搜索资源列表
waveletanalysis
- 利用全局去噪和分层去噪实现信号的小波去噪，实现成功-Implementation of wavelet denoising, global denoising and level-dependent denoising
xiaoboquzao
- 小波去噪程序 在噪声环境下语音信号的增强 语音信号为读入的声音文件 噪声为正态随机噪声 -Wavelet denoising process voice signals in a noisy environment, the enhanced speech signal into a sound file for read noise is normal random noise
xiaoboquzaofenxi
- 小波去噪分析，一维信号小波分解，消噪处理，重构-Analysis of wavelet denoising
xiaoboyuwelch
- 对心音信号进行WELCH法功率谱估计以及小波去噪的matlab程序-wavelet welch matlab
remove-noise-by-wavelet-transform
- 小波去噪,通过对含噪信号进行四层小波分解，此处利用db3小波系列，通过仿真发现可以很好的消除信号中的噪声-Wavelet denoising, the signal through four layers of noisy wavelet decomposition, where the use db3 wavelet series, the simulation found in the well to eliminate the noise signal
dhx
- 小波阈值去噪，得到信噪比更高的信号，进行后续处理更清晰。-Wavelet threshold denoising to get higher signal noise ratio, the subsequent processing more clear。
Matlab
- 用于一维信号的小波包去噪，选取特定的阈值，采用最优小波基-For one-dimensional signal denoising using wavelet packet , select a specific threshold, the optimal wavelet
xiaoboquzao
- 采用小波去噪的方法对语音信号进行分解和重构，进而提取有效成分，实现信号的去噪-Wavelet denoising method of voice signal decomposition and reconstruction, and then extract the active ingredients, for signal denoising
signal_analsys
- 建立一个简单的语音信号加噪去噪系统。先录入语音，进行频谱分析，再分别对加噪语音信号和去噪之后的信号进行频谱分析。(A simple speech signal denoising system is proposed. First input the speech, carry on the frequency spectrum analysis, and then carry on the frequency spectrum analysis to the noisy speech sign
基于小波变换的信号奇异性检测及去噪例程
- 这个程序是基于小波变换的信号奇异性检测及去噪 的一些例程(using wavelet method and SVD to process the signal and denoise)
信号处理例子
- 一些信号处理的例子，例如通过设计不同 滤波器对语音信号进行去噪处理(Some examples of signal processing, for example, through the design of different filters for speech signal denoising)
MyWaveletDenoise
- 对输入信号进行有效的去噪，使用小波分解后对噪声信号去除，并重构得到去噪信号(The input signal is effectively denoised, and the noise signal is removed by wavelet decomposition, and the denoised signal is reconstructed)
语音信号处理
- 对一段语音信号进行读入，并加入高斯白噪声，输出原始信号和噪声信号的频谱，进行分析比较，最后去掉噪声，再对频谱进行分析。(Read a section of the voice signal, and add the Gaussian white noise, the output of the original signal and noise signal spectrum, the analysis and comparison, and finally remove the noise,
信号处理
- 部分信号处理Matlab程序，如有更多需要请留言(Part of the signal processing Matlab program, if there is more need to leave a message)
99889478yuyinwavelet
- 对采集的语音信号进行去噪处理，利用小波分析的方法解决这一个问题。(Noise reduction of the collected speech signal)
wav
- 可以实现对自己录制的wav格式声音进行频谱分析时域分析并且加入随机噪音，可播放声音进行对比，自动绘制波形频谱图。最后进行去噪滤波。适合大学生数字信号处理课程实验(It can realize the spectral analysis of the wav format, record the time domain analysis and add random noise. It can play the voice contrast, and automatically draw the
Weak signal detection
- 针对强噪声背景中弱信号检测问题，在传统检测方法基础上，提出了基于联合去噪和频率调制的微弱信号检测方法。搭建自相关和小波阈值变换联合去噪系统，极大程度抑制了噪声对检测结果的不利影响。利用频率可调标准信号调制待测信号频率，使得被测信号与检测系统策动力信号的频率差满足检测条件，打破了利用Ｄｕｆｆｉｎｇ 振子检测系统只能检测与系统策动力频率相近信号的限制。(In order to solve the problem of weak signal detection in strong noise bac
平滑去噪算法
- 对信号进行平滑和去噪，直接读入数据，使用matlab带的sgolayfilt函数进行处理
双树复小波变换源码参考
- 完成一维信号小波去噪，并比较不同阈值的去噪效果(Complete one dimensional signal wavelet de-noising)
数字信号处理课程设计
- 分别设计了低通、高通、带通滤波器进行声音去噪声分析，并比较去噪效果。所展示效果为主菜单/子菜单。(The low pass, high pass and bandpass filters are designed for noise noise analysis, and the effect of noise removal is compared.The display effect is the main menu / submenu.)