High-Sensitivity Phased Array Receivers for Radio Astronomy
© 1963-2012 IEEE. Phased arrays have a long history in radio astronomy. Large, sparse synthesis arrays have been in use for decades to capture high-resolution images of deep space objects. More recent work has extended the range of applications to other types of arrays, including aperture arrays (AA...
| Main Authors: | , , , , |
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| Format: | Journal Article |
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IEEE
2016
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| Online Access: | http://hdl.handle.net/20.500.11937/71750 |
| _version_ | 1848762562501410816 |
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| author | Warnick, K. Maaskant, R. Ivashina, M. Davidson, David Jeffs, B. |
| author_facet | Warnick, K. Maaskant, R. Ivashina, M. Davidson, David Jeffs, B. |
| author_sort | Warnick, K. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 1963-2012 IEEE. Phased arrays have a long history in radio astronomy. Large, sparse synthesis arrays have been in use for decades to capture high-resolution images of deep space objects. More recent work has extended the range of applications to other types of arrays, including aperture arrays (AAs) and phased array feeds (PAFs) for multibeam reflector antennas. The extreme sensitivity required for astronomical instrumentation is driving advances in numerical electromagnetic modeling, design optimization of large arrays, low noise amplifiers, minimization of receiver noise, cryogenic PAFs, array calibration, optimal beamforming, interferometric imaging, and array signal processing algorithms for radio-frequency interference mitigation. We give an overview of research progress, current and planned array-based instruments, and open challenges in these areas related to the new generation of sparse arrays, PAFs, and AAs that are in development for astronomical observatories around the world. |
| first_indexed | 2025-11-14T10:49:32Z |
| format | Journal Article |
| id | curtin-20.500.11937-71750 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T10:49:32Z |
| publishDate | 2016 |
| publisher | IEEE |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-717502018-12-13T09:32:39Z High-Sensitivity Phased Array Receivers for Radio Astronomy Warnick, K. Maaskant, R. Ivashina, M. Davidson, David Jeffs, B. © 1963-2012 IEEE. Phased arrays have a long history in radio astronomy. Large, sparse synthesis arrays have been in use for decades to capture high-resolution images of deep space objects. More recent work has extended the range of applications to other types of arrays, including aperture arrays (AAs) and phased array feeds (PAFs) for multibeam reflector antennas. The extreme sensitivity required for astronomical instrumentation is driving advances in numerical electromagnetic modeling, design optimization of large arrays, low noise amplifiers, minimization of receiver noise, cryogenic PAFs, array calibration, optimal beamforming, interferometric imaging, and array signal processing algorithms for radio-frequency interference mitigation. We give an overview of research progress, current and planned array-based instruments, and open challenges in these areas related to the new generation of sparse arrays, PAFs, and AAs that are in development for astronomical observatories around the world. 2016 Journal Article http://hdl.handle.net/20.500.11937/71750 10.1109/JPROC.2015.2491886 IEEE restricted |
| spellingShingle | Warnick, K. Maaskant, R. Ivashina, M. Davidson, David Jeffs, B. High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title | High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title_full | High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title_fullStr | High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title_full_unstemmed | High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title_short | High-Sensitivity Phased Array Receivers for Radio Astronomy |
| title_sort | high-sensitivity phased array receivers for radio astronomy |
| url | http://hdl.handle.net/20.500.11937/71750 |