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离散傅里叶变换,即DFT
- 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.
FFTorIFFT.用于信号处理的matlab小程序
- 用于信号处理的matlab小程序。傅里叶变换和傅里叶逆变换,fft or ifft
LdA350.rar
- 傅里叶分解计算基波有效值相位角和各次谐波的有效值和相位角,Fourier decomposition of computing fundamental RMS phase angle and harmonic RMS and phase angle
conv2fft.rar
- 指纹识别系统设计时利用频域傅里叶进行频域增强的一段程序,Fingerprint identification system designed for the use of frequency-domain Fourier frequency domain a period of enhanced procedures
frft.rar
- 本程序使用分数阶傅里叶变换实现了对信号的处理,方法非常高效,frft
FT
- 基于傅里叶变换的去除图像纹理方法。通过去除频域高亮区域来消除纹理,保留低频信息。-Based on Fourier Transform method to remove the image texture. Highlighted region by removing the frequency domain to eliminate the texture, retain low frequency information.
matlab-Imagechange
- 这是一个matlab图像变换程序包,包括傅里叶变换、离散余弦变换、Radon变换等-This is an image transform matlab package, including Fourier transform, discrete cosine transform, Radon transform
二维离散傅里叶变换
- 不调用matlab自带函数实现二维离散傅里叶变换(Do not call matlab own functions to achieve two-dimensional discrete Fourier transform)
傅立叶变换程序
- 傅里叶变换的matlab实现 主要是自己做的例题(Fourier transformation)
自建快速傅里叶变换结果浏览
- 自己构建的基于MATLAB的快速傅里叶变换查看器 有界面,方便快捷查看图片的时域和频域的内容(Self built fast Fourier transform viewer based on MATLAB There is an interface to easily and quickly view the content of the time and frequency domain of the picture)
分数阶盲水印傅里叶变换--已实现
- 二维分数阶傅里叶变换,数字水印,盲水印,可能是我的参数没有调整好,可以提取出水印,但是效果不太好,但完全可以正常运行,如果哪个大神修正了,也请联系我(Two dimensional fractional Fourier transform, digital watermark, blind watermark, may be my parameters do not adjust well, can extract the watermark, but the effect is not ver
DFT(傅里叶变换)
- 傅里叶变换在图像处理中被广泛应用,该算法实现了傅里叶变换的基本代码。(This algorithm implements the basic code of the Fourier transform.)
傅里叶变换
- matlab 傅里叶仿真,算法比较简单,可供初学者看看。(Matlab Fourier simulation, the algorithm is relatively simple, for beginners to see.)
matlab傅里叶变化性质验证
- 二维傅立叶变换的Matlab实现,是利用图像处理软件对给 出的图像进行傅立叶变换处理。 自行设计一幅图像,验证离散傅立叶变换的性质,如: 频谱图中高频分量迅速衰减,可分离性,平移,周期性与共 轭对称性,旋转、线性和比例性,平均值。(The Matlab implementation of two-dimensional Fu Liye transform is based on image processing software. The image is processed by Fu
傅里叶变换
- 在matlab上对数据进行傅里叶变换,得到频域信号(Fourier transform of data in MATLAB)
短时傅里叶变换matlab
- 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)
图像傅里叶变换
- 二维傅立叶变换的Matlab实现,是利用图像处理软件对给出的图像进行傅立叶变换处理。在Matlab中,函数fft2表示二维傅立叶变换,函数ifft2则表示二维傅立叶反变换。(The Fourier transform of the image)
分数阶傅里叶变换
- 基于matlab的分数阶傅里叶变换故障诊断技术的实现(The realization of fault diagnosis technology of fractional Fourier transform based on MATLAB)
短时傅里叶变换matlab程序
- 短时傅里叶变换的MATLAB实现代码,有效完成时频分析(matlab implementation code of short-time Fourier transform to effectively complete time-frequency analysis)
8880短时傅里叶小波
- 对信号进行短时傅里叶变换和小波变换,观察其时频特性,压缩包中含有需要用到的测试信号文件,可以直接运行,供参考(Carry out short-time Fourier transform and wavelet transform on the signal, observe its time-frequency characteristics, and the compression package contains the test signal files needed, which ca