Abstract
The authors describe a frequency domain methodology to calculate the time response of reflector antenna systems and present the effect of various antenna parameters on the time response for single and dual reflector antennas. This method makes use of the well-known formulations for the analysis of reflector antennas such as geometrical optics, the geometrical theory of diffraction (including uniform theories at the shadow boundaries) or physical optics and the physical theory of diffraction. These formulations are valid when the sizes of reflectors are large with respect to the smallest frequency component of the input signal. If this condition is not met, methods such as the moment method can be used for the frequency components of interest. The time response of single and dual reflector antennas due to pulsed sinusoid and Gaussian-type source signals is shown.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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