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A Seismometer for Observations on Marsстатья
- Авторы: Manukin A.B., Kazantseva O.S., Kalinnikov I.I., Matyunin V.P., Sayakina N.F., Ton’shev A.K., Chernogorova N.A.
- Журнал: Cosmic Research (English translation of Kosimicheskie Issledovaniya)
- Том: 59
- Номер: 5
- Год издания: 2021
- Издательство: Pleiades Publishing, Inc.
- Местоположение издательства: New York, USA
- Первая страница: 366
- Последняя страница: 375
- Оригинальные версии: Сейсмометр для наблюдений на Марсе
- DOI: 10.1134/S0010952521050087
- Аннотация: This article paper the results of the development and creation of a three-component seismometerfor measurements on Mars. In the low-frequency and quasi-static region of the spectrum, the instrument also performs the functions of a tiltmeter and gravimeter. A description of the sensing element, a single-axis sensor, is given. The instrument includes three such sensors, the sensitivity axes of which are perpendicular to each other. The test mass in each sensor has its mechanical and magnetic hardness maintained, and the natural frequency of the oscillator is about 5 Hz. Limiting sensitivity problems determined by eigen equilibrium thermal fluctuations are considered. Ways of solving the technical problems, i.e., delivering a unit of sensing elements under a protective casing to the surface of Mars and installing the instrument along the gravitational vertical, as well as the results of calibration by the tilt method, which showed that the instrument characteristics are close to the planned ones, are listed. The amplitude sensitivity of the instrument base vibrations in the vicinity of 1 Hz caused also by the noise of the capacitive transducer of small movements of the test mass into an electric signal was ~3 × 10–10 m.
- Добавил в систему: Казанцева Ольга Сергеевна