- Activity Propagation
- A system job that distributes activities to records.نشر النشاط
English-Arabic terms dictionary. 2015.
English-Arabic terms dictionary. 2015.
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia
Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… … Wikipedia
Sporadic E propagation — Sporadic E or Es is an unusual form of radio propagation utilizing characteristics of the earth s ionosphere. Whereas most forms of sky wave propagation use the normal and cyclic ionization properties of the ionosphere s F region to refract (or… … Wikipedia
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
aurora/auroral propagation — The phenomenon of the electromagnetic energy being returned to the earth as a result of unusual solar activity causing aurora. The aurora occur in the ionosphere. Theoretically, auroral propagation is possible, when the aurora are active, between … Aviation dictionary
Didactic organisation — is the ability of neurons within a network to impart their pattern of synaptic connectivity and/or response properties to other neurons. The term didactic is used because this kind of influence is unidirectional; each individual instance of… … Wikipedia
TV and FM DX — TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning long distance. VHF/UHF television and radio signals are normally limited… … Wikipedia
KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… … Encyclopedia of Judaism
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
Radiocommunication de catastrophe — Les radiotélécommunications de catastrophe jouent un rôle capital déterminant à tous les stades de la gestion des catastrophes. Dans certains cas, lorsque l infrastructure des télécommunications est entièrement détruite, seuls les… … Wikipédia en Français
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium