搜索资源列表
signal_procesing2014
- 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滤波器窗函数wn idealfilter 理想滤波器(低通,高通,带通)hdn
DFT
- 在MATLAB中xn=cos(pi×n/6)的离散傅立叶变化的实现-In MATLAB xn = cos (pi × n/6) changes in the realization of discrete Fourier
005
- 用DFT（FFT）对信号进行频谱分析，离散傅里叶变换（DFT）对有限长时域离散信号的频谱进行等间隔采样，频域函数被离 散化了，便于信号的计算机处理。 -Using DFT (FFT) spectral analysis of the signal
DFT
- 基于Intel IPP的计算离散傅里叶变换的源码-Intel IPP-based computing discrete Fourier transform of the source
exercise
- 基于matlab软件的平时作业练习，具体包含DFT、FFT和圆周移位的具体程序以及实验结果。同时也有利用软件自身进行时间的确定方法。-Matlab software usually exercise based on specific procedures, including DFT, FFT and circular shift and experimental results. There are also methods to determine the software itself
yuzhiDFT
- 采用阈值法对解调出的信号进行DFT评估，可以最大程度的恢复出原信号，提高了系统的准确性。-Using the threshold method demodulated signal DFT assessment can recover the maximum degree of the original signal to improve the accuracy of the system.
Canny
- 数字图像处理基本算法C++源代码，包括FFT、DFT、边缘检测算法、滤波算法-The basic algorithm of digital image processing C++ source code, including FFT, DFT, edge detection algorithms, filtering algorithms, etc.
dft
- 给图像添加高斯噪声，并使用高斯滤波器，ILPF，巴特沃兹滤波器分别处理后得到结果图 需要在目录下有一张匹配文件名的图片，必须是灰度图-Add gaussian noise to the image, and use the gaussian filter, ILPF, bart ward filter respectively after processing results Need to have a picture of a match the filename, directory mu
channel_estimation
- 通信系统中信道估计功能的仿真，有助于通过仿真理解信道估计的作用，包括星座图和对比了基于线性好DFT机制的最小均方误差的性能-Simulation of channel estimation functions in communication systems 。
cognitive-spectrum-sensing
- 《cognitive spectrum sensing and detection using polyphase DFT filter banks》关于多相滤波一个很有用的一篇文章，大家可以参考一下。-"Cognitive spectrum sensing and detection using polyphase DFT filter banks" an article about a very useful polyphase filter, we can refer to.
DSP_1
- 1) Goertzel algorithm 2) Chirp transform algorithm 3) Verification of signal flow graphs for DIT and DIF FFT algorithm 4) Elapsed CPU time for DFT and FFT computation 5) Alternative IDFT computations
New-WinRAR-ZIP-archive
- Matlab code for DFT and IDFT
OFDM-LSDFT
- OFDM中LS和DFT信道估计算法matlab程序实现及比较-OFDM, DFT LS and channel estimation algorithm matlab program to achieve and compare
Analysis-of-Low-Complexity
- OFDM系统中基于加窗的DFT算法的低复杂度的MMSE信道估计-OFDM systems MMSE channel low-complexity algorithm based on windowed DFT estimates
AN-ITERATIVE
- OFDM虚拟子载波一种基于DFT的迭代的信道估计算法-AN ITERATIVE DFT-BASED CHANNEL ESTIMATION ALGORITHM FOR OFDM SYSTEMS WITH VIRTUAL CARRIERS
toc
- A fast Fourier transform (FFT) is an algorithm to compute the discrete Fourier transform (DFT) and its inverse. Fourier analysis converts time (or space) to frequency and vice versa an FFT rapidly computes such transformations by factorizing the DFT
dft
- Computes solution of difference equations
unit_opt
- The architecture of this set of codes and the interaction among them is shown in Figure 1. The main testing code main code.m calls the code riemann grad unit opt.m that performs Riemannian optimization under unitary matrix constraint. Steepest De
Fourier-analysis_DC-Even-Waveform
- 基于DFT算法对采样波形开展傅里叶分析，得到各次谐波的含量及角度。算法采用VBA编程，波形数据和分析结果直接显示在excel表格中，操作简便、直观。例程以直流偶次波形为参考波形开展傅里叶分析，可在源波形列输入其他任意波形进行分析。-To carry out sampling waveform Fourier analysis based on DFT algorithm, to obtain the content and angle of each harmonic. Algorithm
prodrgpe90
- 聚合物的电荷分布，可以清楚地看出聚合物的电荷分布-DFT distribution