搜索资源列表
hilbert_pu
- 对仿真的非平稳信号进行Hilbert-Huang变换，分析信号的时频特征。-The simulation of non-stationary signals, Hilbert-Huang transform analysis of time-frequency characteristics.
WignerVille
- Winger-Ville分布计算程序,是对信号的瞬时相关函数的傅里叶变换，它的结果能够反映信号的时频特征-Winger-Ville distribution calculation procedure is the correlation function of the instantaneous signal Fourier transform, it can reflect the results of the frequency characteristics of the signal
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
SNR_MSE_analysis
- 小波变换（wavelet transform，WT）是一种新的变换分析方法，它继承和发展了短时傅立叶变换局部化的思想，同时又克服了窗口大小不随频率变化等缺点，能够提供一个随频率改变的“时间-频率”窗口，是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征，能对时间（空间）频率的局部化分析，通过伸缩平移运算对信号（函数)逐步进行多尺度细化，最终达到高频处时间细分，低频处频率细分，能自动适应时频信号分析的要求，从而可聚焦到信号的任意细节，解决了Fourier变换的
timefrequence
- 高压断路器振动信号时频特征分析，STFT变换以及功率谱，matlab代码-High voltage circuit breakers，STFT
TimeFrequency
- 时频分析在MATLAB环境下的源代码。用来分析振动信号，提取特征，故障诊断-Time-frequency analysis in MATLAB source code. It used to analyze the vibration signal, feature extraction, and troubleshooting
snoc017
- ti公司电弧检测板原理图及使用说明，主要利用时频域特征检测电弧-TI company arc detection board schematic and instructions for use
hieman_v76
- 在MATLAB中求图像纹理特征，处理信号的时频分析，用于信号特征提取、信号消噪。- In the MATLAB image texture feature, When processing a signal frequency analysis, For feature extraction, signal de-noising.
sangjeng_V8.6
- 包含特征值与特征向量的提取、训练样本以及最后的识别，处理信号的时频分析，数学方法是部分子空间法。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, When processing a signal frequency analysis, Mathematics is part of the subspace.
peikeng_v50
- 使用高阶累积量对MPSK信号进行调制识别，用于时频分析算法，用于特征降维，特征融合，相关分析等。- Using high-order cumulants of MPSK signal modulation recognition, For time-frequency analysis algorithm, For feature reduction, feature fusion, correlation analysis.
kiemie
- 主同步信号PSS在时域上的相关仿真，结合PCA的尺度不变特征变换(SIFT)算法，用于时频分析算法。- PSS primary synchronization signal in the time domain simulation related, Combined with PCA scale invariant feature transform (SIFT) algorithm, For time-frequency analysis algorithm.
fenqao
- 到达过程是的泊松过程，包含特征值与特征向量的提取、训练样本以及最后的识别，处理信号的时频分析。- Arrival process is a Poisson process, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, When processing a signal frequency analysis.
quilan
- 抑制载波型差分相位调制，是学习PCA特征提取的很好的学习资料，处理信号的时频分析。- Suppressed carrier type differential phase modulation, Is a good learning materials to learn PCA feature extraction, When processing a signal frequency analysis.
3.6改进型数字图像中直线特征的快速检测方法
- 为提高数字图像中的直线的检测速度,从时频域变换和空间域变换两个角度出发,提出了一种改进型数字图像中直线快速检测方法。(In order to improve the detection speed of straight lines in digital images, an improved method for fast line detection in digital images is proposed from two angles of time frequency domain
VMD_SET
- 时频聚焦 能够提取与原信号最为相关的时频特征信息，剔除能量发散的不相关信息(time frequency energy focusing)
time_frequency_analysis
- 基于实测信号，进行时频分析，同时了解时域频域特征(Based on the measured signal, time-frequency analysis is carried out, and time domain and frequency domain characteristics are also understood.)
时频分析
- 利用matlab仿真软件，完成对语音信号处理的时域分析和频域分析，分析语音信号的基本特征参数。(Matlab simulation software was used to complete the time domain analysis and frequency domain analysis of speech signal processing and analyze the basic characteristic parameters of speech signal.)
振动信号时域频域特征（带测试数据）
- 针对信号的时域特征和频域特征提取，带测试数据，能够运行(According to the time-domain and frequency-domain feature extraction of signals, the system can run with test data.)
时域频域29个特征提取
- 时域频域29个特征提取，含有完整的MATLAB程序代码(29 feature extraction in time domain and frequency domain, including complete matlab program code)
时域特征和频域特征
- MATLAB的轴承故障时域特征和频域特征提取(Bearing fault time domain feature and frequency domain feature extraction)