Causal Pulses With Rectangular Spectral Content: A Tool for TD Analysis of UWB Antenna Performance

A class of causal model pulses is constructed by applying a causal modulation to a noncausal function with a rectangular spectral diagram. A particularly suitable modulation is the power exponential pulse, the resulting model pulse having a spectral behavior that is practically flat over a controlla...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.1488-1491
Main Authors: Lager, Ioan E., de Hoop, Adrianus T.
Format: Article
Language:English
Subjects:
Analytical models
Bandwidth
Fourier transforms
Mathematical model
Modulation
Performance analysis
time-domain analysis
Ultra wideband antennas
ultrawideband antennas
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Summary:A class of causal model pulses is constructed by applying a causal modulation to a noncausal function with a rectangular spectral diagram. A particularly suitable modulation is the power exponential pulse, the resulting model pulse having a spectral behavior that is practically flat over a controllable bandwidth, with a steep falloff outside the band. Some of the devised pulses are opportune excitations in ultrawideband antenna models, thus representing effective instruments in their performance analysis, and are appropriate as inputs in electromagnetic time-domain simulation packages.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2289851