Radiating a circularly polarized impulse through a dispersive spiral antenna

A novel method of radiating circularly polarized (CP) impulse through a dispersive spiral antenna is presented. The proposed method utilizes time‐reversal‐based pulse compression to radiate a CP impulse without any modification to the existing antenna design, providing flexibility where the antenna...

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Veröffentlicht in:	Microwave and optical technology letters 2019-06, Vol.61 (6), p.1555-1558
Hauptverfasser:	Park, Hong Soo, Hong, Sun K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna design Circular polarization Computer simulation Design modifications Dispersion impulse radar Pulse compression spiral antenna Spiral antennas Time compression time‐reversal ultra‐wideband
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Beschreibung
Zusammenfassung:	A novel method of radiating circularly polarized (CP) impulse through a dispersive spiral antenna is presented. The proposed method utilizes time‐reversal‐based pulse compression to radiate a CP impulse without any modification to the existing antenna design, providing flexibility where the antenna can be used as a normal dispersive spiral antenna when TR is not applied. Using an Archimedean spiral antenna, the proposed method is validated with numerical simulation and measurement.
ISSN:	0895-2477 1098-2760
DOI:	10.1002/mop.31757