- exponential antenna
- экспоненциальная антенна
English-Russian dictionary of electronics. 2015.
English-Russian dictionary of electronics. 2015.
Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… … Wikipedia
Vivaldi-antenna — A Vivaldi antenna is a co planar broadband antenna, which is made from a on both sides metallized dielectric plate.The feeding line excites a circular space via a microstrip line, terminated with a sector shaped area.From the circular resonant… … Wikipedia
radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… … Universalium
Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology … Wikipedia
Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… … Wikipedia
Electromagnetic reverberation chamber — A look inside the (large) Reverberation Chamber at the Otto von Guericke University Magdeburg, Germany. On the left side is the vertical Mode Stirrer (or Tuner), that changes the electromagnetic boundaries to ensure a (statistically) homogeneous… … Wikipedia
Polarization — ( Brit. polarisation) is a property of waves that describes the orientation of their oscillations. For transverse waves, it describes the orientation of the oscillations in the plane perpendicular to the wave s direction of travel. Longitudinal… … Wikipedia
Electrical impedance — Electromagnetism Electricity · … Wikipedia
Evanescent wave — Schematic representation of evanescent waves propagating along a metal dielectric interface. The charge density oscillations, when associated with electromagnetic fields, are called surface plasmon polariton waves. The exponential dependence of… … Wikipedia
Eiffel Tower — Infobox Skyscraper caption=The Eiffel Tower as seen from the Champ de Mars building name=Eiffel Tower location=Paris, France roof=convert|300.65|m|ft|0 antenna spire=convert|324|m|ft|0 built=1887 – 1889 engineer=Gustave Eiffel architect=Gustave… … Wikipedia
Link budget — A link budget is the accounting of all of the gains and losses from the transmitter, through the medium (free space, cable, waveguide, fiber, etc.) to the receiver in a telecommunication system. It accounts for the attenuation of the transmitted… … Wikipedia