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Showing 1 to 19 of 19 for “"MeerKAT Radio Telescope"”.
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RFI monitoring for the MeerKAT Radio Telescope
South Africa is currently building MeerKAT, a 64 dish radio telescope array, as a pre-cursor for the proposed Square Kilometre Array (SKA). Both telescopes will be located at a remote site in the Karoo with a low level of Radio Frequency Interference (RFI). It is important to maintain a low level …
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A GPU based X-Engine for the MeerKAT Radio Telescope
… key component of the digital backend of a modern radio telescope array. The 64 antenna MeerKAT telescope has an FX architecture correlator consisting of 64 F-Engines and 256 X-Engines. These F- and X-Engines are all hosted on 128 custom designed FPGA processing boards. This custom board is known …
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Development of a feedback controller for the Antenna Positioner on the MeerKAT Radio Telescope
MeerKAT is South Africa's cutting edge radio telescope, designed, deployed and now operated by the South African Radio Astronomy Observatory (SARAO). The telescope consists of an array of 64 individual 13.5 m diameter fully steerable antennas. This project presents a comprehensive approach to the …
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Thermal design and analysis of the SKA SA MeerKAT Digitiser
… venture attempting to build the world's largest radio telescope. Australia and South Africa (together with other African countries), will be host to the SKA site. Both countries are building pre-cursor radio telescopes to demonstrate their ability to successfully host the project. Square …
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Detecting anomalous transients in meertrap data
… era across various disciplines. With improved telescopes being built aimed at generating datasets of unprecedented volumes, there is incredible potential for discovery. The MeerKAT radio telescope in South Africa has proven to be an excellent telescope to search for fast radio transients such …
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Fast online predictive compression of radio astronomy data
… compression is critical in the context of the MeerKAT radio telescope currently under construction in Southern Africa and Australia, which will produce data at rates up to 1 Petabyte every 20 seconds. The compression technique being investigated is based on predictive compression, which has …
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X-band digitization systems aspects and filters for MeerKAT radio astronomy receiver
The MeerKAT Radio Telescope is a 64 element antenna array under construction in South Africa. This array will be used to observe radiation from celestial sources at radio frequencies. Once completed, this radio telescope will be the largest and most sensitive radio telescope in the Southern …
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System design of the MeerKAT L - band 3D radar for monitoring near earth objects
… cooperative use of the KAT-7 (7 antennas) and MeerKAT (64 antennas) radio telescope receivers in a radar system to improve monitoring of small debris and PHAs was investigated using theory and simulations, as a cost-effective solution. Parameters for a low cost and high-performance radar were …
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Mission Planning Tool for space debris studies with the MeerKAT radar
… of building an active radar system employing the MeerKAT radio telescope as receiver for space debris detection, tracking and imaging. This dissertation details the development of a Mission Planning Tool (MPT) to perform sensor scheduling and to support the performance prediction and analysis of …
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Commensal searches for radio transients variables in the data from Mhongoose Large Survey Project
The MeerKAT radio telescope in South Africa, a precursor to the mid-frequency component of the Square Kilometre Array (SKA1-Mid), offers exceptional sensitivity and a wide field of view, making it ideal for exploring time-domain radio astronomy. This dissertation presents the use of MeerKAT images …
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Computational analysis techniques using fast radio bursts to probe astrophysics
This thesis focuses on Fast Radio Bursts (FRBs) and presents computational techniques that can be used to understand these enigmatic events and the Universe around them. Chapter 1 provides a theoretical overview of FRBs; providing a foundation for the chapters that follow. Chapter 2 details current …
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Measuring Galaxy Asymmetry in Different Dimensions
… galaxy color and structure. The upcoming SKA radio-telescopes will record unprecedented numbers of HI cubes. An SKA pathfinder, the upcoming WALLABY survey will record thousands of HI galaxy cubes. Galaxy Asymmetry can be used as a fast non-parametric measure to infer the physical properties …
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Investigation into a GPS time pulse radiator for testing time-stamp accuracy of a radio telescope
The MeerKAT radio telescope in South Africa is required to tag the arrival time of a signal to within 10 ns of Coordinated Universal Time (UTC). The telescope has a local atomic clock ensemble and uses satellite based remote clock comparison techniques to compare the telescope time to UTC. The …
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Software defined networking for radio telescopes: a case study on the applicability of SDN for MeerKAT
Scientific instruments like radio telescopes depend on high-performance networks for internal data exchange. The high bandwidth data exchange between the components of a radio telescope makes use of multicast networking. Complex multicast networks are hard to maintain and grow, and specific …
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Concept Demonstrator for MeerKAT Operation from 14.5 to 20 GHz
… system operating from 14.5 to 20 GHz for the MeerKAT Radio Telescope is presented. MeerKAT is a 64 element telescope antenna array consisting of offset-fed Gregorian reflector antennas with a 13.5 m main reflector and 3.8 m sub-reflector. Currently, the MeerKAT is planned to operate up to 14.5 …
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A scalable database model of RFI data for the MeerKAT/SKA radio telescope
In radio astronomy, radio frequency interference (RFI) refers to any signal captured by a radio telescope that did not originate from the observed target in the sky. RFI from terrestrial and other sources is a recognized problem that contaminates the desired signal and must be tracked and …
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The MeerKAT Radio Frequency Interference Environment
Radio signals from astronomical sources are extremely weak and easily distorted/- corrupted or overwhelmed by man-made radio signals such as cellphones, satellites, aircraft and telescope electronics. These Radio Frequency Interference (RFI) are increasingly threatening radio observatories due to …
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Radio observations as a tool to study shock interactions and mass ejections in novae
This thesis presents radio frequency studies of three novae, namely V445 Puppis, V3890 Sagitarii and V339 Delphini. The new data, in this thesis, represent some of the most detailed and comprehensive radio light curves to date. In these systems a thermonuclear eruption occurs on the surface a white …
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The faint low-frequency radio universe in continuum: exploitation of the pre-SKA deepest survey
… and significant work on the properties of radio sources as derived from deep 610-MHz GMRT data and ancillary multi-wavelength data. The faint radio sources at 610-MHz are found out to distances such that the objects are seen as they were when the universe was less than half its current age. …