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When will we use FFT in electric circuits?

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Not so much in the circuits themselves. An FFT is a technique for finding the frequency components of a signal. Kind of like those LED bars on an audio equalizer. Anyway, an FFT is an analysis of an analog signal. read more

Not so much in the circuits themselves. An FFT is a technique for finding the frequency components of a signal. Kind of like those LED bars on an audio equalizer. read more

Ligthtings, refrigerators, air-conditionings, TVs, Computers, fans, etc need electrical energy which usually delivered by electrical circuit. Usually electrical wires are made of aluminium, steel and copper. We can use semi conductor but is is expensive and cumbersome to transfer a big amount of electrical energy using semi conductor. read more

Chapter 12: The Fast Fourier Transform How the FFT works The FFT is a complicated algorithm, and its details are usually left to those that specialize in such things. read more

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