kilohertz wikipedia - EAS
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The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s , meaning that one hertz is the reciprocal of one second. It is named after Heinrich Rudolf Hertz … See more
The hertz is equivalent to one cycle per second. The International Committee for Weights and Measures defined the second as "the duration of 9192631770 periods of the radiation corresponding to the transition between … See more
The hertz is named after the German physicist Heinrich Hertz (1857–1894), who made important scientific contributions to the study of electromagnetism. The name was established by the International Electrotechnical Commission (IEC) in 1935. It was adopted by the See more
The CJK Compatibility block in Unicode contains characters for common SI units for frequency. These are intended for compatibility with East Asian character encodings, and not for use in new documents (which would be expected to use Latin letters, … See more
Sound and vibration
Sound is a traveling longitudinal wave which is an oscillation of pressure. Humans perceive frequency … See moreHigher frequencies than the International System of Units provides prefixes for are believed to occur naturally in the frequencies of the … See more
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