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shortwave
matlab提升小波变换与应用初步,包括小波变换的一些改进(the matlab enhance wavelet transform and application of the preliminary)
- 2012-03-23 09:42:23下载
- 积分:1
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wave
用于进行小波变换,对原始的光谱图像数据进行预处理(Used wavelet transform, the original spectral image data preprocessing)
- 2014-01-07 22:55:01下载
- 积分:1
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应用Matlab对语音信号进行频谱分析及滤波完整代码
说明: 用MATLAB编程实现实现滤波,与数字信号处理相关(Implementing filtering)
- 2020-06-24 18:00:02下载
- 积分:1
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image fusion
用MATLAB编写的利用小波变换对多聚焦图像的融合。(The fusion of multi focus images with wavelet transform is written in MATLAB.)
- 2017-12-09 19:51:50下载
- 积分:1
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DWT
基于小波变换的数字盲水印及对嵌入水印后图像的攻击检测(Attack detection based on wavelet transform digital blind watermark and the watermarked image)
- 2012-06-01 21:01:52下载
- 积分:1
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untitled
数字基带传输基带信号,指未经调制的信号。这些信号的特征是其频谱从零频或很低频率开始,占据较宽的频带。
基带信号在传输前,必须经过一些处理或者某些变换(如码型变换、波形和频谱变换)才能送入信道中传输。处理或变换的目的是使信号的特性与信道的传输特性相匹配。
数字基带信号是消息代码的波形表示。表示形式有多种,有单极性、双极性波形,归零和非归零波形,差分波形、多电平波形之分,各自有不同的特点。
研究数字基带信号通过加性高斯白噪声信道的传输,并且假设信道除了叠加高斯噪声外,不会对信号产生其他失真。(matlabSimulation(pulse amplitude modulation) modulation signal in AWGN (additive white Gaussian noise AWGN (Additive White Gaussian Noise)) under the channel bit error rate and bit error rate performance, and compared with the theoretical value.)
- 2018-05-08 18:47:36下载
- 积分:1
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FSSTn-master
一种新的瞬时频率估计方法,用到了同步压缩短时傅里叶变换的高阶形式(This MATLAB package is a collection of scripts allowing to generate figures in the paper [1]. This paper puts forward a generalization of the short-time Fourier-based Synchrosqueezing Transform using a new local estimate of instantaneous frequency. Such a technique enables not only to achieve a highly concentrated time-frequency representation for a wide variety of AM-FM multicomponent signals but also to reconstruct their modes with a high accuracy.)
- 2018-05-09 14:44:37下载
- 积分:1
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synsq_toolbox_v1
同步压缩小波变换(synchrosqueezing wavelet transform)工具箱,用于信号处理时频分析(synchrosqueezing wavelet transform toolbox for time-frequency analysis in signal processing )
- 2012-04-23 15:51:10下载
- 积分:1
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ECG
说明: 心电信号的处理,包括低通滤波器滤除肌电信号,带陷滤波器抑制工频干扰,以及IIR零相移数字滤波器纠正基线漂移。(ECG signal processing includes low-pass filter to filter EMG signal, band notch filter to suppress power frequency interference, and IIR zero phase shift digital filter to correct baseline drift.)
- 2020-09-02 23:01:31下载
- 积分:1
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Wavelets-applications
主要讲述小波变换在信号分析和图像处理中的应用,英文版。(Wavelets applications in signal and image processing)
- 2011-08-01 22:36:39下载
- 积分:1