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The number of cycles the motion goes through per unit of time (usually taken as
one second) is called the frequency, a quantity of greater practical importance
than the period. Frequency is commonly denoted by / and is the reciprocal of the
will be sustained at its natural frequency. Such a sustained vibration is called a
self-excited vibration because its frequency depends on its own constitution and
not on the external energy supply. An example is the vibration of a violin string ...
Because the wave velocity is the same for all these waves, the following
relationships hold for the frequencies: f2 = 2fv f3 = 3fv f4 = 4fv Harmonics etc. The
higher frequencies f2, /3, etc., are called harmonics of the fundamental frequency
fv The ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review