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The study of large antenna structures, compared to the duration of the input pulse times the speed of light, allows a better understanding of the pulse propagation and reflection by the antenna structure. Identifying which part of the antenna geometry contributes to radiation makes it possible to identify the relationship between the radiated field impulse response and the acceleration of charges...
The behavior of an impulse-excited folded dipole modeled as a narrow rectangular loop is discussed. The physical mechanism behind its radiation becomes clearly understandable in view of its time domain response. Charge acceleration in the radiating structure can be observed easily, and the not-yet-completely understood characteristics of a folded dipole can be explained. Results on an approximate...
An approximated impulse response for dipoles is provided through simulation for the ideal current generator and ideal voltage generator. Both responses are analyzed through decomposition into its constituents reflected pulses. The decomposition provides an insight into the dispersion, distortion and the energy transferred by the system composed by the dipole antenna and the ideal source. The role...
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