Search - 2d fft

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[Mathimatics-Numerical algorithms] FFTdemo DL : 0: 基2FFT，包括一个DFT-2-d FFT, including a DFT program
Update : 2025-02-19 Size : 28kb Publisher : xqz
[Other] fft_source-delphi DL : 0: fft源代码，在delphi环境下开发的。没有密码，随意下。-FFT source code, developed in Delphi. No password, you can use it freely.
Update : 2025-02-19 Size : 24kb Publisher : wwz
[Windows Develop] 二维快速傅立叶变换 DL : 0: This document introduces the techniques of fast Fourier transform and gives a source code in C for computing 2D FFT on image data.
Update : 2025-02-19 Size : 30kb Publisher : 冰城
[Communication] fft_基2基4_2d3d DL : 0: 基2基4的2d、3d的fft快速算法，代码写的很规范，效率很高。-Radix-2-4 of the 2d, 3d of fft fast algorithm, code written in a very standardized, high efficiency.
Update : 2025-02-19 Size : 60kb Publisher : 张强
[Algorithm] Experiment-for-FFT-convolution-using-Overlap-Add-m DL : 0: 采用FFT和IFFT的快速卷积的C程序实现源代码。-FFT and IFFT fast convolution C program source code.
Update : 2025-02-19 Size : 2kb Publisher : minytian
[Special Effects] FFT2Dsource DL : 0: 二维FFT(快速傅立叶变换)变换源代码,可编译通过并能正常运行.-2D FFT (Fast Fourier Transform) transform source code, compile and can operate normally.
Update : 2025-02-19 Size : 289kb Publisher : 黄钦
[Special Effects] DCT2-lele DL : 0: 利用蝶形算法类似于FFT，利用先行再列实现二维DCT。速度很快。包含反DCT的代码。-similar to the use of butterfly FFT algorithm, the first re-use of 2D DCT out. Very fast. Contain anti- DCT code.
Update : 2025-02-19 Size : 2kb Publisher : yaoli
[Special Effects] FFT_2D DL : 0: 二维情况下实现快速傅立叶变换，利用一维情况下的FFT实现-under 2D of the fast Fourier transform, using a dimension of the FFT
Update : 2025-02-19 Size : 2kb Publisher : 江边漫步
[Algorithm] fft DL : 0: 由上述实验过程的图像变化可知，经过傅立叶变换和反变换及DCT离散余弦变换和反变换后，图像都发生了很大的变化，首先是经过2-D傅立叶变换后，图像数据频域出现高频数据集中，低频数据在四周的现象，然后再经过2-D傅立叶变换反变换后，图像再次恢复原始图。而2-D离散余弦变换对图像的影响也是如此。-From the above experiment, we can see the image change, after Fourier transform and inverse transform and DCT discrete cosine transform and inverse transform, the images have changed a lot, first of all, is a 2-D Fourier transform, the image data emergence of high-frequency frequency-domain data, low-frequency data in the four weeks of the phenomenon, and then after a 2-D Fourier transform inverse transform, the image again to restore the original map. And 2-D discrete cosine transform on the impact of images is also true.
Update : 2025-02-19 Size : 464kb Publisher :
[Special Effects] fft DL : 0: implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and achieve the Butterworth Lowpass Filter
Update : 2025-02-19 Size : 2kb Publisher : lu jie
[Algorithm] FFT2D DL : 0: 1维和2维快速傅里叶变换，网上广为流传的英文版本-1-D and 2-D Fast Fourier Transform， Perform a 2D FFT inplace given a complex 2D array
Update : 2025-02-19 Size : 1kb Publisher : yang xulei
[Software Engineering] ArisImageRoutines_source DL : 0: A good resource for 2D FFT and DCT
Update : 2025-02-19 Size : 29kb Publisher : slaco
[Special Effects] 2D-FFT-C DL : 1: 二维快速傅里叶变换及其逆变换，用于图像处理等领域-two dimensional fast fourier transform and its inverse fast fourier transform
Update : 2025-02-19 Size : 192kb Publisher : zhang bo
[Other] xianxingxitongdepinyufenxifa DL : 0: How to apply the 2D FFT functions in Matlab 如何使用MATLAB中的FFT2对图像进行二维的FFT处理详细教程-How to apply the 2D FFT functions in Matlab 如何使用MATLAB中的FFT2对图像进行二维的FFT处理详细教程
Update : 2025-02-19 Size : 7kb Publisher : xuyutong
[matlab] FFT2D DL : 0: This is the processing of images to be converted into 2D. from the original picture, it will be first converted to grayscale in the form, then do 2 Dimensional FFT on the image, then the image is done in 2D FFT on the result of changes filter.seluruh images displayed.
Update : 2025-02-19 Size : 1kb Publisher : azmi
[matlab] 2DFFT DL : 0: 2D FFT的源代码，图形显示变换结果，关键代码有详细注释-2D FFT source code
Update : 2025-02-19 Size : 1kb Publisher : 桂树
[matlab] 2D-FFT DL : 0: 构造一个线性调频信号作为差频信号进行2D FFT处理 -create a LSM signal. make 2D FFT of the signal above
Update : 2025-02-19 Size : 1kb Publisher : 梁
[Mathimatics-Numerical algorithms] fft DL : 0: fft.matlab 程序，二维fft.matlab 程序(fft.matlab,2d.fft.matlab)
Update : 2025-02-19 Size : 2kb Publisher : 时慕
[Algorithm] FFT-and-FFT-2D-ANSI-C DL : 0: 标准C语言实现的一维和二维快速傅里叶变换代码，代码运行时不需要额外占用多余的内存空间，简单易用，具体可见代码说明。(FFT and 2 dimension FFT algorithm acommplished with ANSI C.It occupies the least memory space while running after embeded into you project.The source code is easy and brief,you can check the text file for more information.)
Update : 2025-02-19 Size : 3kb Publisher : 邓中洋
[matlab] fft_2d_test DL : 1: fft_2d_test.m:对三角LFMCW雷达回波进行2维FFT处理，获得目标的距离速度信息(Perform 2D FFT processing on the triangular LFMCW radar echo to obtain the target distance velocity information)
Update : 2025-02-19 Size : 1kb Publisher : yuxiu1hao

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