Phase sensitive methods to determine the wavelength of electromagnetic waves in lossy nonuniform media: The case of surface waves along plasma columns
Article first published online: 7 DEC 2012
Copyright 1988 by the American Geophysical Union.
Volume 23, Issue 6, pages 1120–1132, November-December 1988
How to Cite
1988), Phase sensitive methods to determine the wavelength of electromagnetic waves in lossy nonuniform media: The case of surface waves along plasma columns, Radio Sci., 23(6), 1120–1132, doi:10.1029/RS023i006p01120., , , , and (
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
- Manuscript Accepted: 12 SEP 1988
- Manuscript Received: 14 MAR 1988
Determining the wavelength of a wave propagating in a medium nonuniform along the wave path implies using a measurement technique that provides enough spatial resolution to permit following up the wavelength variation resulting from such a nonuniformity. This paper presents a theoretical analysis of the respective merits of two phase sensitive methods used for that purpose, under both weak and strong wave attenuation conditions. Modifications to these methods are recommended which assure both accuracy and spatial resolution of the wavelength measurements. These conclusions are substantiated by numerical simulations of phase measurements along surface wave-sustained plasma columns used as an example of axially nonuniform and lossy media.