Measurement of Vibration Microaccelerations onboard the Mir Orbital Station Using the VM-09 System of Accelerometers |
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| Authors: | Levtov V L Romanov V V Babkin E V Ivanov A I Stazhkov V M Sazonov V V |
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| Institution: | (1) Central Research Institute of Machine-Building, Korolev, Moscow oblast, Russia;(2) Energiya Rocket-Space Corporation, Korolev, Moscow oblast, Russia;(3) Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya pl. 4, Moscow, 125047, Russia |
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| Abstract: | The results of processing the data of measurements of microaccelerations, carried out onboard the Mir orbital station using the Russian VM-09 system of accelerometers, are described. The system was developed by the  Composite Research-Production Association. The sensitivity of this system was 10–4 m/s2; its frequency band had limits from a few tenths of a hertz up to 100 Hz. The measurements were carried out in the real-time mode of data transmission to the Earth, when the orbital station flew over the telemetry data receiving point. The instrument's sampling rate was 200 measurements per second, and the length of a continuous run of measurements did not exceed 10 min. The following problems are considered in the paper: (1) isolation of cyclic trends from the measurement data; (2) estimation of spectral density of the data component with a continuous spectrum; and (3) low-frequency filtration of the measurement data |
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