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5下载:
离散傅里叶变换,即DFT, 注意:FFT在matlab里有现成的函数可以用,它只是DFT快速实现的一种方法而已。,DFT: Discrete Fourier transform.
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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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快速傅里叶变换的源程序,不调用fft函数-the source of Fast Fourier Transform,do not call fft function
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用MATLAB实现快速傅里叶变换。方程有需要的话,可以自己设定-Using MATLAB to achieve fast Fourier transform. Equation there is a need, they can set their own
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利用matlab的fft函数进行快速傅里叶变换的m文件-Matlab' s fft function using the fast Fourier transform of the m file
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其中图片说明:
A: 傅里叶变换后频谱图
B:陷波函数作用后的频谱图
C:经逆变换的滤波后图像,效果不是很理想
Ifft2:为验证自己的快速傅里叶变换程序的正确性,用matlab自带逆变换程序将频谱逆变换后图形,与原图相符,说明快速傅里叶变换程序正确。-One Photo caption: A: After the Fourier transform frequency spectrum diagram B: the role of Notch function, the fre
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在线快速傅里叶变换(FFT)分析演示,Matlab/Similink-Online fast Fourier transform (FFT) analysis of demonstration, Matlab/Similink
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在matlab环境下编写的快速傅里叶变换程序,改变换程序简单有效-Matlab environment in the preparation of the fast Fourier transform procedure to change the procedure for simple and effective
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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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改程序是建立在一维FFT的基础上编写的,改进的程序可以实现三维的快速傅里叶变换-3D-FFT
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快速傅里叶变换实验源代码,matlab,内含源程序以及结果-Experimental Fast Fourier Transform source code, matlab, containing the source code, as well as the results of
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针对图像进行快速傅里叶变换,方便进行频频分析与处理。-Fast Fourier transform for the image, to facilitate frequent analysis and processing.
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这是一个快速傅里叶变换分析谐波类程序,以及生成火柴梗图的程序-This is a class of fast Fourier transform analysis of harmonic procedures, and the program generates Stick Figure
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FFT 快速傅里叶变换 matlab源代码-FFT
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快速傅里叶变换(FFT)及其应用,这里是一些实例,包括调试好的程序和结果。-Fast Fourier transform (FFT) and its application, here are some examples, including debugging good program and results.
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FFT快速傅里叶变换 Matlab 自编程序-FFT Fast Fourier Transform Matlab self programming
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FFT /快速傅里叶变换的基本原理,使用Visual DSP++软件实现FFT的1024位运算,并附有matlab代码。-FFT/Fast Fourier transform of the basic principles of using Visual DSP++ software FFT of 1024 operations, together with matlab code.
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matlab对信号的处理,主要是针对振动信号的处理,包括加速度积分到位移,时域经快速傅里叶变换到频域(The signal processing of MATLAB is mainly aimed at the processing of vibration signal, including acceleration integral to displacement, time domain and FFT to frequency domain)
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在matlab中对振动信号实现快速傅里叶变换(The realization of fast Fourier transform for vibration signals in MATLAB)
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基于MATLAB的快速傅里叶变换的程序仿真 附课件(Program simulation of fast Fourier transform based on MATLAB)
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