- PASSIVE RECEIVER ANTENNA
- هوائي مستقبل سلبي
English-Arabic military dictionary. 2015.
English-Arabic military dictionary. 2015.
Antenna (radio) — Whip antenna on car … Wikipedia
Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… … Wikipedia
Passive electronically scanned array — A passive electronically scanned array (PESA), as opposed to its active counterpart AESA, is a phased array which has a central radiofrequency source (such as a magnetron, a klystron or a travelling wave tube), sending energy into (usually… … Wikipedia
Kolchuga passive sensor — The Kolchuga passive sensor is an ESM system developed in Ukraine. Its detection range is limited by line of sight but may be up to 800 km (500 miles) for very high altitude, very powerful emitters. Frequently referred to as Kolchuga Radar , the… … Wikipedia
Horn Antenna — Infobox nrhp name =Horn Antenna nrhp type = nhl caption = location= Holmdel, New Jersey USA lat degrees = 40 lat minutes = 23 lat seconds = 29.43 lat direction = N long degrees = 74 long minutes = 11 long seconds = 6.91 long direction = W… … Wikipedia
VERA passive sensor — VERA VERA passive radiolocator (in Czech known as Věra ) is an electronic support measures (ESM) system that uses measurements of time difference of arrival (TDOA) of pulses at three or four sites to accurately detect and track airborne emitters … Wikipedia
Ramona passive sensor — Ramona was the second generation Czechoslovakian electronic support measures (ESM) system that uses measurements of time difference of arrival (TDOA) of pulses at three or four sites to accurately detect and track airborne emitters by… … Wikipedia
Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… … Wikipedia
radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining … Universalium
Wardenclyffe Tower — (1901 ndash; 1917) also known as the Tesla Tower, was an early wireless telecommunications aerial tower designed by Nikola Tesla and intended for commercial trans Atlantic wireless telephony, broadcasting, and to demonstrate the transmission of… … Wikipedia
RTLS communications — Articleissues essay=July 2008 copyedit=May 2008 refimprove=August 2008RTLS communications is a special breed of wireless communicating with the aim to support locating wireless nodes not only topologically, but merely topographically outdoors or… … Wikipedia