English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
Frequency of optimum transmission — Frequency of optimum transmission, in the transmission of radio waves via ionospheric reflection, is the highest effective (i.e. working) frequency that is predicted to be usable for a specified path and time for 90% of the days of the month. It… … Wikipedia
Cellular traffic — This article discusses the mobile cellular network aspect of teletraffic measurements. Mobile radio networks have traffic issues that do not arise in connection with the fixed line PSTN. Important aspects of cellular traffic include: quality of… … Wikipedia
FOT — abbr. Frequency of Optimum Traffic … Dictionary of abbreviations
Fading — This article is about signal loss in telecommunications. For the poetry book, see Fading (book). For other uses, see Fade (disambiguation). Frequency selective time varying fading causes a cloudy pattern to appear on a spectrogram. Time is shown… … Wikipedia
FOT — 1. Flight Operations Team Contributor: GSFC 2. Frequency Optimum Traffic Contributor: CASI … NASA Acronyms
OTF — 1. Optical Transfer Function Contributor: CASI 2. Optimum Traffic Frequency Contributor: CASI … NASA Acronyms
Grid plan — A simple grid plan road map (Windermere, Florida). Surveyor s plan of Salt Lake City, ci … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Doppler radar — Doppler effect A Doppler radar is a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection … Wikipedia
