Abstract: Matlab as the world's most widely used mathematical software, with very powerful features, such as numerical computation, data analysis, systems analysis, graphical display and even symbolic operation. And has kinds of toolboxes .
This issue through the learning of Matlab language and Fast Fourier Transform and on the basis of carring on the analysis to the common signal's mathematical model.Uses the Matlab language under the Matlab environment to carry on the fast Fournier transformation to the signal to obtains the spectrograph of continuous signal that take the different sampling frequency and the sampling period
Key word: MATLAB Fast Fournier transformation Spectral analysis
Abstract: Matlab as the world's most widely used mathematical software, with a very powerful numerical calculation, data analysis, systems analysis, graphical display and even the function of symbolic computing and rich toolbox.
This issue through the Matlab language and understanding of Fast Fourier Transform in signal on the basis of common analysis of the mathematical model, based on the environment in Matlab using Matlab language to signal Fast Fourier Transform program, a continuous signal from a different sampling frequency and sampling period corresponds to the fast Fourier transform frequency spectrum.
Keywords: MATLAB FFT spectrum analysis
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