Electromagnetic Compatibility Characteristics of Buildings in Mobile Radio Waves Propagation Channel

Radio-Wave Propagation and Electromagnetic Surface Waves.

1. A Discrepancy and Its Resolution.-The problem of the propagation of radio-waves along the surface of the (plane) earth was first treated in a celebrated paper by A. Sommerfeld (1909).1 Let the (r, (p)-plane of a cylindric system of coordinates coincide with the plane of the earth surface and let the z-axis point vertically upward. Sommerfeld considered a vertically oscillating dipole (radio-...

Electromagnetic Waves Propagation Characteristics in Superconducting Photonic Crystals

Photonic crystals (PCs) are structures with periodically modulated dielectric constants whose distribution follows a periodicity of the order of a fraction of the optical wavelength. Since the first pioneering work in this field, many new interesting ideas have been developed dealing with one-dimensional (1D), two-dimensional (2D), and threedimensional (3D) PCs. Researchers have proposed many n...

Electromagnetic Compatibility Technologies to Support Utilization of Radio Waves in the IoT Era

Nonlinear Propagation of Electromagnetic Waves in Antiferromagnet

Propagation and Interaction of Electrostatic and Electromagnetic Waves in Two Stream Free Electron Laser in the Presence of Self-Fields

A relativistic theory for two-stream free electron laser (FEL) with a one-dimensional helical wiggler and ion-channel guiding in the presence of self-fields are presented. A dispersion relation (DR) which includes coupling between the electromagnetic and the electrostatic waves is derived from a fluid model, with all of the relativistic terms related to the transverse wiggler motion. This DR is...