![]() The analysis of signal by decomposing it into its frequency related components is known as Frequency Domain Analysis. Frequency Domain AnalysisĪ periodic signal can be decomposed into a linear weighted sum of harmonically related sinusoidal functions or complex exponential functions, which are known as Fourier series. In the Fourier series the signal is decomposed into harmonically related sinusoidal functions. The Fourier series is a tool used for transforming a signal from time domain to the frequency domain. Many times all the information available in time domain is not sufficient for the analysis of the circuits, for this reason we have to transform the signal into frequency domain for extracting more information about the signal. ![]() Jean Baptiste Joseph Fourier developed a technique to analysing non-sinusoidal waveforms applicable to a wide range of engineering problems. ![]()
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