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FFT(DFTrealarray)threedimension
- 多维傅里叶变换，二维DFT快速算法，共分五部--五：三维实序列3D-DFT快速算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 5: Three-dimensional real sequence of 3D-DFT Fast Algorithm
DFT
- dft傅里叶变换,可以观察信号的频谱，进行信号分析。-dft，sorry!I don t how to say about it!
1
- 将一幅256*256的图像分成8*8的小块，对其进行DFT变换。分别比较在空间域和频域内对源图像进行二次抽样和差值最后比较不同-1. Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. 2. Apply DFT to these sub images, and get the fourier transfor
1122zhenyan
- 这个是C制作的源代码。。。 对一幅图像进行DFT变换，分别对源图像在空间域和频域里进行二次抽样和差值，最后得出结果比较。- Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. Apply DFT to these sub images, and get the fourier transformed ima
lisanxinhaofuliyebianhuan
- 离散傅立叶变换(DFT)及其反变换的实现,有限长序列的循环移位、循环卷积-Discrete Fourier Transform (DFT) and its inverse transform of the realization of the cyclic shift sequence of finite length, circular convolution
GeneratingFPGA-AcceleratedDFTLibraries
- 关于DFT的文章，应用FPGA实现傅立叶变换。-Abstract—We present a domain-specific approach to generate high-performance hardware-software partitioned implementations of the discrete Fourier transform (DFT). The partitioning strategy is a heuristic based on the DFT
image_dft
- 不使用MATLAB内置函数作图片的离散傅里叶变换-This program finds the DFT of an image without using the inbuilt function in matlab
Imageencryption
- 这个工程实现了红绿蓝三个分量的提取，采用了新的方法，比传统的方法要清楚些，并且对红色分量做了DFT变换，用模版来对图像进行加密，为图像加密提供了一种新的思路。代码免费下载，功能优。-The project implements the extraction of three components red, green and blue, using a new method to make it clear than the more traditional methods, and compo
dft
- 通过MATLAB工具箱运用离散傅里叶变换对正弦信号和放波信号进行傅里叶分析-Through the use of Discrete Fourier Transform MATLAB toolbox on the sine wave signal and let the Fourier analysis of signals
cpp
- dft idft fft ifft的c++源码实现 离散时间傅里叶变换 极其逆变换实现 快速傅里叶变换极其逆变换实现-dft idft fft ifft the c++ source to achieve extremely inverse discrete-time Fourier transform fast Fourier transform extremely inverse transform
mfcc_feature_extraction
- 本代码实现语音信号的特征提取功能，包含预加重，加窗，DFT变换，设置滤波器组，计算每隔滤波器输出，求取MFCC系数的全过程-The code feature extraction of speech signal features, including pre-emphasis, windowing, DFT transform, set the filter to calculate every filter output, to strike the entire process of MF
DFT
- 六个傅里叶变换的例子，包括DFT，DTFT等-Fourier transform of the six examples, including DFT, DTFT, etc.
dsp__FFT-DFT
- 邹彦《DSP原理与应用》，配套 的汇编语言的源程序。基本的加减法，乘法，FFT变换，FIR滤波器，IIR滤波器，定时器等 -Zou Yan " DSP theory and applications" , supporting the assembly language of the source. Basic addition and subtraction, multiplication, FFT transforms, FIR filters, IIR filters, t
DFT
- 数字信号处理实验程序，实现离散时间傅里叶变换，使用MATLAB程序-Discrete Fourier Transform
dft
- 图像的傅里叶变换。在代码中实现了将两幅图像的幅度谱和相位谱进行交换，进而理解两者在图像显示中的作用-Fourier transform of the image. Implemented in the code will be two images amplitude spectrum and phase spectrum of exchange, and thus to understand both the role of the image display
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
DFT傅立叶变换
- 本代码可以实现图像的傅里叶变换。经过调试无错误，可顺利使用。有利于图像处理的学习。-This code can achieve the image Fourier transform. After debugging error-free, can be successfully used. Conducive to the learning image processing.
C-DFT
- 利用C语言实现傅里叶变换DFT的算法详解-Using C language Detailed Fourier transform DFT algorithm
DFT_S_OFDM
- OFDM多载波调制方式的DFT变换，以及OFDM波形的仿真-OFDM multi-carrier modulation of the DFT transform, and the OFDM waveform simulation
22
- 用小波变换思想,提出一种基于小波去噪的多输入多输出正交频分复用(MIMO-OFDM)系统信道估计方法。该方法首先利用最小二乘(LS)方法进行信道估计,然后对估计后的结果进行小波去噪处理。与传统最小二乘信道估计方法相比,该方法不需要预先知道信道的统计特性,信道估计性能有明显提高。-Based on wavelet transform,a method for MIMO-OFDM channel estimation with noise reduction is given,which is di