搜索资源列表
FourierTransform_fft
- 关于信号处理中傅立叶变换的MATLAB函数,可以与FFT进行对比,运算速度比较快。-on Signal Processing Fourier transform function MATLAB, compared with the FFT. Operational speed is faster.
FFTfrequencychartisanalytical
- 1.通过实验加深对快速傅立叶变换(FFT)基本原理的理解。 2.了解FFT点数与频谱分辨率的关系,以及两种加长序列FFT与原序列FFT的关系。 离散傅里叶变换(DFT)和卷积是信号处理中两个最基本也是最常用的运算,它们涉及到信号与系统的分析与综合这一广泛的信号处理领域。实际上卷积与DFT之间有着互通的联系:卷积可化为DFT来实现,其它的许多算法,如相关、滤波和谱估计等都可化为DFT来实现,DFT也可化为卷积来实现。-1. Deepen the experimental fast Fou
frfft
- 广义傅立叶变换程序用于数字图象,数字信号处理.-generalized Fourier transform procedures for digital images, digital signal processing.
ImageProcessorCourseDesign
- ·图像检测:包括显示灰度直方图、Canny算子边缘检测; ·图像增强:包括随机噪声、傅立叶变换、中值滤波、高斯滤波; ·色彩变换:包括彩色->灰度、反色处理、亮度调整、直方图均衡化。 -Image Detection : to show gray histogram, Canny edge detection operator; Image enhancement : including random noise, Fourier transform, filter, Gaussi
image_process_codes
- 包含了多种常用的数字图像处理方法的实现代码,图像镜像、平移、旋转、缩放,高斯滤波、拉普拉斯锐化、中值滤波、二值变换、阈值变换、傅立叶变换、离散余弦变换等-contains a variety of commonly used digital image processing methods to achieve code, mirror images, translation, rotation, zoom, Gaussian filtering, Laplacian sharpening, f
FFT2Dsource
- 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.
dspwork
- 一堆数字信号处理的小程序,打个包发上来,上数字信号处理课写的,包括复倒谱、傅立叶变换、各种滤波器等~-heap of digital signal processing procedures for small, one packet onto fat, digital signal processing course was made, including the complex cepstrum, Fourier transform, various filter ~
BCB_DFT_IDFT
- BCB编写的快速傅立叶变换和反离散傅立叶变换,便于用BCB作为开发平台的研究人员学习图像的正交变换!-BCB prepared by the fast Fourier transform and inverse discrete Fourier transform, ease of use as a development platform BCB researchers studying images of orthogonal transformation!
watermarking-yuanma
- 数字水印常用变换如dct变换小波变换离散傅立叶变换等源代码-transform digital watermark used as Extra transform wavelet transform discrete Fourier transform, and other source code
high-resolution-one-dimension
- 高分辨率要求系统具有大的带宽,瞬时带宽的增加必将提高系统对硬件的要求,本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽,使成像具有高分辨率,采用加窗和补零方法提高信噪比,但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率,使距离像细化,并用公式说明了补零只能提高距离取样分辨率,并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感,使目标能量分散到邻近的距离单元造成距离分辨率下降,如果不事先进行速度补偿,直接对回波信号进行逆
20070408DCT
- VS.NET快速傅立叶变换源代码程序。好用用的哟-VS.NET Fast Fourier Transform source code procedures. Handy with the yo!
DTK-FFT11111
- seed傅立叶变换程序,5402 ,请大家共享给与反馈-seed Fourier transform procedure, 5402, please give feedback share
fast_fourier_analyse_and_realize
- 详细分析和讲解傅立叶变换的原理和快速傅立叶变换的分析与实现方法介绍。-detailed analysis and Fourier Transform on the principle and the fast Fourier transform analysis and method introduced.
FFT_2
- 使用C语言详细实现了两种不同的快速傅立叶变换算法,可以清楚地理解算法原理。-use of C language in detail to achieve two different fast Fourier transform algorithm, we can clearly understand algorithm principle.
FreTran
- 用VC编写的一个图像处理的程序:它可以实现图像的变换,包括傅立叶变换、离散余弦变换和沃什变换。-VC prepared by an image processing procedures : it can transform the image, including Fourier transform, Discrete Cosine Transform and Woshi transform.
flychange
- 指纹图象傅立叶变换的源程序,比较详细 喜欢的喷有可以下来-fingerprint image Fourier transform of the source, a more detailed like a spray can look down
fft64_simulation
- 基于蝶形运算的64点快速傅立叶变换,对FFT的理解有很好的帮助-butterfly computation based on the 64 point fast Fourier transform, FFT understanding of good help
matlab01-02
- 这两个小程序均是matlab的.m文件,分别实现数字图像矩阵数据的显示及其傅立叶变换和二维离散余弦变换的图像压缩。-these two small procedures are Matlab. M documents, Digital images were data matrix display and two-dimensional Fourier transform and discrete cosine transform image compression.
AGuideToTheFFT_2ndEd
- 实现快速傅立叶变换的程序,是matlab下的M文件,内部还和含有一个介绍PDF文件-fast Fourier transform procedures, the Matlab M paper Internal also contains an introduction and PDF files
IdealLowPassFilterusingDFT
- 采用离散傅立叶变换实现的低通滤波器,希望对你们有用,MATLAB实现-discrete Fourier transform of the low-pass filter, and I hope to you useful MATLAB