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Definition of Harmonic analysis
1. Noun. Analysis of a periodic function into a sum of simple sinusoidal components.
Definition of Harmonic analysis
1. Noun. (analysis) A study of the representation of functions or signals as the superposition of basic waves, involving the notions of harmonic functions, trigonometric series, Fourier series, Fourier transforms, almost periodic functions, and others. ¹
¹ Source: wiktionary.com