The effect of random stratification on the intensity of the coherent component of a VHF signal beyond the horizon
Abstract
In the decimeter band, a treatment of sufficiently strong anisotropic inhomogeneities with horizontal scales of the order of a few hundred meters is shown to reduce to the problem of wave propagation in a randomly stratified medium. The effect of random stratification on the signal level in the near (100-200 km) shadow zone is estimated. It is shown that the signal intensity increases with the dispersion of the large-scale fluctuations of the refraction index even when the mean gradient of the refraction index is too low to result in increased refraction.
- Publication:
-
Radiofizika
- Pub Date:
- 1983
- Bibcode:
- 1983RaF....26.1064K
- Keywords:
-
- Atmospheric Stratification;
- Coherent Electromagnetic Radiation;
- Radio Wave Refraction;
- Transhorizon Radio Propagation;
- Atmospheric Refraction;
- Electromagnetic Wave Transmission;
- Random Signals;
- Refractivity;
- Communications and Radar