Emissions Entry

0081-EX-PL-2002 Text Documents

Southwest Research Institute

2002-04-22ELS_55491

A 10ns risetime, 1 µs wide pulse will be applied to a dipole antenna which will then resonate at its
fundamental design frequency of 100 MHz. The necessary bandwidth will be determined by the
characteristic bandwidth of the pulse-excited dipole antenna and the losses associated with the circuit
and coupling. It is expected that the antenna will emit a damped sinusoidal type waveform of
approximately two(2) or more cycles. Performing an FFT on the simulated waveform gives an energy
density spectrum with content in the range 50MHz - 200MHz assuming a -20dB threshold criteria.

Document Created: 2002-04-22 16:37:05
Document Modified: 2002-04-22 16:37:05

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