INCREASING THE PROTECTION OF SPEECH INFORMATION BY INSTALLING RIGID EDGES AND AUTOMATED ESTIMATION OF RESONANCES OF THE WINDOW ENCLOSURE
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Abstract
The paper presents a study to reduce the levels of resonances of a window enclosure to increase the security of speech information by attaching glass tubes (stiffeners). To carry out the study, a technique for studying resonances was developed, a software and hardware complex was developed, an automated experiment was carried out on an assembled laboratory setup. During the research, a vibration transducer is used, which allows the measurement signal to be decomposed into three spatial components (X, Y, Z). Statistical and energy criteria for evaluating the levels of resonances of a window enclosure are calculated. Comparison of the numerical values of the parameters of the resonances of the window railing is carried out when the stiffeners are attached for the two schemes of their placement. The effect of reducing resonances and the energy of the reflected signal, as well as the effect of redistribution of energy between the three spatial components of vibration transformation when attaching glass tubes (stiffeners) is shown.
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References
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