INFINITE CYLINDRICAL ANTENNA IMMERSED IN A WARM PLASMA.
SYLVANIA ELECTRONIC SYSTEMS-EAST WALTHAM MASS APPLIED RESEARCH LAB
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The radiation characteristics of an infinite cylindrical antenna insulated from the surrounding warm plasma by a concentric cylindrical sheath of free-space are investigated for the case in which it is excited by means of a Delta function voltage source. The uncoupled electromagnetic EM and the plasma P space waves are excited. The radiation pattern and the normalized radiation resistance of the antenna for the EM and the P modes are studied as a function of i the frequency, ii the radius of the antenna and iii the thickness of the insulation. The effect of the insulating ion sheath is found to be some significance only for the case of the P mode. Author