In Chap.5, the propagation of SLF/ELF electromagnetic waves in the anisotropic ionosphere is treated analytically and numerically. Considering that the main parameters of the ionosphere, including electron and
of 32 ELECTROMAGNETIC SPECTRUM FREQUENCY WAVELENGTH DESIGNATION APPLICATIONS (free space) 3 Hz 100 Mm Geophysical prospecting 3-30 Hz 10-100 Mm ELF Detection of buried metals 30-300 Hz 1-10 Mm SLF Power transmission, submarine communications 0.3-3 kHz 0.1-1 Mm ULF Telephone, audio 3-30 kHz ...
Excitation and Propagation of SLF/ELF Electromagnetic Waves in the Earth–Ionosphere Waveguide/CavityIn Chap.2, the region of interest is a waveguide or cavity between the Earth's surface and an isotropic homogeneous ionosphere. Both the dipole source and the observation point are assumed to be ...
In order to estimate the effects on the electromagnetic radiation in the lower ionosphere associated with the seismic activity, SLF/ELF waves radiated from a possible seismic current source modeled as an underground horizontal electric dipole (HED), are precisely computed by using a speeding numerical...
In Chap.7, we will summarize our recent works on the radiation of an electric dipole in infinite anisotropic plasma and the electromagnetic field on the sea surface generated by the space borne transmitter in SLF/ELF ranges. A space borne SLF/ELF transmitter for the communications to submarines...
Considering the similarity between the propagation of SLF/ELF waves and that of VLF wave, the VLF waveguide propagation theory and its applications in submarine communication was introduced, especially including the work by J.R.Wait. Then, we introduce the theory of SLF/ELF wave propagation in ...