directional radio

См. также в других словарях:

• Directional Radio Tower Stuttgart-Möhringen — The Directional Radio Tower Stuttgart Möhringen is a 93 metre high lattice steel tower for directional radio services of the EnBW AG on the area of the substation Stuttgart Möhringen. The Directional Radio Tower Stuttgart Möhringen was built in… …   Wikipedia

• Makarki Directional Radio Tower — (Polish: SLR Makarki) is a 120 metre tall tower used for directional radio and FM broadcasting by Polskie Radio Regionalna (regional Polish public radio: 104.1 MHz, transmission power 10 kW), located at 52°33′00″N 22°46′16″E /  …   Wikipedia

• Radio and telecommunication in Berlin — There are several remarkable broadcasting facilities in Berlin, more than in other comparable cities. This is because Berlin was a divided city from 1961 to 1989 and because the Allies built their own broadcasting facilities in each sector.… …   Wikipedia

• Radio telescope — A radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the… …   Wikipedia

• Radio navigation — or radionavigation is the application of radio frequencies to determining a position on the Earth. Like radiolocation, it is a type of radiodetermination.RDF / ADF / NDBThe first system of radio navigation was the Radio Direction Finder, or RDF.… …   Wikipedia

• Radio jamming — is the (usually deliberate) transmission of radio signals that disrupt communications by decreasing the signal to noise ratio. Unintentional jamming occurs when an operator transmits on a busy frequency without checking that it is in use first,… …   Wikipedia

• Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …   Wikipedia

• directional — adj. 1. of or pertaining to direction (definition 2). [WordNet 1.5] 2. serving to indicate direction. [PJC] 3. (Radio) transmitting radio signals in a specific direction, or receiving signals only from a narrow angle of directions, thus serving… …   The Collaborative International Dictionary of English

• direcţional — DIRECŢIONÁL, Ă, direcţionali, e, adj. Care arată direcţia; care emite într o singură direcţie. [pr.: ţi o ] – Din fr. directionnel. Trimis de LauraGellner, 13.07.2004. Sursa: DEX 98  DIRECŢIONÁL adj. (fiz.) directiv. (Raze direcţional.) Trimis… …   Dicționar Român

• Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… …   Wikipedia

• directional — [də rek′shə nəl, dī rek′shə nəl] adj. 1. of, aimed at, or indicating (a specific) direction 2. designed for radiating or receiving radio signals most effectively in one or more particular directions [a directional antenna] 3. designed to pick up… …   English World dictionary