harmonic frequency
[hɑrˈmɑnɪk ˈfrikwənsi]
nounpl: harmonic frequencies
frequência harmônica
1. A frequency that is an integer multiple of a fundamental frequency; a component of a complex wave at a frequency that is a whole number multiple of the base frequency
The second harmonic frequency is twice the fundamental frequency of the vibrating string.
A segunda frequência harmônica é o dobro da frequência fundamental da corda vibrante.
2. In electrical and acoustical engineering, any frequency component in a periodic signal that is a whole number multiple of the fundamental frequency
Power systems can experience distortion from harmonic frequencies that interfere with standard electrical transmission.
Os sistemas elétricos podem sofrer distorção de frequências harmônicas que interferem na transmissão elétrica padrão.
3. In music acoustics, the natural overtones produced by vibrating objects that create the timbre or tone quality of an instrument
The rich sound of a piano comes from the combination of the fundamental note and its harmonic frequencies.
O som rico de um piano vem da combinação da nota fundamental e suas frequências harmônicas.
The term 'harmonic frequency' is primarily used in technical, scientific, and engineering contexts in both Brazil and the USA. In Brazilian Portuguese, it is commonly taught in physics and electrical engineering programs. The concept is fundamental to understanding sound quality in music production, power system analysis, and telecommunications, making it an important term across multiple industries in both countries.
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