Delta function excitation of waves in the earth's ionosphere
Article first published online: 7 DEC 2012
Copyright 1983 by the American Geophysical Union.
Volume 18, Issue 6, pages 1337–1354, November-December 1983
How to Cite
1983), Delta function excitation of waves in the earth's ionosphere, Radio Sci., 18(6), 1337–1354, doi:10.1029/RS018i006p01337., , and (
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
- Manuscript Accepted: 1 JUL 1983
- Manuscript Received: 7 MAR 1983
Excitation of the earth's ionosphere by delta function current sheets is considered, and the temporal and spatial evolution of wave packets is analyzed for a two-component collisional F2 layer. Approximations of an inverse Fourier-Laplace transform via saddle point methods provide plots of typical wave packets. These illustrate cold plasma wave theory and may be used as a diagnostic tool since it is possible to relate specific features, e.g., the frequency of a modulation envelope, to plasma parameters such as the electron cyclotron frequency. It is also possible to deduce the propagation path length and orientation of a remote radio beacon.