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#65: Basics of using FFT on an oscilloscope
Автор: w2aew
Загружено: 2012-11-08
Просмотров: 189197
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This video briefly presents the basics of using a Fast Fourier Transform (FFT) function of a modern digital oscilloscope to observe the frequency or spectral content of a signal. It discusses how the setup of the scope (sample rate, record length, memory depth, etc.) influences the frequency range and resolution of the FFT result. It also shows how the "high-resolution" sampling mode of the scope can be used to increase the vertical resolution of the scope. The example used shows the result of measuring the audio frequency content of the noise created by two different electric drills.
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