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matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换（DCT）进行了详细的分析。其中DFT包括log视觉处理，中心点移动等。DCT包括分块处理，和保留较少系数，并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
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.
matlab
- 计DFT，IDFT,FFT,循环卷积，循环移位以及重叠保留法-Of DFT, IDFT, FFT, cyclic convolution, cyclic shift and overlap to retain the Law
dft
- dft数字水印源代码 -DFT Digital Watermarking source code
efficient_registration
- 利用傅里叶变换，在频域上对两幅图像配准，是一种比较配准的新方法，但是对弹性配准的效果不是很好 需要进一步的研究。-Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. Instead of computing a zero-padded FFT (fast Fourier transform), this code uses selective upsamp
802.11a_ofdm_code
- 现在我终于找到了一份,它以FUNCTION的形式,再现了OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码.希望大家能从中得到你需要的东西. -Now I finally found a copy of it to the form of FUNCTION, reproduces OFDM mapping, IDFT/DFT, synchronized (time/frequency synchronization), and channel e
MATLAB_code_of_image_processing
- 该gui函数基本上包括图像处理里面的最基本处理，相当于一个小型photoshop。比如读取文件，几何变换中的垂直镜像，平移，旋转，缩放；正交变换的DFT，FFT，DCT，DST，DHT，DWashT；灰度处理中的反色，直方图均衡，全局线性变换，分段线性变换，指数非线性变换，对数非线性变换；图像增强里面的加噪声，平滑，锐化，伪彩色增强；图像分割里面的灰度阈值法，Robert，Laplace，sobel，prewitt，canny算子边缘检测法；图像恢复里面的直接逆滤波，维纳滤波；图像编码里面的霍夫
DFT
- 数字信号处理中的DFT源代码，很实用，希望对大家有用-DFT Digital Signal Processing source code, it is useful, we want to be useful
myfft
- 自己编写的基为2的fft程序，输入为时间序列，输出为DFT序列-matlab code that can perform FFT based on radix-2 algorithm
speech_enhancement_simulations
- 几种增强算法的总结，MATLAB代码，算法包括有：谱减法，MMSE-LOGSTSA ,MMSE-ST-DFT ,decision-Directed method,multi-band 谱减法等-A summary of several enhancement algorithm, MATLAB code, the algorithm include: spectral subtraction, MMSE-LOGSTSA, MMSE-ST-DFT, decision-Directed method
MainCode
- matlab code that make an image with capability of rotataing, shifting, .. and compute 2-d DFT.
dft
- This contain discrete fourier transform code and inverse discrete fourier transform coded in matlab and also contain dfs and idfs
DFT-watermaking
- 灰度图像加入和提取水印的matlab实现源码，基于傅里叶域变换。-It s matlab code about embdding and extracting watermark to gray image,using DFT.
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
DFT_channealestimation
- 很基础的基于DFT方法的信道估计代码，对于无线通信基带类有很好的参考价值- Code of DFT-based channel estimation method, refering to wireless communications baseband algorithm
dft-and-fft-time
- Matlab code for identify FFT and DFT differences of working times. -Matlab code for identify FFT and DFT differences of working times.
dft-matlab-code
- Matlab code to find DFT
DFT-Matlab-Code
- This the Matlab code for DFT of a sequence. We used TMS320c6713 processor for the operation part.-This is the Matlab code for DFT of a sequence. We used TMS320c6713 processor for the operation part.
DFT IDFT FFT
- 最基础的数字信号处理关于DFT,IDFT,FFT可以直接matlab运行(dft.m idft.mThis is a very good button source code complete and can be used directly)
SlidingDFT
- 滑动DFT实现短时傅里叶变换的matlab代码，包括正变换和逆变换，可极大提高时频分析的计算效率(Sliding DFT to realize short-time Fourier transform matlab code, including positive and inverse transforms, can greatly improve the efficiency of time-frequency analysis.)