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- mirlab.org
  
  10-2 Discrete Fourier Transform (離散傅立葉轉換)
  
  如果 x[n] 恰巧是這些基本弦波中的其中一個，那麼計算出來的雙邊頻譜，應該只有兩個係數不為零，我們可用 MATLAB 驗證如下： Example 2: fft01.m % This example demonstrates the two-side DFT of a sinusoidal function % (此範例展示一個簡單正弦波的傅立葉 ...
  
  2024-08-03
  
  瀏覽：1270
- www.mathworks.com
  
  Fast Fourier transform - MATLAB fft - MathWorks
  
  This MATLAB function returns the discrete Fourier transform (DFT) of vector x, ... f = Fs/2*linspace(0,1,NFFT/2+1); % Plot single-sided amplitude spectrum. plot(f ...
  
  2024-07-30
  
  瀏覽：1270

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Fourier transform - MATLAB fourier - MathWorks

日期：2024-07-28

This MATLAB function computes the Fourier transform of f with respect to the transformation variable trans_var at the point eval_point....

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Fast Fourier transform - MATLAB fft - MathWorks - MATLAB and Simulink for Technical Computing - A

日期：2024-07-31

This MATLAB function returns the discrete Fourier transform (DFT) of vector x, computed with a fast Fourier transform (FFT) algorithm. ... The FFT functions (fft, fft2, fftn, ifft, ifft2, ifftn) are based on a library called FFTW [3],[4]. To compute an N-...

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Fast Fourier Transform (FFT) - MATLAB & Simulink

日期：2024-08-02

The FFT in One Dimension Introduction Basic Spectral Analysis Spectral Analysis of a Whale Call Data Interpolation Using FFT Introduction The MATLAB fft function returns the DFT y of an input vector x using a fast Fourier transform algorithm: y = fft(x); ...

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Fast Fourier Transform (FFT) - MATLAB & Simulink - MathWorks

日期：2024-08-01

The MATLAB® functions fft, fft2, and fftn (and their inverses ifft, ifft2, and ifftn, respectively) all use fast ......

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Fast Fourier transform - MATLAB fft - MathWorks Deutschland

日期：2024-07-30

This MATLAB function returns the discrete Fourier transform (DFT) of vector x, computed with a fast ......

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FFT Tutorial

日期：2024-07-30

The DFT is extremely important in the area of frequency (spectrum) analysis ... Figure 1 shows the DFT (implemented with Matlab's FFT function) of a cosine with....

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