- absorption wave meter
- 吸收式波长计
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
absorption wave meter
Look at other dictionaries:
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
Polar Cap Absorption — Beziehung von Ionosphäre und Erdatmosphäre Elektronendichte und Ionenzusammensetzung in den oberen Ionosphärenschichten … Deutsch Wikipedia
80-meter band — The 80 meter or 3.5 MHz band is a core amateur radio frequency band, allocated frequencies from 3.5 to 4.0 MHz in IARU Region 2, and generally 3.5 to 3.8 or 3.9 MHz in Regions 1 and 3 respectively. The portion of the band used for voice… … Wikipedia
Laser absorption spectrometry — (LAS) refers to techniques that utilize lasers to assess the concentration or amount of a species in gas phase by absorption spectrometry (AS).It is well known that optical spectroscopic techniques in general and laser based techniques in… … Wikipedia
Combined Array for Research in Millimeter-wave Astronomy — The Combined Array for Research in Millimeter wave Astronomy (CARMA) is an astronomical instrument comprising 23 radio telescopes. These telescopes form an astronomical interferometer where all the signals are combined in a purpose built computer … Wikipedia
wavemeter — /wayv mee teuhr/, n. a device for measuring the wavelength or frequency of a radio wave. [1900 05; WAVE + METER] * * * ▪ measurement device device for determining the distance between successive wavefronts of equal phase along an… … Universalium
Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism … Wikipedia
analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… … Universalium
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner … Wikipedia
MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… … Encyclopedia of Judaism
