搜索资源列表
two_dimensional_PSD
- 二维功率谱密度计算程序 使用傅里叶变换 -2D PSD caculation estimator
DigitalSignalofMatlab
- 数字信号处理，包括：各种现有信号及随机信号的输入，从文件读取数据的输入，各种滤波器的实现，傅里叶变换等，傅里叶反变换等，谱分析，利用图形界面形式编写，简单且可视化强，便于理解。-Digital Signal Matlab
GenerationOfTheLog-normalDistributionClutter
- 本程序已被本人整理到WORD文档中，编程语言为MATLAB，本文设计的滤波器采用傅里叶级数展开法。模拟的杂波的功率谱密度采用BVURG法，概率密度函数的估计采用直方图估计法，设计参数皆在文档中表明。此程序已经验证是正确可执行的，并能生成图形，值得下载！-This program has been organized into WORD document I, the programming language MATLAB, the filter designed in this paper Fo
daopufenxi
- 倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点-Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isolated and extracted spectral en
diyiwen
- 已知DNA序列的碱基顺序，利用快速傅里叶变换得到功率谱-The nucleotide sequence of the DNA sequence is known, the use of fast Fourier transform to obtain the power spectrum
analyse1
- MATLAB实现DNA序列的傅里叶谱计算-MATLAB implementation of the Fourier spectrum of the DNA sequence calculation
CrossPSD
- 验证平稳随机信号的互功率谱等于各自相关函数傅里叶变换的乘积。-To SSS signal, I will prove the cross PSW is equal to the multiply of two FT of the autocorrelation.
04
- 对原图分别在频域内使用理想低通滤波器（选择任意截止频率）和理想高通滤波器（选择任意截止频率）和理想高通滤波器，再对其使用快速傅里叶变换，并输出修复后的图像的频率谱图。最后将高通滤波与低通滤波后的相加，输出，并与原图进行比较。-Respectively of the original image in the frequency domain using the ideal low-pass filter (choose an arbitrary cut-off frequency) and th
HHT-marginal-spectrum
- 和HHT变换有关的快速傅里叶变换频谱，边际谱等的实现程序，已经无数次仿真实验验证其非常正确，对于初学HHT的很有用-And the HHT transform the fast Fourier transform spectrum, marginal spectrum to achieve program has numerous simulation experiment verify its very useful for the beginner HHT.
f1
- 计算地震波的傅里叶谱，内部含有详细解释，便于读者对参数的修改-Fourier spectrum to calculate seismic waves, internal contain a detailed explanation easy readers modified parameters
appl3_4_1
- 采用pwelch法以及直接傅里叶变换技术直接求解功率谱密度函数-caculate the spectrum density
STFT Spectrogram Demo
- STFT谱图演示，方便新手学习的简单例子。(STFT spectrum demo, easy for beginners to learn a simple example.)
baoluopu
- 包络谱图：对傅里叶变换作包络谱分析，经验证，可用(Envelope spectrum: the envelope spectrum analysis of Fu Liye transform, which can be used after verification)
画包络谱和幅值谱的matlab程序
- 基于傅里叶变换，实现了包络谱和幅值谱分析。(Based on Fourier transform, envelope spectrum and amplitude spectrum analysis are realized.)
小波分析仿真程序
- 小波分析课程部分仿真程序，涉及加窗傅里叶变换、信号分解重构等，每步都有有详细注释(A part of the simulation program for the course of wavelet analysis.Relates to the windowed Fourier transform, signal decomposition and reconstruction, every step has a detailed notes .)
全矢谱计算
- 郑州大学的韩捷教授提出了基于同源信息融合技术的全矢谱（Full VectorSpectrum）分析方法。全矢谱的图谱和传统的傅里叶变换频谱图表达形式一样，都是将各谐波频率作为横坐标，各谐波频率下的振动强度作为纵坐标。正因为如此，全矢谱分析方法和传统分析方法相兼容，并且还有一套快速稳健具有容错性的全矢数值计算方法。 此程序为全矢谱计算代码(Prof. Han Jie of Zhengzhou University proposed a Full VectorSpectrum analysis m
meshage
- 模拟了正弦光栅及其傅里叶空间频谱，可以调节其空间频率，看到其傅里叶谱的变化过程(Simulating a sinusoidal grating and its spatial spectrum using matlab)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
超连续谱，SC,GNSLE
- 依据《SUPERCONTINUUM GENERATION IN OPTICAL FIBERS》而来，SPM,XPM,FWM,拉曼效应，利用分步傅里叶法和龙格库塔方法来求解广义非线性薛定谔方程
2905伪谱法地震波正演模拟
- 地震波伪谱法正演，时间导数采用有限差分，空间导数采用快速傅里叶变换法计算。(seismic wave forward modeling by pseudospectral method)