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chidutu
- 采用带宽为3,中心频率为3的复morlet小波对示例信号进行了分析,并绘出时频图。-Using bandwidth of 3, center frequency is 3 complex morlet wavelet to sample signal is analyzed, and draw the time-frequency diagrams.
VDAS
- 本程序主要包括振动信号采集,时域分析和频域分析等功能。-This program includes a vibration signal acquisition, time domain analysis and frequency domain analysis.
SpeechsignalAnalys
- MATLAB中的语音信号分帧, 语音分析中的窗函数, 语音信号短时时域处理, 语音信号短时频域处理-MATLAB voice signal framing, Voice analysis window function, Short time-domain speech signal processing, Short speech signal in the frequency domain processing
xiaobobao
- 小波包变换可以对高频部分提供更精细的分解,而且这种分解既无冗余,也无疏漏,所以对包含大量中、高频信息的信号能够进行更好的时频局部化分析。-Wavelet packet transform can provide the high frequency part of the finer decomposition, and this decomposition is neither redundant nor oversight, so the signal contains a large am
gabor
- 二维Gabor小波变换是在时频域进行信号分析处理的重要工具,其变换系数有着良好的视觉特性和生物学背景,因此被广泛应用于图像处理、模式识别等领域-An important tool for two-dimensional Gabor wavelet transform is a time-frequency domain signal analysis and processing, the conversion coefficient has a good visual properties a
time_domain_features
- MATLAB进行信号的时频特征分析,主要用于对语音信号的分析。-time-frequency characteristics of signal analysis by MATLAB
using_wigner
- 时频信号分析技术,双线性方法,Wigner-Ville分布的应用,可以得到高斯包络线性调频信号的WVD图-Time-frequency signal analysis, bilinear method, Wigner-Ville distribution application, you can get WVD FIG Gaussian envelope chirp signal
tftb2002
- 时频信号分析,短时傅里叶变换,matlab实现工具包-time-frequency signal analysis—short time fourier transform—tool kit(in matlab)
Code-for-FrFT
- 时频信号分析,分数阶傅里叶变换,matlab实现工具包-time-frequency signal analysis—fractional fourier transform—tool kits(in matlab)
FFT
- 信号频域分析和时域分析以及傅里叶变换和在matlab的表示-The time domain analysis and frequency domain analysis
xiaobozhenduan
- 小波分析由于具有同时分析信号时域和频域的特性,所以使用小波分析技术对检测的信号进行变换,然后对具有故障特性的信号进行重构,最后通过希尔伯特变换进行解调和细化频谱分析,从而轴承中的故障信息成分就可以检测出来,以判断轴承发成故障的部位。-Wavelet analysis has the characteristics of both time and frequency domain, so the wavelet analysis technique is used to transform th
ST
- 广义S变换,具有良好的分析特性和局部的时频的特性,而谱白化和反褶积也是高分辨处理中的一种有效的频率补偿手段,本文利用他们的他们的各自优点,使二者结合起来,该方法对地震信号用广义S变换分解,进行频率补偿再进行重构,得到高分辨率时间信号。 理论模型试算和实际地震处理结果证明了该方法的正确性和有效性。 关键词:广义S变换,谱白化,高分辨处理-Generalized S transformation (GST) has good analyzing feature and good
f5_18
- 对四分量的信号进行时频处理,得到小波尺度图、平滑伪wigner图、WVD图。有利于对信号进行很好的分析。-Four components of the signal time- frequency to give Scalogram, smoothed pseudo wigner diagram, WVD FIG. Conducive to good analysis of the signal.
LMD
- 是由Smith提出的一种新的非线性和非平稳信号分析方法。由于LMD是依据信号本身的信息进行自适应分解的,产生的PF分量具有真实的物理意义,由此得到的时频分布能够清晰准确地反映出信号能量在空间各尺度上的分布规律。-Is the Smith put forward a new kind of nonlinear and non-stationary signal analysis methods. Because the LMD is the information of the signal it
gx_dc_lab1
- 数字通信中对时域信号和频域信号的分析,高通,低通,不同参数-This program analyses the characters of timing signal and frequency signal in digital communication system.
aatftoolbox
- 2002版的时频工具箱,在非平稳信号分析与处理”需要用到该工具箱的部分函数。-When the 2002 edition of the frequency toolbox, in the non-stationary signal analysis and processing, the need to use part of the function of the toolbox.
SPPP3.0
- 包含了信号处理的各种算法程序,如传统的傅里叶变换等时域和时频域分析。-Contains a variety of signal processing algorithms
Matlab-heart-sound-
- 本文综述了心音检测技术以及现代数字信号处理方法(谱估计、联合时一频分析、小波分析、模式识别)在心音信号分析中的应用及研究进展。-Heart sound detection technology are reviewed, and the modern digital signal processing method (spectrum estimation, joint frequency analysis, wavelet analysis and pattern recognition) i
my_audio_project_v3.0
- 实现声音信号的时域分析、频域分析和频程采集,以及滤波,变换处理。-Achieve a sound signal in the time domain analysis, frequency domain analysis and frequency acquisition process, as well as filtering, conversion processing.
czzuhnwt
- 阐述了负荷预测的应用研究,有小波分析的盲信号处理,分析了该信号的时域、频域、倒谱,循环谱等,毕业设计有用,采用波束成形技术的BER计算,可以动态调节运行环境的参数。- It describes the application of load forecasting, There Wavelet Analysis Blind Signal Processing, Analysis of the signal time domain, frequency domain, cepstrum, cycl