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FFTDFTshixianjiceshi
- 用matlab进行FFT及DFT算法的实现，并测试其运行速度。
FIR
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir
fftshixian
- 快速傅立叶变换（FFT）算法实现 将DFT算法与FFT算法计算时间进行比较，分析二者的效率和精确差异。-Fast Fourier Transform (FFT) algorithm to DFT algorithm and FFT algorithm for computing time to carry out comparative analysis between the two differences in the efficiency and precision.
efficient_registration
- 利用傅里叶变换，在频域上对两幅图像配准，是一种比较配准的新方法，但是对弹性配准的效果不是很好 需要进一步的研究。-Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. Instead of computing a zero-padded FFT (fast Fourier transform), this code uses selective upsamp
lms_matlab
- 本源码用MATLAB语言实现了自适应LMS算法，并附有FFT分析-LMS FFT
fftplot
- FFT，即为快速傅氏变换，是离散傅氏变换的快速算法，它是根据离散傅氏变换的奇、偶、虚、实等特性，对离散傅立叶变换的算法进行改进获得的。它对傅氏变换的理论并没有新的发现，但是对于在计算机系统或者说数字系统中应用离散傅立叶变换，可以说是进了一大步。 设x(n)为N项的复数序列，由DFT变换，任一X（m）的计算都需要N次复数乘法和N-1次复数加法，而一次复数乘法等于四次实数乘法和两次实数加法， -FFT, fast Fourier transform which is a discrete fast
OFDM-Simulation
- 包含OFDM系统仿真，星状导频仿真，瑞利信道估计以及FFT与DFT算法复杂度比较。集合了12个项目，呵呵。-Contains the OFDM system simulation, the astroid pilot frequency simulation, the Rayleigh channel estimates as well as FFT and the DFT algorithm order of complexity compares. Has gathered 12 proje
paper04
- Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p
paper03
- Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p
matlab
- matlab 用DFT实现长序列卷积并用FFT进行信号谱分析-matlab convolution with the DFT and used to achieve a long sequence of FFT for signal spectral analysis
chengxu
- 离散信号,用DFT（通过FFT计算）方法分析其频谱，采用矩形窗，对不同的采样点数进行分析-Discrete signal, using DFT (via FFT calculation) method, analyze its spectrum, using rectangular windows of different sampling points for analysis
myfft
- 自己编写的基为2的fft程序，输入为时间序列，输出为DFT序列-matlab code that can perform FFT based on radix-2 algorithm
matlab
- 基于数字信号处理的各种matlab源程序代码，包括FFT、DFT还有采样及系统响应函数等等。-All based on digital signal processing matlab source code, including FFT, DFT also sampling and system response function and so on.
2
- 实验2 离散信号的DFT的相关matlab 算法以及产生方法 有效的实现FFT功能-Experiment 2 discrete signals related to matlab DFT algorithm and the method of effective realization of FFT function
DFT
- 是用matlab写的一个小巧的DFT程序，不同于FFT程序，希望对大家有所帮助,而且有对信号处理的实例，雷克子波-This is a cabinet with matlab write the DFT program, unlike FFT program, hope to help
DFTfftiir
- DFT变换matlab代码，fft变换matlab代码,iir变换matlab代码,经过运行检验正确-DFT fft iir matlab
Signal_Processing_Matlab
- 上硕士时用过的信号处理的Matlab代码，主要包括DFT、FFT变换滤波器设计、Matlab下的数字信号处理示例等内容，比较适合余初学者，谢谢。-When used on the master signal processing Matlab code, including DFT, FFT transform filter design, Matlab example under the digital signal processing, etc., more than suitable f
dft-and-fft-time
- Matlab code for identify FFT and DFT differences of working times. -Matlab code for identify FFT and DFT differences of working times.
Square-wave
- matlab 实现傅里叶变换 fs FT DFS DFT FFT 以及余弦函数的抽样 离散傅里叶变换 频谱 函数叠加后的傅里叶变换 频谱 -matlab to achieve the Fourier transform fs FT DFS DFT FFT and cosine functions sampling discrete Fourier transform the spectrum of the Fourier transform of the spectrum function su
FFT
- 是信号与系统课程的课程设计，旨在熟悉FFT 的计算过程，结合DFT 物理意义和实验结果加深 对傅立叶变换的理解。文章首先用MATLAB 对一个简单信号进行FFT 仿真，得出频谱图；其次完成了FFT 的C 语言实现，结合MATLAB 作图及数据处理功能得出了C 实现下的FFT 结果；最后，讨论分析实验结果。-Curriculum design, signals and systems courses designed to familiar FFT calculation process, t