Search - denoising of signals using wavelet transform

Search - denoising of signals using wavelet transform - List

[matlab] SGWUND DL : 1: 将小波相邻系数相关性的降噪思想引入到冗余第2代小波中，提出了基于邻域相关性的冗余第2代小波降噪方法，该方法克服了传统阈值降噪没有考虑小波系数之间相关性的不足。-Aiming at fault feature extraction in the background of strong noise, a wavelet denoising idea by incorporating neighboring coefficients is introduced into redundant second generation wavelet case. A denoising method of redundant second generation wavelet using neighbor dependency is presented. It overcomes the deficiency of traditional thresholding approaches. In this method, an original signal is decomposed by redundant second generation wavelet, and the detail and approximation signals have the same length as the original signal. The detail signals at each scale are then processed by neighbor dependency. Finally, the approximation signal and processed detail signals are reconstructed by inverse transform of redundant second generation wavelet to realize the signal denoising.
Date : 2025-12-28 Size : 7kb User : 杨飞宇
[matlab] ueccvedb DL : 0: 构成不同频率的调制信号，一种流形学习算法（很好用），时间序列数据分析中的梅林变换工具，给出接收信号眼图及系统仿真误码率，采用了小波去噪的思想。- Constituting the modulated signals of different frequencies, A fluid manifold learning algorithm (good use), Time series data analysis Mellin transform tool, The received signal is given eye and BER simulation systems, Using wavelet denoising thought.
Date : 2025-12-28 Size : 9kb User : vzexc
[matlab] faultysignal_with_noise DL : 0: 1. 构造含噪音的振动信号 faultysignal_with_noise， 2. 利用小波变换 Wavelet transform去噪，小波包 Wavelet packet transform 变换去噪， 3. 把两种去噪后的信号，分别用STFT ,FFT ,小波变换三种方法进行错误诊断(1. the vibration signal faultysignal_with_noise, which contains noise, is constructed. 2. using wavelet transform Wavelet transform denoising, wavelet packet Wavelet packet transform transform de-noising, 3. the two kinds of denoising signals are diagnosed by three methods, STFT, FFT and wavelet transform respectively.)
Date : 2025-12-28 Size : 3kb User : malvina