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设计一个按照时间抽取的基2快速傅里叶变换（基2FFT-DIT）。输入倒位序，输出自然顺序-To design a time of extraction according to the base 2 Fast Fourier Transform (base 2FFT-DIT). Input inversion sequence, the output of natural order。
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用matlab实现了对于已知序列求其离散傅里叶变换，并给出了三个实际例子进行解释。-Achieved with matlab known sequence requirements for its discrete Fourier transform, and gives practical examples to explain the three.
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快速傅立叶变换（FFT）算法实现
将DFT算法与FFT算法计算时间进行比较，分析二者的效率和精确差异。-Fast Fourier Transform (FFT) algorithm to DFT algorithm and FFT algorithm for computing time to carry out comparative analysis between the two differences in the efficiency and precision.
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在滤波和信号处理中，利用matlab功能实现二维快速傅里叶变换-In filtering and signal processing using matlab function realization of two-dimensional fast Fourier transform
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this source code based on steganography and developed in matlab. in steganography we can hide any data like images in another image.
this method based on discrite fourier transform method.
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MFCC (Mel Frequent Cepstral Coefficient) in M-File.
epresentation of the short-term power spectrum of a sound, based on a linear cosine transform of a log power spectrum on a nonlinear mel scale of frequency.
MFCCs derived as follows:
1. Ta
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sample code to show how to perform digital filtering using fast fourier transform
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实现快速傅里叶变化，并对结果进行分析，增强对快速傅里叶变换的离家-Fast Fourier changes, and the results were analyzed to enhance the fast Fourier transform of the home
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Fourier Spectra for Face Recognition
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STFT 实现短时加窗 傅里叶 变换 分析
可用于跳频时频分析-STFT to achieve short time Fourier transform of windowed time-frequency analysis can be used for frequency hopping
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实验二 离散时间傅里叶分析
1． 离散时间信号 ， ，求 的傅立叶变换 。
离散时间信号 ， ，求 的傅立叶变换
-Experiment 2 discrete-time Fourier analysis 1. Discrete-time signal, find the Fourier transform. Discrete-time signal, find the Fourier transform
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基于快速傅立叶变换的电机中的谐波分析 和提取-Motor based on fast Fourier transform analysis and extraction of the harmonic
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基于MATLAB的快速傅里叶变化论文，有需要的速度，绝对原创-Fast Fourier transform based on MATLAB papers, there is a need for speed, the absolute originality
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傅里叶变换，系统信号转换有关，频域时域变换问题-Fourier transform, the system signal conversion is related to the frequency domain the domain transform
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matlab 傅里叶变换 求包络 等对声音的处理文件-the matlab Fourier transform seeking envelope of sound processing files
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离散傅里叶变换及频谱分析的实验报告，离散时间系统时域、变换域分析的实验报告-Discrete Fourier transform and spectral analysis of the lab report, lab report analysis of discrete-time systems domain, transform domain
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上传的文件为分数阶傅里叶变换二阶中心矩的matlab程序，可得到最佳旋转角度-The uploaded files Fractional Fourier transform matlab program for second-order central moments, the optimum angle of rotation
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分数阶傅里叶变换matlab的实现，可以看看的-Fractional Fourier transform matlab realization, you can see the
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分数阶傅里叶变换的Matlab仿真实现代码-FRFT
matlab
Fractional Fourier Transform Matlab simulation code
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matlab 时频分析工具箱实现短时傅里叶变换(Realization of short time Fourier transform by MATLAB time frequency analysis toolbox)
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