کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9953750 1523475 2019 23 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Seismic response of the Mars Curiosity Rover: Implications for future planetary seismology
ترجمه فارسی عنوان
پاسخ لرزه ای مریخ کنجکاوی روور: پیامدهایی برای زلزله شناسی آینده در سیاره
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات علوم فضا و نجوم
چکیده انگلیسی
Seismic measurements are an important tool for exploration of planetary interiors, but may not be included in missions due to perceived complexity in placement of sensitive instruments on the surface. To help address this concern, we assess the fidelity of recordings of ground motion by an instrument placed on the deck of the engineering model of the Mars Science Laboratory compared with an identical instrument placed on the ground directly beneath. Comparison of the recordings reveals clear recordings of teleseismic earthquakes on both instruments. The transfer function between the instruments demonstrates the deck instrument is affected by resonance frequencies of the lander, and does not faithfully record ground motion at these frequencies or higher. In addition, additional decoherence is observed near 1 Hz during periods of strong airflow due to air conditioning cycling. However, excellent coherence and a transfer function near 1 can be observed in the important seismic band between 2 and 30 s at all times and extending up to the lander resonances during the night time when air conditioning was not running. This suggests a deck-mounted seismic instrument may be able to provide valuable science return without requiring additional deployment complexity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Icarus - Volume 317, 1 January 2019, Pages 373-378
نویسندگان
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