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English-Arabic military dictionary. 2015.
English-Arabic military dictionary. 2015.
Operation Steinbock — A Heinkel He 177 takes off for a sortie, 1944 … Wikipedia
Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m … Wikipedia
Operation of loop antenna — The loop antenna is a radiating coil of any convenient cross sectional of the one or more turns carrying radio frequencies current.It may be assume any shape that is rectangular, square,triangular,hexagonal and circular on either in ferrite or… … Wikipedia
Amateur radio mobile operation — refers to the use of amateur radio equipment from a moving vehicle. An amateur radio transceiver designed specifically for use in vehicles is usually mounted with the microphone and control panel in reach of the driver. In the United States, such … Wikipedia
Helium-neon laser — A helium neon laser, usually called a HeNe laser, is a type of small gas laser. HeNe lasers have many industrial and scientific uses, and are often used in laboratory demonstrations of optics. Its usual operation wavelength is 632.8 nm, in the… … Wikipedia
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
Photonic metamaterial — Electromagnetism Electricity · … Wikipedia
Laser construction — A laser is constructed from three principal parts:*An energy source (usually referred to as the pump or pump source ), *A gain medium or laser medium , and *Two or more mirrors that form an optical resonator . Pump sourceThe pump source is the… … Wikipedia
Slot-waveguide — A slot waveguide is an optical waveguide that guides strongly confined light in a subwavelength scale low refractive index region by total internal reflection.A slot waveguide consists of two strips or slabs of high refractive index (nH)… … Wikipedia
Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium