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日期:2024-09-05
Direct application of the definition of the DFT (see Discrete Fourier Transform (
DFT)) to a data vector of length n requires n multiplications and n additions—a ......
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日期:2024-09-05
Fourier transforms, convolution, digital filtering. ... run-time algorithm tuning
control. ifft, Inverse fast Fourier transform. ifft2, 2-D inverse fast Fourier transform....
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日期:2024-09-03
The fundamental tool of signal processing is the FFT, or fast Finite Fourier
Transform. To take the FFT of the sunspot data type the following. The first
component ......
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日期:2024-09-08
12 Aug 2012 ... Your data will be a Nx2 matrix in MATLAB with the first column the time data and
the second column the data you want to Fourier transform....
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日期:2024-09-08
9 Dec 2010 ... The Discrete Fourier Transform (DFT) transforms discrete data from the sample
domain to the frequency domain. The Fast Fourier Transform ......
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日期:2024-09-05
Direct application of the definition of the DFT (see Discrete Fourier Transform (
DFT)) to a data vector of length n requires n multiplications and n additions—a ......
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日期:2024-09-08
24 Nov 2011 ... I have 100 data taken from 0 to 346.5 microseconds. the time interval for each
data is 3.5 microseconds. I need to plot the FFT of this data....
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日期:2024-09-08
Direct application of the definition of the DFT (see Discrete Fourier Transform (
DFT)) to a data vector of length n requires n multiplications and n additions—a ......