Synthesis of Nanosecond Ultrawideband Radiation Pulses

The synthesis of electromagnetic pulses with an extended spectrum by summing pulses of different duration in free space has been studied. The radiation spectrum has been estimated analytically for a 4-element array of combined antennas excited by bipolar voltage pulses of duration 0.5, 1, 2, and 3 n...

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Bibliographic Details
Published in:Russian physics journal 2017-12, Vol.60 (8), p.1373-1378
Main Authors: Koshelev, V. I., Plisko, V. V., Sevostyanov, E. A.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Antenna arrays
ANTENNAS
Antennas (Electronics)
Condensed Matter Physics
ELECTRIC POTENTIAL
ELECTROMAGNETIC PULSES
Electromagnetism
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nuclear Physics
Octaves
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Radiation (Physics)
SPECTRA
SYNTHESIS
Theoretical
Ultrawideband
Voltage pulses
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Summary:The synthesis of electromagnetic pulses with an extended spectrum by summing pulses of different duration in free space has been studied. The radiation spectrum has been estimated analytically for a 4-element array of combined antennas excited by bipolar voltage pulses of duration 0.5, 1, 2, and 3 ns. It has been shown experimentally that radiation with a spectral width of more than three octaves can be produced using a 2×2 array of combined antennas excited by bipolar pulses of duration 2 and 3 ns.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-017-1224-2