Propagation of ground wave electromagnetic signal, with particular reference to a pulse of nuclear origin
- 1 January 1965
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 53 (12) , 2043-2053
- https://doi.org/10.1109/proc.1965.4481
Abstract
The physical phenomena of the theory of propagation of an electromagnetic pulse at low radiofrequencies are scrutinized from the viewpoint of detection systems. Methods for tagging a point in time on the pulse are described theoretically. The filter action of the propagation medium together with various select receiver filters are considered in the analysis. A particular electromagnetic pulse observed and recorded at a short distance from the source (44.6 km) is propagated theoretically to a great distance ( > 2000 km) as a ground wave. The behavior of the tagged point in time on the pulse is studied both as a function of distance and as a function of the conductivity of the ground. The computer method is also used to determine the attenuation vs. distance function of the pulse. This study provides information of general interest on the subject of low radiofrequency pulse propagation. In addition, the results of this study form a basis for the determination of the effects of ground conductivity on location finding systems, based on the theory of propagation of an electromagnetic pulse.Keywords
This publication has 19 references indexed in Scilit:
- Propagation of electromagnetic pulses in terrestrial waveguidesIEEE Transactions on Antennas and Propagation, 1965
- Wave hop theory of long distance propagation of low-frequency radio wavesJournal of Research of the National Bureau of Standards, Section D: Radio Science, 1964
- The propagation time of a radio pulseIEEE Transactions on Antennas and Propagation, 1963
- Radio pulse propagation by a reflection process at the lower ionosphereJournal of Research of the National Bureau of Standards, Section D: Radio Propagation, 1963
- Reflection and transmission of radio waves at a continuously stratified plasma with arbitrary magnetic inductionJournal of Research of the National Bureau of Standards, Section D: Radio Propagation, 1962
- Ground-conductivity determinations at low radio frequencies by an analysis of the sferic signatures of thunderstormsJournal of Geophysical Research, 1961
- Radiation Resulting from an Impulsive Current in a Vertical Antenna Placed on a Dielectric GroundJournal of Applied Physics, 1957
- XIII.The diffraction of electromagnetic waves from an electrical point source round a finitely conducting sphere, with applications to badiotelegraphy and the theory of the rainbow.— Part IJournal of Computers in Education, 1937
- Über die Fortpflanzung des Lichtes in dispergierenden MedienAnnalen der Physik, 1914
- Über die Fortpflanzung des Lichtes in dispergierenden MedienAnnalen der Physik, 1914