搜索资源列表
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
demodulation-of-MFSK-signals
- 提出了一种多迸制频移键控(M娲K)信号调制分类及解调方法,选取截获接收机输出的MFSK信 号的时频脊线作为分类特征,利用无监督聚类算法求取最佳聚类数M.利用时频脊线的Ham:小波变换 估计码元宽度,并且利用对应最佳聚类数的聚类中心确定抽判门限,通过对时频脊线抽样判决,实现了 MFSK信号的解调.理论分析和对实际信号的处理结果证明了此算法的可行性.-new algorithm is proposed for elassillcation and demodulation of MFSK
segtool.tar
- 用于时频分析,其中包括短时傅里叶变换、小波变换、脊线提取以及一些信号的生成等。-For time-frequency analysis, including short-time Fourier transform, wavelet transform, ridge extraction and generate some signals and so on.
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
continuous-wavelet-transform
- 基于连续小波变化的心音信号时频分析,目的是将连续小波变换应用于心音信号的分析中。-Heart sound signal based on continuous wavelet transform frequency analysis, the purpose of the continuous wavelet transform applied to the analysis of heart sound signals.
timeanlysise
- 基于小波变换以及快速傅立叶变换的时频分析程序,很实用-cwt fft
wave
- 小波变换实例,用于故障特征提取,时域频域分析等-Examples of wavelet transform for fault feature extraction, time domain frequency domain analysis
digital-signal-processing
- 实现一个数字信号处理的仿真系统 。要求具有界面并实现以下功能: 1)能产生(得到)并选择各种数字信号(sin、方波、三角波、语音、噪声及其叠加); 2)具有DFT、DCT和小波变换和经典功率谱估计功能; 3)具有设计IIR和FIR低通、高通、带通滤波器功能; 4)能显示时域和频域波形,演示输入信号经过系统得到输出信号过程及频域特性和时间序列。 -Implement a simulation system of digital signal processing. It
gaifeng_V6.1
- 本程序的性能已经达到较高水平,基于小波变换的数字水印算法matlab代码,处理信号的时频分析。- The performance of the program has reached a high level, Based on wavelet transform digital watermarking algorithm matlab code, When processing a signal frequency analysis.
tftb
- 时频变换工具箱,其中包括小波变换,短时傅立叶变换,WVD变换等时频分析的重要工具-An important tool when frequency transform toolbox, including wavelet transform, short time Fourier transform, WVD transform frequency analysis
haohiu
- 模拟数据分析处理的过程,详细画出了时域和频域的相关图,Gabor小波变换与PCA的人脸识别代码。- Analog data analysis processing, Correlation diagram shown in detail the time domain and frequency domain, Gabor wavelet transform and PCA face recognition code.
miusiu
- 基于小波变换的数字水印算法matlab代码,处理信号的时频分析,通过matlab代码。- Based on wavelet transform digital watermarking algorithm matlab code, When processing a signal frequency analysis, By matlab code.
tftb-0.2
- 时频分析工具,短时傅里叶,小波变换,经验模态分析方法等-Time-frequency analysis tool
wavelet_test_animation
- 对于振动传感器采集的数据,利用小波变换,得到数据时频的动画。-For vibration data collected by sensors using wavelet transform to obtain frequency data animation.
gunjeng_v86
- 处理信号的时频分析,基于小波变换的数字水印算法matlab代码,matlab编写的元胞自动机。- When processing a signal frequency analysis, Based on wavelet transform digital watermarking algorithm matlab code, matlab prepared cellular automata.
nenyai
- 意信号卷积的运算,并且绘制图象,分析了该信号的时域、频域、倒谱,循环谱等,Gabor小波变换与PCA的人脸识别代码。- Convolution operation is intended to signal and image rendering, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Gabor wavelet transform and PCA face re
giejou
- 基于小波变换的数字水印算法matlab代码,分析了该信号的时域、频域、倒谱,循环谱等,脉冲响应的相关分析算法并检验。- Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Related impulse response analysis
niupou_v70
- 分析了该信号的时域、频域、倒谱,循环谱等,Gabor小波变换与PCA的人脸识别代码,包括面积、周长、矩形度、伸长度。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Gabor wavelet transform and PCA face recognition code, Including the area, perimeter, rectangular, elong
HopAnlyWVT
- 利用小波变换对跳频信号进行参数估计,包括跳时,跳速,频点-wavelet analysis of frequency hopping signal
fuiyei_v67
- 分析了该信号的时域、频域、倒谱,循环谱等,Gabor小波变换与PCA的人脸识别代码,包含飞行器飞行中的姿态控制,如侧滑角,倾斜角,滚转角,俯仰角。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Gabor wavelet transform and PCA face recognition code, It comprises aircraft flight attit