Gerhard Swart

SKA-Mid Telescope Front Ends: A Construction Reality

Alice Pellegrini, L. Stringhetti, Gerhard Swart, Mark Harman

The SKA project (Square Kilometer Array), led by the SKA Observatory, is an ambitious international endeavor to build the world's largest radiotelescope to enable unprecedented science, over a frequency band that spans from 50 MHz to 15.4 GHz. This is achieved by …

gb (code pays fourni par la source)

The Observational Capabilities of the Square Kilometer Array

Maria Grazia Labate, L. Stringhetti, Gerhard Swart, Shin’ichiro Asayama et autres

gb, it (code pays fourni par la source)

Precise timescale, frequency, and time-transfer technology for the Square Kilometer Array

Aniket Hendre, Bassem Alachkar, Paul Boven, Songlin Chen et autres

The Square Kilometre Array (SKA) is a next-generation radio astronomy facility that will revolutionize our understanding of the Universe and the laws of fundamental physics. To achieve the intended objectives, it needs a stable reference frequency and accurate timing signals at each …

au, gb, nl, cn (code pays fourni par la source)

Assessment of the performance impact of direction-independent effects in the Square Kilometre Array

Bassem Alachkar, P. E. Dewdney, L. Stringhetti, Songlin Chen et autres

We present the main performance aspects of the sensitivity and dynamic range of the Square Kilometre Array (SKA). The sensitivity and dynamic range of a radio astronomy interferometer are affected by different sources of errors and noises. A general description of these …

gb (code pays fourni par la source)

Highlights of the SKA1-Mid telescope architecture

Gerhard Swart, P. E. Dewdney, A. Cremonini

The Square Kilometre Array Observatory (SKAO) will construct two radio telescopes: SKA-Low in Australia and SKA-Mid in South Africa. When completed, the Square Kilometer Array (SKA) will be the largest radio telescope on Earth, with unprecedented sensitivity and scientific capability. The first …

au, gb (code pays fourni par la source)

The most sensitive radio telescope to deliver unprecedented and global open science: The Square Kilometer Array (50 MHz - 15.3 GHz)

Maria Grazia Labate, Jeff Wagg, Bassem Alachkar, S. L. Breen et autres

The Square Kilometer Array (SKA), with its unprecedented large radio wave collecting area, will be 50 times more sensitive than any imaging radio telescope array previously built and be able to survey the sky 10000 times faster. The SKA project is now …

gb (code pays fourni par la source)

Highlights of the SKA1-Mid telescope architecture

Gerhard Swart, P. E. Dewdney

The Square Kilometre Array (SKA) Observatory will construct two radio telescopes: SKA-Low in Australia and SKAMid in South Africa. When completed the SKA will be the largest radio telescope on earth, with unprecedented sensitivity and scientific capability. The first phase of SKA-Mid …

The Square Kilometre Array project

J. P. McMullin, P. J. Diamond, Alistair M. McPherson, Robert A. Laing et autres

The Square Kilometre Array is a global research infrastructure project to construct and operate a radio telescope observatory of unprecedented scale. The first stage of the project’s implementation (SKA1) has concluded its design phase and is about to begin construction in 2021. …

gb, au, Afrique du Sud (code pays fourni par la source)

The Square Kilometre Array Observatory

Maria Grazia Labate, M. Waterson, Gerhard Swart, Mark Bowen et autres

When constructed, the Square Kilometre Array (SKA) will be the World's largest Radio Observatory. Its observations at unprecedented sensitivity will help to solve some of the biggest questions in the field of astronomy and give astronomers insight into the formation and evolution …

gb (code pays fourni par la source)

Square Kilometer Array project status report

Alistair M. McPherson, J. P. McMullin, Tim Stevenson, P. E. Dewdney et autres

This paper will describe the progress of the SKA-1 Telescope during the period from Preliminary Design Review to Critical Design Review. In addition to this, it will provide information on the management of the project with respect to managing cost and scope …

gb (code pays fourni par la source)

Learning Systems Engineering Lessons from an Electric Vehicle Development

Gerhard Swart

Abstract The Joule Electric Vehicle (EV) was developed “from a clean sheet” by Optimal Energy, a South African start‐up company established in 2005. In the seven years to its liquidation in 2012, the company grew to 108 people, built up significant international …

Afrique du Sud (code pays fourni par la source)

Review on management, mechanisms and modelling of thermal processes in PEMFC

Tatenda J. Bvumbe, Piotr Bujło, Ivan Tolj, Kobus Mouton et autres

Abstract In an effort to reduce the environmental impact of the energy sector that is mostly based on fossil fuels, researchers are looking for a clean alternative of our existing energy sources. Hydrogen Energy and Fuel Cells, and in particular Polymer ElectrolyteMembrane …