Pulse shaping in time-modulated antenna array

The possibility to shape the pulses modulating the static array excitations has been considered as an additional degree of freedom in the design of time modulated linear arrays. Two different kinds of pulses have been taken into account, namely trapezoidal and TDRC pulses, characterized by a linear...

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Bibliographic Details
Published in2012 IEEE International Conference on Wireless Information Technology and Systems (ICWITS) pp. 1 - 4
Main Authors Bekele, E. T., Rocca, P., Poli, L., D'Urso, M., Massa, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2012
Subjects
Amplitude modulation
Arrays
Frequency modulation
Harmonic analysis
Radio frequency
Shape
Switches
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Summary:The possibility to shape the pulses modulating the static array excitations has been considered as an additional degree of freedom in the design of time modulated linear arrays. Two different kinds of pulses have been taken into account, namely trapezoidal and TDRC pulses, characterized by a linear and non-linear transition between the on and off states. The numerical results has shown that the shaping of the modulating waveforms allow to yield a significant reduction of the sideband losses as compared to ideal rectangular pulses.
ISBN:1467309478
9781467309479
DOI:10.1109/ICWITS.2012.6417820