Reproducing continuous radio blackout using glow discharge plasma
Воспроизведение непрерывного радиомолчания с использованием плазмы свечения
2013-10-01
SCID: 54.1/ntgrpgxh
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UHF L S band electromagnetic wave propagationcontinuous radio blackoutelectron density 1e9–2.5×10^11 cm^-3glow discharge plasmaplasma sheath simulation
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Abstract (AI)
A novel plasma generator is described that offers large-scale, continuous, non-magnetized plasma with a 30-cm-diameter hollow structure, which provides a path for an electromagnetic wave. The plasma is excited by a low-pressure glow discharge, with varying electron densities ranging from 10(9) to 2.5 × 10(11) cm(-3). An electromagnetic wave propagation experiment reproduced a continuous radio blackout in UHF-, L-, and S-bands. The results are consistent with theoretical expectations. The proposed method is suitable in simulating a plasma sheath, and in researching communications, navigation, electromagnetic mitigations, and antenna compensation in plasma sheaths.
Key Findings
1
A novel plasma generator creates large-scale, continuous, non-magnetized plasma with a 30-cm-diameter hollow path for electromagnetic waves.
2
Electromagnetic wave propagation experiments reproduced continuous radio blackout in UHF, L, and S bands.
3
Experimental blackout results agree with theoretical expectations for wave–plasma interaction.
4
Plasma is produced by a low-pressure glow discharge achieving electron densities from 1×10^9 to 2.5×10^11 cm^-3.
5
The method is suitable for simulating plasma sheaths and studying communications, navigation, mitigation, and antenna compensation in plasma environments.
Research Object
Large-scale continuous non-magnetized glow-discharge plasma generator with a 30-cm-diameter hollow structure (simulating a plasma sheath)
Research Subject
Reproduction and characterization of continuous radio blackout (electromagnetic wave attenuation/propagation) in UHF, L, and S bands caused by varying electron densities (10^9 to 2.5×10^11 cm^-3) in the simulated plasma sheath
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2013-10-01
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