搜索资源列表
hosa1
- 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、FIR和Lattice结构;IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计,以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等;FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计;平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计;非平稳信号分析包
D_Page
- 计算Choi-Willams分布!显示Choi-Williams分布三维图!功能简单实用!-Choi-Willams distribution calculation! Choi-Williams distribution shows three-dimensional map! Function is simple and practical!
shijianxulie
- 时间序列的时频特性分析研究时间序列的傅里叶变换及逆变换,快速梅林变换及逆变换,短时离散傅里叶变换,得到瞬时频率。 研究时间序列的Born–Jondan时频分布图,Butterworth时频分布图,Choi–Williams时频分布图,得到瞬时频率。 -Time series analysis of time-frequency characteristics of time series of Fourier transform and inverse transform, the fa
Cryptage
- Dans cette nouvelle version avec interface graphique, l utilisateur a la possibilit?de (d?crypter des messages et des fichiers tout en gardant l extension du fichier source (bref, c est lui qui choi
Non_stationary_signal_analysis
- 非平稳信号分析。STFT变换及其MATLAB实现,Garbor展开、Choi-Williams分布、Wigner-Ville分布及其MATLAB实现。-Non-stationary signal analysis. STFT transform its MATLAB implementation, Garbor start, Choi-Williams distribution, Wigner-Ville distribution and its MATLAB implementation.
Wigner_Ville-Distribution-report
- The report contains sourses and pictures. The program contains two sources. The first one computes the Wigner Distribution (second-order). The second one computes the Wigner Distribution with Choi-Williams filtering.
choiwilliams
- 对信号进行Choi-Williams分布分析的matlab函数-The matlab function of Choi-Williams distribution analysis
Choiwilliams
- 计算振动信号的Choi-Williams分布,通过对照轴承故障特性频率可知,轴承的外圈发现了故障,完成了对外圈的故障特征提取。-The Choi-Williams distribution of the vibration signal is calculated. Through the comparison of the bearing fault characteristic frequency, the outer ring of the bearing is found to be f
MATLAB-super-learning-program-code
- matlab时频分析,STFT, CWT,WVD,平滑伪WVD,伪WVD,Rihacazek分布,Margenau-Hill分布,Page分布,伪Page分布,Choi-Williams分布,重排伪Wigner-Ville分布, 重排伪page分布,对时频分析学习的很好资料,对非平稳信号处理有很大帮助,无损检测,振动检测,对学习和处理信号有很大帮助-Matlab time-frequency analysis, STFT, CWT, WVD, smoothed pseudo Wigner Vil
Time Frequency Toolbox
- Matlab source code for all of time frequency distribution: choi-Williams, short time fourier transform, Wigner Ville, Hilbert,.... Clear explain in english. All source code have been tested and WORKED!!!!!
Time-Frequency Toolbox
- Time Frequency Toolbox matlab时频分析工具箱,里面有各种时频分析函数,用matlab实现的,小波变换,Gabor变化,短时傅里叶变换等等(AF Ambiguity function AR Auto-regressive (filter or model) ASK Amplitude shift keyed signal BJD Born-Jordan distribution BPSK Binary phase shift keyed signal BUD