measure ultrawideband subnanosecond radiation pulses in the time domain, taking into account the influence of reflection from the Earth’s surface. The results of these experiments make it possible to prepare experiments in the free atmosphere on real paths of 10 km or more in length. A technical solution for the use of a single-channel ultrawideband emitter with a pulse duration of about 50 ps, which is optimal in terms of weight and size characteristics and lifting to heights of up to 1000 m, is substantiated. A specially designed measuring antenna in the form of a passive antenna array with high sensitivity is used as a receiving measuring channel.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785022100017