Observed precursor of pulsed radio waves

George C. Giakos; Thomas Koryu Ishii

doi:10.1117/12.186727

14 September 1994 Observed precursor of pulsed radio waves

George C. Giakos, Thomas Koryu Ishii

Proceedings Volume 2275, Advanced Microwave and Millimeter-Wave Detectors; (1994) https://doi.org/10.1117/12.186727
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Experimental and theoretical analysis on pulsed radio wave propagation measurements, obtained through a series of time domain experiments in open space as well as in a waveguide, indicate that the precursor or the very early wavefront onset, slightly above the noise level, propagates with a speed equal to the phase velocity. Since it is observable, it may be useful for radio messages. Basic principles and experimental support are presented.

Citation Download Citation

George C. Giakos and Thomas Koryu Ishii "Observed precursor of pulsed radio waves", Proc. SPIE 2275, Advanced Microwave and Millimeter-Wave Detectors, (14 September 1994); https://doi.org/10.1117/12.186727

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