Abstract
The time-domain response of linear and aperture antennas is analyzed. The results are based on models which have proven to be satisfactory for sinusoidal steady-state analysis. The calculated results correlate the physical parameters of both transmitting and receiving structures with the time-domain characterization of their response. The methods presented herein are useful to provide simple yet powerful alternatives to numerical techniques for the solution of transient radiation problems. The time-domain impulse response is calculated for thin cylindrical dipoles and the aperture formed by two semi-infinite parallel planes. Comparison between experiment and theory is provided. Analytical expressions are derived which characterize the response to excitations that are bandlimited in a manner dictated by the models, e.g., thin wire approximation and TEM mode excitation limitations.
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