acoustic alarm system

акустическая система тревожной сигнализации

English-Russian dictionary of telecommunications and their abbreviations. . 2004.

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  • Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… …   Wikipedia

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