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Calculated Mode Conversion Coefficients for Graded Height Change in the Earth-ionosphere Waveguide at VLF

Kenneth P. SpiesJames R. Wait

出版	ESSA Research Laboratories, Office of the Director, 1968
URL	http://books.google.com.hk/books?id=nl0CAyd9mt4C&hl=&source=gbs_api

註釋

Using a previous formulation, calculations are carried out for the modal conversion coefficients which arise in VLF waveguide propagation in an idealized transition between day and night. A sharply bounded isotropic ionosphere is employed and the transition region is approximated by a finite number of uniform sections of equal length. The relevance of the results to experimental data is discussed briefly. It is indicated that the observed conversion between modes of order one and two are consistent with the calculated results if the transition length for sunrise is of the order of 500 km.