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matlab-signal
- 用c语言实现下列的数字信号处理算法 1.离散傅里叶级数合成连续周期信号 2.DIF FFT 测试程序 3.将输入数据的幅度画出图形 4.使用FFT实现快速卷积 5.使用FFT实现快速相关 6.取样混迭演示程序 -language used to achieve the following digital signal processing algorithms 1. Discrete Fourier series synthetic signal two conse
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。FFT算法除了必需的数据存储器ram和旋转因子rom外,仍
myfft_DIT_DIF
- 采用DIT和DIF两种蝶形算法实现的FFT变换,其中myfft1是DIT算法,myfft2是DIF算法,已经过测试,可以方便使用。
DIF-FFT
- 计算序列的DFT的快速算法-DFT calculated sequence of the fast algorithm
dit-dif-fft
- 快速傅立叶算法,按时间和按频率抽取的基2算法-Fast Fourier algorithm, time and frequency taken by the base 2 Algorithm
fft.rar
- FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT。按照抽取方式的不同可分为DIT-FFT(按时间抽取)和DIF-FFT(按频率抽取)算法。按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子(2n,n为大于1的整数),基2、基4算法较为常用。,FFT algorithm is the basic principle of DFT successive long sequence is broken down into shorter sequences of DFT. In
FFT
- FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT.按照抽取方式的不同可分为DIT-FFT(按时间抽取)和DIF-FFT(按频率抽取)算法.按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子(2n,n为大于1的整数),基2、基4算法较为常-The FFT algorithm s basic principle is decomposes gradually long sequence DFT into short sequence DFT. different may div
fixedPointFFTAlgorithm(DIT-DIF-SRFFT)
- 不同定点FFT算法的性能比较,适合于OFDM信道估计FFT算法-Different fixed-point FFT algorithm performance comparison for channel estimation in OFDM FFT algorithm
MRELFFT
- 执行分裂基(split-radix)频率抽取(DIF)FFT算法,希望为同仁提供便利。-Implementation of split-based (split-radix) decimation in frequency (DIF) FFT algorithm in the hope that my colleagues facilitated.
FFT
- An Elementary Introduction to the Discrete Fourier Transform 1.1 ComplexNumbers 1.3 Analyzing the Series 1.5 Filtering a Signal 1.6 How Often Does One Sample? 1.7 Notes and References 1.2 Trigonometric Interpolation 1.4 Fourier Frequenc
FFT
- C语言的FFT算法,包含DIT和DIF方法,windows上测试成功-FFT algorithm C language, contains DIT and DIF windows on the test success
8PT-FFTUSING-DIF-FFT
- THIS THE PROGRAMME IN WHICH THE 8 POINT FFT OF THE SEQUENCE IS OBTAINED USING THE DIF FFT TECHNIQUE.-THIS IS THE PROGRAMME IN WHICH THE 8 POINT FFT OF THE SEQUENCE IS OBTAINED USING THE DIF FFT TECHNIQUE.
dif
- fast fourier transform (FFT)-DIF
FFT
- 快速傅里叶变换FFT的C语言实现及应用,DIF-FFT,DIT-FFT-C language implementation and application of DIF-FFT, DIT-FFT Fast Fourier Transform (FFT)
DIF
- 64点快速傅里叶变换,可同时计算逆傅里叶变换,简洁,精炼-FFT DFT IDFT
FFT_256_RADIX4
- This file implements FFT256 with RADIX_4 DIF FFT algorithm by Matlab
fft16
- The following Matlab project contains the source code and Matlab examples used for 16 point radix 2 dif fft . Contain the computation of 16 point DIF FFT in each stages and reordering process.
Radix3_fft
- 主要实现了输入随机点数数据的基3频域抽取FFT算法(In this paper, we mainly implement the FFT algorithm for the base 3 frequency domain of input random points data.)
recursive_fft_matlab
- 基2的fft版本,采用递归计算,根据算法中fft部分写作,采用matlab平台(a recursive version of radix - 2 fft in matlab language)