Design, fabrication and testing of a paraboloidal reflector antenna and pulser system for impulse-like waveforms

This paper describes the design and test of a radiating system for impulse-like waveforms. The antenna is a 3.66 meter diameter paraboloidal reflector fed by a pair of conical TEM feed structures. The pulse generator that feeds the TEM structures incorporates an electromagnetic lens to ensure a near...

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Bibliographic Details
Main Authors: Smith, I.D., Morton, D.W., Giri, D.V., Lackner, H., Baum, C.E., Marek, J.R.
Format: Conference Proceeding
Language:English
Subjects:
Antenna feeds
Electromagnetic radiation
Electromagnetic scattering
Fabrication
Impulse testing
Lenses
Pulse generation
Reflector antennas
Switches
System testing
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Summary:This paper describes the design and test of a radiating system for impulse-like waveforms. The antenna is a 3.66 meter diameter paraboloidal reflector fed by a pair of conical TEM feed structures. The pulse generator that feeds the TEM structures incorporates an electromagnetic lens to ensure a near-ideal spherical TEM wavelaunch, and a/spl ges/120 kV, /spl sim/100 atm. hydrogen switch operating in burst mode at up to 200 Hz. The antenna radiates a waveform which is the time-derivative of the double exponential [/spl sim/100 ps, 45 nsec 10-90% rise and fall] waveform supplied by the pulser.
DOI:10.1109/PPC.1995.596455