A harmonic spectrum is a spectrum containing only frequency components whose frequencies are whole number multiples of the fundamental frequency; such frequencies are known as harmonics. "The individual partials are not heard separately but are blended together by the ear into a single tone."[1]
In other words, if is the fundamental frequency, then a harmonic spectrum has the form
A standard result of Fourier analysis is that a function has a harmonic spectrum if and only if it is periodic.
See also
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[edit]| Acoustical engineering | ||
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| Psychoacoustics | ||
| Audio frequency and pitch | ||
| Acousticians | ||
| Related topics | ||
Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction