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Laser-induced breakdown spectroscopy acoustic testing of the Mars 2020 microphone
Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review
Links
- https://hal.archives-ouvertes.fr/hal-02000690/file/Murdoch_21012.pdf
Accepteret manuskript
DOI
- https://doi.org/10.1016/j.pss.2018.09.009
Forlagets udgivne version
- N. Murdoch, Université de Toulouse ,
- B. Chide, Université de Toulouse, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- J. Lasue, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- A. Cadu, Université de Toulouse ,
- A. Sournac, Université de Toulouse ,
- M. Bassas-Portús, Université de Toulouse ,
- X. Jacob, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- J. Merrison
- J. J. Iversen
- C. Moretto, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- C. Velasco, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- L. Parès, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- A. Hynes, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- V. Godiver, Université de Toulouse ,
- R. D. Lorenz, Johns Hopkins University ,
- P. Cais, Laboratoire d'Astrophysique de Bordeaux ,
- P. Bernadi, Laboratoire d'études spatiales et d'instrumentation en astrophysique, CNRS, Université Pierre et Marie Curie, Université Denis Diderot, Observatoire de Paris, 92195 Meudon cedex, France ,
- S. Maurice, Team 9 Prevention and Promotion of Carcinogenesis by Food ,
- R. C. Wiens, Los Alamos National Laboratory ,
- D. Mimoun, Université de Toulouse
The SuperCam instrument suite onboard the Mars 2020 rover will include the Mars Microphone, an experiment designed to record the sounds of the SuperCam laser strikes on rocks and also aeolian noise. In order to record shock waves produced by the laser blasts, the Mars Microphone must be able to record audio signals from 100 Hz to 10 kHz on the surface of Mars, with a sensitivity sufficient to monitor a laser impact at distances up to 4 m. The Aarhus planetary simulator facility has been used to test the Mars 2020 rover microphone in a controlled Martian environment. The end-to-end tests performed in a 6 mbar CO2 atmosphere, with wind, and also with the microphone at −80° C have demonstrated that the SuperCam/Mars Microphone requirements are satisfied. Tests were also performed on Martian soil simulant targets showing that the variation of the acoustic energy of the shock wave depends on the level of compaction of the target.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Planetary and Space Science |
| Vol/bind | 165 |
| Nummer | January |
| Sider (fra-til) | 260-271 |
| Antal sider | 12 |
| ISSN | 0032-0633 |
| DOI | |
| Status | Udgivet - 2019 |
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