Passive electronically scanned array

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 digitally-controlled) phase shift modules, which then send energy into the various emitting elements in the front of the antenna. AESA devices, in contrast, have each of their elements contain its own radiofrequency source. A PESA radar is therefore simpler to construct than an AESA.

Most phased array radars in the world are PESA. Microwave Landing System uses PESA transmit-only arrays.

List of PESA radars

*AN/SPQ-11 "Cobra Judy"
*AN/SPY-1 Aegis combat system
*AN/TPQ-36 and AN/TPQ-37 Firefinder radars
*AN/APY-1/2 E-3 Sentry
*AN/APQ-164 B-1B (Northrop Grumman formerly Westinghouse ESG)
*AN/APQ-181 B-2 Spirit
*"Flap Lid" and "Tomb Stone" for the SA-10 and SA-20 systems
*Rajendra Radar [ [ DRDO LRDE Radar Systems] ]
*Zaslon, first-ever electronically scanned radar in a fighter jet (MIG-31)
*RBE2 (Rafale)

ee also

*Active electronically scanned array
*Phased array


Wikimedia Foundation. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Active Electronically Scanned Array — An Electronically Scanned Array (AESA), also known as active phased array radar is a type of radar whose transmitter and receiver functions are composed of numerous small transmit/receive (T/R) modules. AESA radars feature short to instantaneous… …   Wikipedia

  • Electronically scanned array — An electronically scanned array (ESA), or a phased array, offers many advantages over mechanically scanned antennas such as instantaneous beam scanning, the availability of multiple concurrent agile beams and concurrently operating radar modes.… …   Wikipedia

  • Active Electronically Scanned Array — Dieser Artikel oder Abschnitt besteht hauptsächlich aus Listen, an deren Stelle besser Fließtext stehen sollte. Das Active Electronically Scanned Array (AESA), auch bekannt als Aktives Phased Array Radar bildet ein Radar System mit aktiver… …   Deutsch Wikipedia

  • Active Electronically Scanned Array — Antenne réseau à commande de phase Antenne réseau à commande de phase pour satellite …   Wikipédia en Français

  • Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… …   Wikipedia

  • Sukhoi Su-30MKK — Infobox Aircraft name=Su 30MKK caption= Venezuelan Su 30MK2 type= Multirole Fighter, Strike fighter, Heavy class fighter manufacturer=KnAAPO designer=Sukhoi first flight= introduced=December 2000 retired= status=Active service primary user=People …   Wikipedia

  • Defence Research and Development Organisation — Sanskrit: बलस्य मूलं विज्ञानम् Strength s Origin is in Science [1] Agency overvi …   Wikipedia

  • RF MEMS — The MEMS acronym stands for Micro Electromechanical System and is used to refer to components of which sub millimeter sized parts need to move for the components to have electronic functionality. RF MEMS passives, such as capacitors, inductors,… …   Wikipedia

  • List of radars — This is a list of radars. A radar is an electronic system used to detect, range (determine the distance of), and map various types of targets. United States Military Naval Early S band RADAR DesignationsMacintyre, Donald, CAPT RN Shipborne Radar… …   Wikipedia

  • Zhuk radar — Zhuk Zhuk ME Antenna at MAKS 2007 Country of origin Russia Type Slotted Planar/PESA/AESA …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”