физический радиоинтерфейс
Общий термин для типовых функциональных блоков радиорелейных систем, включая модулятор, демодулятор, передатчик, приемник, возможно, формирователь кадров радиосигнала и т. д. (МСЭ-R F.750-4).
[http://www.iks-media.ru/glossary/index.html?glossid=2400324]
Англо-русский словарь нормативно-технической терминологии. academic.ru. 2015.
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
Physical layer — PHY redirects here. For the drug referred to as Phy, see Methadone. The OSI model 7 Application layer 6 Presentation layer 5 Session layer 4 Transport layer 3 … Wikipedia
Physical Layer — NOTOC The Physical Layer is the first level in the seven layer OSI model of computer networking. It translates communications requests from the Data Link Layer into hardware specific operations to affect transmission or reception of electronic… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
Radio button — A radio button or option button is a type of graphical user interface widget that allows the user to choose one of a predefined set of options. They were named after the physical buttons used on car radios to select preset stations when one of… … Wikipedia
Packet radio — is a form of digital data transmission used to link computers. The most common use of PKT is in amateur radio, to construct wireless computer networks. Its name is a reference to the use of packet switching between network nodes, which allows… … Wikipedia
ETSI Satellite Digital Radio — (SDR) (or ESDR ) is an activity of the standardisation organisation ETSI. It addresses broadcast systems where a satellite transmits directly to mobile and handheld receivers and is complemented by terrestrial transmitters. The transmitted… … Wikipedia
Satellite Digital Radio — (kurz: SDR) ist eine Aktivität der Normungsorganisation ETSI. Sie betrifft eine Art von Rundfunksystemen, in denen Satelliten direkt zu mobilen und tragbaren Empfängern senden und dabei durch terrestrische Sender ergänzt werden. Die übertragenen… … Deutsch Wikipedia
ETSI Satellite Digital Radio — Satellite Digital Radio (kurz: SDR) ist eine Aktivität der Normungsorganisation ETSI. Sie betrifft eine Art von Rundfunksystemen, in denen Satelliten direkt zu mobilen und tragbaren Empfängern senden und dabei durch terrestrische Sender ergänzt… … Deutsch Wikipedia
Antenna (radio) — Whip antenna on car … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
