搜索资源列表
ddfftt1
- 这是一个经典的把matlab应用于DFT的例子,适合于初学者-This is a classic application of Matlab put DFT example, suitable for beginners
radix-2FFT
- 基2FFT,是DFT(离散傅立叶变换)的快速算法-radix 2 FFT, DFT (Discrete Fourier Transform) Fast Algorithm
matlabFFT11
- 使用MATLAB函数中的FFT命令计算离散时间信号的频谱，以加深对离散信号的DFT的理解及其FFT算法的运用。-using MATLAB function FFT calculation order discrete-time signal spectrum, to increase the discrete signals in the DFT and FFT algorithm understanding of the applic
dft_beamforming
- dft波束形成程序，空间波束形成，在雷达、声纳行业中有广泛应用-P <0.05 beam forming processes, space beam forming, in radar, sonar sectors which have wider application
wineryulmslvbo
- 构造一组被噪声污染的方波或三角波数据，试选取适当的FIR滤波器结构和参数，分别应用LMS,DFT/LMS和DCT/LMS算法来实现自适应滤波器，对改组数据进行滤波，并分析仿真结果。-Construction Group was one of the Noise Pollution square or triangular wave data, Examination choose appropriate FIR filter stru
ImageTest
- ImageTest Visual C下实现图像增强、正交变换（DFT/FFT）、边缘检测-ImageTest under Visual C image enhancement, Orthogonal Transform (DFT/FFT), edge detection
MCMPFFT
- 利用经典的Cooley-Tukey基2算法求复序列 的DFT
zengqiang
- 用途：数字图象处理算法的演示，包括： • 图象的DFT和逆DFT • 图象的FFT和逆FFT • 在图象中加入正弦噪声 • 图象的模板运算实现图象平滑和锐化 • 图象的直方图均衡化 • 图象的对比度拉伸 • 图象的中值滤波 • 图象灰度直方图的显示 • 若干频域滤波器
DSP初学者编程参考
- 包含AM调制，DFT，256FFT，FIR和IIR，另外包含所需的子文件Surport，程序都比较精炼，特别适合DSP初学者上手-AM modulation includes, DFT, 256FFT, FIR and IIR, the other contains a subset of the required documents Surport, procedures are more refined, especially su
tuxiang
- 主要是对图像实现DFT,DCT变换，利用二维小波分析对图像作二层小波分解，显示条状图，十字图及频谱等-Realize the image is mainly DFT, DCT transform, the use of two-dimensional wavelet analysis of images for the second floor of wavelet decomposition, indicating strip map
DSPC
- 用C编程实现的一些DSP源程序，包括FFT，DFT等。-Programming with C source code of a number of DSP, including FFT, DFT, etc..
ImageFFT
- 自己写的图象的二维DFT,含有测试代码,并且可以将象素值输出-Write their own two-dimensional image of DFT, containing the test code, and can output pixel value
FFTchangefilter
- DFT数字信号采集滤波器实例演示程序，很实用的一个小程序。-DFT filter digital signal acquisition example demo program, it is a small utility program.
arnoldDFTwatermark
- 用matlab编写的对水印加入Arnold变换和对图像载体进行DFT变换的水印程序，很有用哦-Used for watermarking matlab prepared to join Arnold transformation and the image carrier to carry out DFT transform watermarking procedure Oh very useful
DigitalSignalProcessing1
- 数字信号处理实践方法，从一到三囊括了数字信号处理的模数变换、DFT变换、Z变换、滤波器设计等-Digital signal processing practices, from 1-3 to include digital signal processing of analog-to-digital transformation, DFT transform, Z transform, filter design, etc.
FFTDFTshixianjiceshi
- 用matlab进行FFT及DFT算法的实现，并测试其运行速度。-Using matlab for FFT and DFT algorithm and test its speed.
DFT_jeakyung
- 一个基于DFT的水印算法源码；其中有嵌入，提取，测试图片；还有攻击程序，可以用来测试-DFT-based Watermarking Algorithm source including embedding, extraction, testing picture there are attacks on the procedures that can be used to test
DFT4_double_point
- 基于DFT的瞬时测频算法，及插值算法，最后由图形表示测频结果。-Based on the Instantaneous Frequency Measurement DFT algorithm, and the interpolation algorithm, and finally by the graphical representation of frequency measurement results.
signal
- 定义了signal的类和它的方法，主要有FFT DFT和卷积运算，并能处理简单的复数。-The definition of the signal class and its methods, the main FFT DFT and convolution operation, and can handle a simple plural.
200628111717
- DFT(Discrete Fourier Transformation)是数字信号分析与处理如图形、语音及图像等领域的重要变换工具，直接计算DFT的计算量与变换区间长度N的平方成正比。当N较大时，因计算量太大，直接用DFT算法进行谱分析和信号的实时处理是不切实际的。快速傅立叶变换(Fast Fourier Transformation，简称FFT)使DFT运算效率提高1～2个数量级。其原因是当N较大时，对DFT进行了基4和基2分解运算