- axial-symmetric antenna
- осесимметричная антенна; прямофокусная антенна
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
Offset dish antenna — Main types of parabolic antennas An offset dish antenna is a type of parabolic antenna. It is so called because the antenna feed is offset to the side of the reflector, in contrast to a typical axial fed parabolic antenna where the feed is in… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Dipole — This article is about the electromagnetic phenomenon. For other uses, see dipole (disambiguation). The Earth s magnetic field, approximated as a magnetic dipole. However, the N and S (north and south) poles are labeled here geographically, which… … Wikipedia