Atechnique for resolving complex repetitive waveforms into sine or cosine waves and a dc component is known as:
(a) fourier analysis
(b) harmonic analysis
(c) frequency analysis
(d) armstrong's principle

(A) Fourier Analysis

Explanation:

Fourier Analysis  

It is the form of study of the way a general functions can be represented via the sum of the simple trigonometric functions .

It is named after Joseph Fourier , who represented a function as a sum of its trigonometric functions and it simplifies the study of the heat transfer .

Hence ,  

The technique for resolving the complex repetitive waveforms into the sine or the cosine waves and the DC component is known as the Fourier Analysis .

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answer:

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explanation:

d. represents both (b) and (c).

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