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DFT
- 针对一幅图像的DFT变换及移到中心并返回幅度值和角度
DFT
- 信号与系统试验报告 离散傅立叶变换(DFT)和频谱分析 一、实验内容 1、实验题目 (1)编写DFT、IDFT程序,并验证其正确性(提示:可利用冲激函数进行验证)。 (2)计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换(DFT),求其振幅谱,相位谱、振幅最大值对应的频谱(检测主频)以及对发f(t)进行DFT变换的结果实现IDFT变换,并画出图形。 参数选择如下:频率f =30HZ,a=f 2㏑(M),M=2.5 2、通过实验理解信号振幅谱、相位谱
32点离散傅里叶变换
- 32点离散傅里叶变换DFT的DSP实现,C语言编码,很好的可移植性和稳定性;对FFT的应用也有一定作用
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.
使用matlab对正弦信号采样
- 使用matlab对正弦信号采样 以及对其进行DFT变换,Matlab sinusoidal signal on the use of sampling, as well as its DFT transform
DFT.rar
- 该程序包括了一个应用最为广的离散傅里叶变换,褶积,抽样最小相位。绝对能运行,The program includes an application of the most widely used discrete Fourier transform, convolution, sampling minimum phase. They can certainly run
DFT.rar
- 几个快速傅立叶变换算法 离散傅里叶变换(DFT) ,dft
DFT-IDFT
- 图像处理的一些基本操作,滤波,傅立叶变换,傅立叶反变换等等,附带有CT照片,可以测试效果.-Some of the basic operation of image processing, filtering, Fourier transform, Fourier inverse transform, etc., with a CT picture, you can test results.
DCT
- 用matlab对一张图片进行DFT变换,DCT变换,比较保留20个DCT变换系数重构的图象与原始图像的差别.-Using matlab on a picture to DFT transform, DCT transform, compared to 20 DCT transform coefficients to retain the image reconstruction of the difference between the original image.
DFT
- 简单实用的dft变换c代码,喜欢的朋友下-Dft simple and practical transformation c code, like a friend the next
DFT
- 该程序是opencv实现图像离散傅立叶变换的源码,可以在vc++6.0等类似环境下直接运行。-The program is opencv discrete Fourier transform of image source, such as in vc++6.0 run directly under a similar environment.
DFT
- 图像处理matlab源代码,主要使用傅里叶变换。-Image processing matlab source code, primarily using the Fourier transform.
DFT
- 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.
dft
- verilog语言实在点变换DFT源代码,可以配合软核或者其他CPU进行综合FFT变换,也可以单独使用生成module!-verilog language is point FFT transform source code, can tie in with the soft-core CPU, or other integrated FFT transform, it can be used to generate module!
dft
- 这个程序代码的主要目标是对图像进行DFT变换,从而可以使图像进行压缩-The code' s main objective is to transform images DFT, which allows image compression
DFT
- 计算单点DFT以及序列的DFT变换 计算单点逆DFT以及序列的逆DFT变换-Calculate single-point DFT and DFT-calculated sequence of single-point inverse DFT and inverse DFT transform sequence
DFT-digital-watermark
- 利用DFT变换实现数字水印的源代码,请大家赐教-the code about the digital watermark in the region of DFT,using matalab
dct-dft
- 对一幅图像进行DCT dft变换后的结果和运行出来的图形-Image on a DCT dft transformed results and running out of graphics
dct·dft
- 使用matlab对图像进行dct、dft变换(通过原理实现算法)(Using MATLAB to carry out DCT and DFT transform (through principle implementation algorithm))
DFT代码
- 对随机信号进行DFT变换,分析其频谱特性(The DFT transformation of random signals is carried out to analyze the spectral characteristics of the random signals)