Description: 包括如何将几百个*.txt的文件读入程序，并通过快速傅立叶变换进行数据处理画出图像。-including how to hundreds *. txt file into the process, and through the fast Fourier transform data processing paint images. Platform: |
Size: 1097 |
Author:万新 |
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Description: This function spatially filters an image, using the Fast Fourier transform and a user-supplied frequency filter function. The filter must be real (amplitude only) and bilaterally symmetric. Platform: |
Size: 25872 |
Author:fei |
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Description: 快速傅立叶变换和离散余弦变换的简单实现，有一些小问题，就不修复了，呵呵。-fast Fourier transform and discrete cosine transform a simple, and it is only a small problem, not repaired, huh. Platform: |
Size: 357437 |
Author:asly |
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Description: 基于linux操作下的fortran快速付立变换的程序-based on the Linux operating FORTRAN fast Fourier transform procedures Platform: |
Size: 42876 |
Author:马德才 |
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Description: 快速傅里叶变换FFT通用matlab源程序,众所周知，matlab工具箱里的fft函数是内置的，我们无法看到其源代码，为了学习交流方便，特帖出本人以前用matlab语言写的fft通用matlab源程序，以供初学者学习参考之用！-FFT fast Fourier transform common Matlab source, as we all know, the Matlab toolbox fft function is built-in, we can not see the source code, in order to facilitate the exchange of learning and special TIE out I used to write using the Matlab language fft common source Matlab, for beginners to learn reference only ! Platform: |
Size: 1112 |
Author:刘鹏 |
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Description: 文章通过对实序列快速傅里叶变换的算法推导及Mallat 算法原理的分析，根据离散小波变换（DWT）算
法结构特征，提出了一种离散小波的快速变换算法，给出了相应的算法步骤。从数学理论上进行了论证，并把该算法
应用到静态图像处理中，得到了很好的快速和重建效果，具有一定的实用价值。
关键词：小波分析；Mallat 算法；快速小波算法 图像处理
中图分类号：TN914 文献标识码：A
1 引言
小波分析是近十多年来迅速发展起来的新兴学科和信号分析理论，是继傅里叶分析方法之后的重
大突变。它具有时域局部化和频域局部化的优点，而且高频端的时间间隔小（有着高的时间分辨率），
低频端的时间间隔大（有着高的频率分辨率），这与人的视觉机制由粗到细的认识过程相一致，固而有
“数学显微镜”之称，是进行信号处理和分析的有效工具。特别是其多分辨率分析理论及其快速算法
——Mallat 算法在数字信号处理和数字通信-articles on real sequence Fast Fourier Transform algorithm Derivation Principle and Mallat algorithm analysis, discrete wavelet transform (DWT) algorithm structure, a fast discrete wavelet transform algorithm, corresponding to the given algorithm steps. From a theoretical mathematical proof, and the algorithm is applied to the static image processing, to be a good and rapid reconstruction effect, it is of great practical value. Keywords : wavelet analysis; Mallat algorithm; Fast Wavelet Image Processing Algorithms Key words : ODFD code : A preamble to a wavelet analysis of the last 10 years developed rapidly emerging disciplines and signal analysis theory, Fourier analysis is the method after a major mutation. It is localized in time domain and frequency domain of local advantages, but hig Platform: |
Size: 9996 |
Author:顶替 |
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Description: 该函数用于对图像进行傅立叶ni 变换 采用蝶形算法进行快速付立叶变换该函数用于对图像进行傅立叶ni变换 采用蝶形算法进行快速付立叶变换-function for the right image ni Fourier transform algorithm used butterfly fast Fourier transform function with the in the right image ni Fourier transform algorithm used butterfly fast Fourier transform Platform: |
Size: 1310 |
Author:木土 |
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Description: 该函数用于对图像进行傅立ni 叶变换 采用蝶形算法进行快速付立叶变换该函数用于对傅立叶变换后的图像进行反变换-function for the right image makes ni Fourier transform algorithm used butterfly fast Fourier transform function with the the Fourier transform in the image-transformation Platform: |
Size: 1293 |
Author:木土 |
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Description: 快速傅利叶变换 C 语言源代码,关于傅立叶变换的-Fast Fourier Transform C language source code on the Fourier transform Platform: |
Size: 17018 |
Author:大海 |
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Description: 图象的快速傅立叶变换，自己开发的程序，直接打开工作区即可使用，望指教。-image of the fast Fourier transform, the development of its own procedures and directly open work area can use, look exhibitions. Platform: |
Size: 68423 |
Author:苏亮 |
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Description: 实现快速FFT傅立叶变换算法的Header文件，方便编程时使用。-FFT fast Fourier transform algorithm Header paper to facilitate the use of programming. Platform: |
Size: 1069 |
Author:赵杰伊 |
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Description: OFDM中的关于快速傅立叶变换的个人设计的MATLAB的算法，比较经典的 ！-OFDM on the Fast Fourier Transform personal design MATLAB algorithm, more classic! Platform: |
Size: 20964 |
Author:yeyue |
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Description: 自适应滤波器，图像处理中有重要作用，基于MFC和快速傅立叶变换的具有自适应功能。-adaptive filter, the image processing is an important role, Based on the MFC and Fast Fourier Transform adaptive function. Platform: |
Size: 70527 |
Author:ericmoon |
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Search - Fast Fourier Transform