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DTSTAMP:20220509T034555Z
UID:DF748FA7-3385-4854-9A58-C93A773BBB5C
DTSTART;TZID=Australia/Sydney:20210409T110000
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DESCRIPTION:Title: Simulations and Measurements of Aperture Array Verificat
 ion System (AAVS2) for SKA-Low\n\nAbstract: Square Kilometre Array is an i
 nternational project to build the largest and the most sensitive radio tel
 escope that has ever existed. Its low frequency component\, SKA-Low\, will
  operate in the frequency range 50-350 MHz and will be located in Western 
 Australia at Murchison Radio Astronomy Observatory. The construction of th
 e SKA-Low that will stretch to 65 km to accommodate 130\,000 antennas has 
 begun in 2021. In preparation to the construction of such an engineering b
 east\, a few versions of Aperture Array Verification Systems (AAVS) have b
 een deployed and tested. AAVS version 2 (AAVS2) is a prototype of only one
  of the required 512 stations of the spiral-shaped SKA-Low array. AAVS2 co
 nsists of 256 dual-polarized log-periodic antennas distributed semi-random
 ly on a wire-mesh ground. Accurate simulated performance of the antennas w
 ith low-noise amplifiers is crucial for calibration and sensitivity calcul
 ations. This presentation starts from some background information about ap
 erture arrays in radio astronomy and continues with the latest advances in
  engineering development of SKA-Low.\n\nCo-sponsored by: IEEE UTS SB\n\nSp
 eaker(s): Dr Maria Kovaleva\, \n\nUTS Building 11\, Sydney\, New South Wal
 es\, Australia\, Virtual: https://events.vtools.ieee.org/m/267714
LOCATION:UTS Building 11\, Sydney\, New South Wales\, Australia\, Virtual: 
 https://events.vtools.ieee.org/m/267714
ORGANIZER:dushmantha.thalakotuna@uts.edu.au
SEQUENCE:4
SUMMARY:Simulations and Measurements of Aperture Array Verification System 
 (AAVS2) for SKA-Low
URL;VALUE=URI:https://events.vtools.ieee.org/m/267714
X-ALT-DESC:Description: <br /><p>Title: Simulations and Measurements of Ape
 rture Array Verification System (AAVS2) for SKA-Low&nbsp\;</p>\n<div>\n<p>
 Abstract: Square Kilometre Array is an international project to build the 
 largest and the most sensitive radio telescope that has ever existed. Its 
 low frequency component\, SKA-Low\, will operate in the frequency range 50
 -350 MHz and will be located in Western Australia at Murchison Radio Astro
 nomy Observatory. The construction of the SKA-Low that will stretch to 65 
 km to accommodate 130\,000 antennas has begun in 2021.&nbsp\;In preparatio
 n to the construction of such an engineering beast\, a few versions of Ape
 rture Array Verification Systems (AAVS) have been deployed and tested. AAV
 S version 2 (AAVS2) is a prototype of only one of the required 512 station
 s of the spiral-shaped SKA-Low array. AAVS2 consists of 256 dual-polarized
  log-periodic antennas distributed semi-randomly on a wire-mesh ground.&nb
 sp\;Accurate simulated performance of the antennas with low-noise amplifie
 rs is crucial for calibration and sensitivity calculations. This presentat
 ion starts from some&nbsp\; background information about aperture arrays i
 n radio astronomy and continues with the latest advances in engineering de
 velopment of SKA-Low.</p>\n<div>\n<p>&nbsp\;</p>\n</div>\n</div>
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