A Data Acquisition System for Very-Long-Baseline Interferometers
Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunic...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ipatov, A. V. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2003 |
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| Schlagwörter: |
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| Anmerkung: |
© MAIK “Nauka/Interperiodica” 2003 |
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| Übergeordnetes Werk: |
Enthalten in: Instruments and experimental techniques - Kluwer Academic Publishers-Plenum Publishers, 1959, 46(2003), 6 vom: Nov., Seite 787-797 |
|---|---|
| Übergeordnetes Werk: |
volume:46 ; year:2003 ; number:6 ; month:11 ; pages:787-797 |
| Links: |
|---|
| DOI / URN: |
10.1023/B:INET.0000008934.81148.ee |
|---|
| Katalog-ID: |
OLC2034140796 |
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| 520 | |a Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. | ||
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10.1023/B:INET.0000008934.81148.ee doi (DE-627)OLC2034140796 (DE-He213)B:INET.0000008934.81148.ee-p DE-627 ger DE-627 rakwb eng 620 VZ 11 ssgn Ipatov, A. V. verfasserin aut A Data Acquisition System for Very-Long-Baseline Interferometers 2003 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2003 Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. Tuning Range Radio Telescope Radio Astronomy Phase Coherence Side Band Koltsov, N. E. aut Fedotov, L. V. aut Enthalten in Instruments and experimental techniques Kluwer Academic Publishers-Plenum Publishers, 1959 46(2003), 6 vom: Nov., Seite 787-797 (DE-627)129603007 (DE-600)241643-8 (DE-576)015096815 0020-4412 nnns volume:46 year:2003 number:6 month:11 pages:787-797 https://doi.org/10.1023/B:INET.0000008934.81148.ee lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2015 AR 46 2003 6 11 787-797 |
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10.1023/B:INET.0000008934.81148.ee doi (DE-627)OLC2034140796 (DE-He213)B:INET.0000008934.81148.ee-p DE-627 ger DE-627 rakwb eng 620 VZ 11 ssgn Ipatov, A. V. verfasserin aut A Data Acquisition System for Very-Long-Baseline Interferometers 2003 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2003 Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. Tuning Range Radio Telescope Radio Astronomy Phase Coherence Side Band Koltsov, N. E. aut Fedotov, L. V. aut Enthalten in Instruments and experimental techniques Kluwer Academic Publishers-Plenum Publishers, 1959 46(2003), 6 vom: Nov., Seite 787-797 (DE-627)129603007 (DE-600)241643-8 (DE-576)015096815 0020-4412 nnns volume:46 year:2003 number:6 month:11 pages:787-797 https://doi.org/10.1023/B:INET.0000008934.81148.ee lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2015 AR 46 2003 6 11 787-797 |
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10.1023/B:INET.0000008934.81148.ee doi (DE-627)OLC2034140796 (DE-He213)B:INET.0000008934.81148.ee-p DE-627 ger DE-627 rakwb eng 620 VZ 11 ssgn Ipatov, A. V. verfasserin aut A Data Acquisition System for Very-Long-Baseline Interferometers 2003 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2003 Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. Tuning Range Radio Telescope Radio Astronomy Phase Coherence Side Band Koltsov, N. E. aut Fedotov, L. V. aut Enthalten in Instruments and experimental techniques Kluwer Academic Publishers-Plenum Publishers, 1959 46(2003), 6 vom: Nov., Seite 787-797 (DE-627)129603007 (DE-600)241643-8 (DE-576)015096815 0020-4412 nnns volume:46 year:2003 number:6 month:11 pages:787-797 https://doi.org/10.1023/B:INET.0000008934.81148.ee lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2015 AR 46 2003 6 11 787-797 |
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620 |
| title_sort |
a data acquisition system for very-long-baseline interferometers |
| title_auth |
A Data Acquisition System for Very-Long-Baseline Interferometers |
| abstract |
Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. © MAIK “Nauka/Interperiodica” 2003 |
| abstractGer |
Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. © MAIK “Nauka/Interperiodica” 2003 |
| abstract_unstemmed |
Abstract A data-acquisition system designed for very-long-baseline interferometers is connected to the outputs of cryoelectronic radio astronomy receivers, selects signals in specified frequency bands, and converts them into digital data flows for their recording or transmission through telecommunication channels. The system has two inputs and may contain from two to eight base-band converters with an intermediate frequency tuning range of 100–1000 MHz with a 10-kHz step. These converters transform input signals into video frequencies (up to 16 MHz) and separate signals of the upper and lower side bands with an image rejection of >23 dB. The distortions and loss in the phase coherence of the received noise signals are minimized thanks to the equalizing of the amplitude and phase responses of the amplifiers and selectors, and the good spectral characteristics of the local oscillators of the base-band converters. The data-acquisition system is controlled by a PC or the Mark IV Field System program (now used internationally in the pursuit of radio interferometry), which is installed in the radio telescope's central computer using an RS-232 interface. The prototype of such a system is used as standard equipment for conducting observations on the Svetloye–Zelenchukskaya radio interferometer. The first lot of such systems for the development of a network of radio interferometers has been produced. © MAIK “Nauka/Interperiodica” 2003 |
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| container_issue |
6 |
| title_short |
A Data Acquisition System for Very-Long-Baseline Interferometers |
| url |
https://doi.org/10.1023/B:INET.0000008934.81148.ee |
| remote_bool |
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| author2 |
Koltsov, N. E. Fedotov, L. V. |
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| up_date |
2024-07-03T19:46:49.762Z |
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