resonance wavemeter

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• Absorption wavemeter — The Absorption wavemeter is a simple device for the measurement of radio frequency energy at different frequencies. The device can be used by the users of radio equipment to check the approximate frequency of a strong signal source, and also to… …   Wikipedia

• absorption wavemeter — A wavemeter which depends on a resonance absorption in a tuned circuit, constructed with very stable inductance and capacitance …   Dictionary of automotive terms

• Essen, Louis — ▪ 1998       British physicist (b. Sept. 6, 1908, Nottingham, Nottinghamshire, Eng. d. Aug. 24, 1997, Great Bookham, Surrey, Eng.), built the cesium beam atomic clock, a device that ultimately changed the way time is measured. Atomic clocks… …   Universalium

• Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …   Wikipedia

• Louis Essen — Infobox Scientist name = Louis Essen box width = image width =150px caption = Louis Essen (left center) with Udo Adelsberger (extreme left) birth date = September 6, 1908 birth place = Nottingham death date = August 24, 1997 death place = Great… …   Wikipedia

• Microwave — This article is about the electromagnetic wave. For the cooking appliance, see Microwave oven. For other uses, see Microwaves (disambiguation). A microwave telecommunications tower on Wrights Hill in Wellington, New Zealand Microwaves, a subset… …   Wikipedia

• Fabry-Pérot interferometer — In optics, a Fabry Pérot interferometer or etalon is typically made of a transparent plate with two reflecting surfaces, or two parallel highly reflecting mirrors. (Technically the former is an etalon and the latter is an interferometer, but the… …   Wikipedia

• Grid dip oscillator — Dipmeter could also refer to an influential early commercial expert system called Dipmeter Advisor; or may refer to an instrument that measures the dip angle of the planet s magnetic field, the field line angle in a vertical plane. A dipmeter and …   Wikipedia

• Fabry–Pérot interferometer — Étalon redirects here. For the commune in Somme, France, see Étalon, Somme. Interference fringes, showing fine structure, from a Fabry–Pérot etalon. The source is a cooled deuterium lamp. In optics, a Fabry–Pérot interferometer or etalon is typic …   Wikipedia

• equipment — Synonyms and related words: Lecher wires, RC oscillator, VOM, VTVM, ability, accessories, accouterment, accouterments, adaptation, adjustment, ammeter, anemometer, anemoscope, apparatus, appliances, appointments, appurtenances, armament,… …   Moby Thesaurus