Status report for the development of the Antarctic penetrator: No.1. 1989-year program
We started the development of the Antarctic penetrator which was applicable to the future seismic explosion experiments in the Sør Rondane Mountains region, Antarctica. The planned observation system consists of the expendable ground system segment (GSS : penetrator) and the data collection segment...
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National Institute of Polar Research
1991
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ftdoajarticles:oai:doaj.org/article:9f649e87577f434d8ae2cb203e3c6468 2023-05-15T13:34:51+02:00 Status report for the development of the Antarctic penetrator: No.1. 1989-year program Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Akira Iga 1991-03-01T00:00:00Z https://doi.org/10.15094/00008714 https://doaj.org/article/9f649e87577f434d8ae2cb203e3c6468 EN JA eng jpn National Institute of Polar Research http://doi.org/10.15094/00008714 https://doaj.org/toc/0085-7289 https://doaj.org/toc/2432-079X doi:10.15094/00008714 0085-7289 2432-079X https://doaj.org/article/9f649e87577f434d8ae2cb203e3c6468 Antarctic Record, Vol 35, Iss 1, Pp 92-117 (1991) Geography (General) G1-922 article 1991 ftdoajarticles https://doi.org/10.15094/00008714 2022-12-31T14:27:09Z We started the development of the Antarctic penetrator which was applicable to the future seismic explosion experiments in the Sør Rondane Mountains region, Antarctica. The planned observation system consists of the expendable ground system segment (GSS : penetrator) and the data collection segment (DCS) on the helicopter. Using the Grant-in-Aid for Scientific Research, No.01840012,from the Ministry of Education, Science and Culture of Japan, we made the following experiments as a 1989-year program. (1) We made 6 vertical-component seismometers (type V241-M), and conducted shock tests (acceleration ranging from-5000G to 5000G) at the Noshiro Testing Center, Institute of Space and Astronautical Science. The sensors were proven to suffer no damage with negligible change of the frequency characteristics. (2) An IFP (Instantaneous Floating Point) amplifier and the digital recording program were designed, and the laboratory experiments with the above seismometers were made. (3) Shock tests of the electronics parts such as quartz oscillator circuit, chemical battery, CPU (Central Processing Unit), ROM (Read Only Memory), etc. were made to select appropriate units and to obtain know-how of potting. (4) Dummy penetrators were deployed from the hovering helicopter (AS 350B) 600m above the glazed snow surface around Asuka Station (71.5°S, 24.0°E, 1000m asl). We obtained s=8.3-11.1 for the parameter value of snow hardness. (5)The telemetry method and the necessary commands for data acquisition and system diagnostics were examined. Direct transmitting VHF waves with 4-valued FM coded data may be applied as an aerial link Article in Journal/Newspaper Antarc* Antarctic Antarctica Directory of Open Access Journals: DOAJ Articles Antarctic Sør Rondane Mountains ENVELOPE(25.000,25.000,-72.000,-72.000) Sør-Rondane ENVELOPE(25.000,25.000,-72.000,-72.000) The Antarctic |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English Japanese |
topic |
Geography (General) G1-922 |
spellingShingle |
Geography (General) G1-922 Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Akira Iga Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
topic_facet |
Geography (General) G1-922 |
description |
We started the development of the Antarctic penetrator which was applicable to the future seismic explosion experiments in the Sør Rondane Mountains region, Antarctica. The planned observation system consists of the expendable ground system segment (GSS : penetrator) and the data collection segment (DCS) on the helicopter. Using the Grant-in-Aid for Scientific Research, No.01840012,from the Ministry of Education, Science and Culture of Japan, we made the following experiments as a 1989-year program. (1) We made 6 vertical-component seismometers (type V241-M), and conducted shock tests (acceleration ranging from-5000G to 5000G) at the Noshiro Testing Center, Institute of Space and Astronautical Science. The sensors were proven to suffer no damage with negligible change of the frequency characteristics. (2) An IFP (Instantaneous Floating Point) amplifier and the digital recording program were designed, and the laboratory experiments with the above seismometers were made. (3) Shock tests of the electronics parts such as quartz oscillator circuit, chemical battery, CPU (Central Processing Unit), ROM (Read Only Memory), etc. were made to select appropriate units and to obtain know-how of potting. (4) Dummy penetrators were deployed from the hovering helicopter (AS 350B) 600m above the glazed snow surface around Asuka Station (71.5°S, 24.0°E, 1000m asl). We obtained s=8.3-11.1 for the parameter value of snow hardness. (5)The telemetry method and the necessary commands for data acquisition and system diagnostics were examined. Direct transmitting VHF waves with 4-valued FM coded data may be applied as an aerial link |
format |
Article in Journal/Newspaper |
author |
Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Akira Iga |
author_facet |
Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Kazuo Shibuya Katsutada Kaminuma Hitoshi Mizutani Akio Fujimura Shigeki Tsukamoto Isao Yamada Kiyoshi Ito Toshihiko Kanazawa Masayuki Takasaki Akira Iga |
author_sort |
Kazuo Shibuya |
title |
Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
title_short |
Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
title_full |
Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
title_fullStr |
Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
title_full_unstemmed |
Status report for the development of the Antarctic penetrator: No.1. 1989-year program |
title_sort |
status report for the development of the antarctic penetrator: no.1. 1989-year program |
publisher |
National Institute of Polar Research |
publishDate |
1991 |
url |
https://doi.org/10.15094/00008714 https://doaj.org/article/9f649e87577f434d8ae2cb203e3c6468 |
long_lat |
ENVELOPE(25.000,25.000,-72.000,-72.000) ENVELOPE(25.000,25.000,-72.000,-72.000) |
geographic |
Antarctic Sør Rondane Mountains Sør-Rondane The Antarctic |
geographic_facet |
Antarctic Sør Rondane Mountains Sør-Rondane The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Antarctic Record, Vol 35, Iss 1, Pp 92-117 (1991) |
op_relation |
http://doi.org/10.15094/00008714 https://doaj.org/toc/0085-7289 https://doaj.org/toc/2432-079X doi:10.15094/00008714 0085-7289 2432-079X https://doaj.org/article/9f649e87577f434d8ae2cb203e3c6468 |
op_doi |
https://doi.org/10.15094/00008714 |
_version_ |
1766058480537436160 |