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SOFTWARE FOR PROCESSING AND VISUALIZATION OF MEASUREMENTS OF THE DEFORMATION OF THE EARTH'S CRUST
Abstract
Regular measurement of rock deformation processes makes it possible to make judgments about the nature of the deformations of the Earth's crust, as well as the likely precursors of earthquakes near the area where these data are obtained. Therefore, the continuous operation of measuring devices that record such deformations is extremely important. When measuring by laser methods in a normal atmosphere, the distance of measurements can be significant, up to 25 meters and higher. The disadvantage of such measurements is the possible influence of the atmosphere; however, this effect can be eliminated only by providing a vacuum overall measuring shoulder, which is impossible to provide on such long measuring bases. If, however, the measuring shoulder is small, less than one meter, then the measured increments will be so small that their reliable measurement is impossible. Therefore, laser meters operating in atmospheric conditions with large distances are the most effective means of detecting deformations. At the same time, the elimination of the influence of the atmosphere can be achieved by measuring in two orthogonal directions, by using a comparison of measurement results with a standard, by taking into account temperature, humidity and other tricks. This places great demands on the software used to process the signals received from the meter. In addition, the software should provide data compression and primary processing, as well as visualization of current and recent measurement results for prompt decision making on the situation. This paper describes a new software for processing deformation signals received from a laser meter installed at the Talaya Observatory in the Baikal rift zone.
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