搜索资源列表
Spectral-subtraction
- 学习并找到降噪方法，对语音信号背景噪声做处理，使得声音更清晰。-The background noise is the most common factor degrading the quality and intelligibility of speech in recordings. Spectral subtraction can lower the noise level without affecting the speech signal quality. In this pape
noice-reduction
- 通过小波分解的手段对时间序列信号进行降噪。内有英文说明书。 -The noise reduction of time series signals by means of wavelet decomposition . There are instructions in English.
Denoise
- 小波去噪算法程序代码好用的啊啊降噪弱信号提取-Wavelet denoising code easy to use ah extraction of weak signal noise reduction
fftjiangzao
- FFT降噪，基于matlab编写，内含宽度10,30,50的低通滤波器滤波后信号频谱图。-FFT noise reduction, based on Matlab. It contains the low-pass filter of width of the signal frequency spectrum 10,30,50.
danpin_denoise
- 此程序用小波和FIR滤波器分别对一个单频信号进行降噪处理，并对比了各自的处理结果-This procedure separately carries on noise reduction processing with the wavelet and the FIR filter to a monofrequent signal, and has contrasted respective processing result
TSA
- 时序平均降噪程序。通过对时域信号进行平均，以达到降噪效果。-Timing average noise reduction program. Average time-domain signal in order to achieve the reduction in noise.
jiangzao
- 一种适合声音信号的降噪处理程序，调用MATLAB脚本文件-A suitable sound signal noise reduction processing procedures
Across_speechp
- 传统双话筒降噪应用中，要求采用定向话筒对抗话音串扰问题，并且语音损伤较大，采用抗交叉串绕算法后，，仅噪声被抵消，语音信号被保留。分为两个阶段，第一阶段，学习环境，第二阶段，抵消噪声。 -The application of the traditional dual-microphone noise reduction, directional microphone to confront the problem of voice crosstalk, and the voice more
xiaoboquzaohequxiannihequjipiao
- 小波降噪和曲线拟合去基漂，用于对数字信号进行处理-Wavelet noise reduction and curve fitting to base drift
example_yingyuzhi
- 小波变换，硬阈值降噪，产生原始信号，在原信号中叠加入高斯白噪声，信号重构-Wavelet transform hard threshold noise reduction, resulting in the original signal, stacked Gaussian white noise to the original signal, signal reconstruction
wavelet
- 小波分析是一个强有力的统计工具，最早使用在信号处理与分析领域中，通过对声音、图像、地震等信号进行降噪、重建、提取，从而确定不同信号的震动周期出现在哪个时间或频域上。现在广泛的应用于很多领域。 在地学中，各种气象因子、水文过程、以及生态系统与大气之间的物质交换过程都可以看作是随时间有周期性变化的信号，因此小波分析方法同样适用于地学领域，从而对各种地学过程复杂的时间格局进行分析。如，温度的日变化周期、年变化周期出现在哪些事件段上，在近100年中，厄尔尼诺-拉尼娜现象的变化周期及其出现的时间段，等
shangchuan
- 实现仿真信号的胡相关处理降噪，可以实现被白噪声污染的信号中有用信号的提取，并进行了fft变换，可以清晰的看清信号的频谱-Hu correlation processing to achieve the simulated signal noise, white noise contaminated signal in the extraction of the useful signal can be achieved, and fft transform, you can clearly se
smooth
- 本程序基于滑动窗口可以实现对一维曲线平滑及降噪，根据有用信号的频率，选取合适的窗口宽度。-This procedure can be achieved based on the sliding window, select the appropriate window width of one-dimensional curve smoothing and noise reduction, according to the frequency of the desired signal.
pujian
- 经典语音降噪算法，提高语音信号信噪比和语音可读性，谱减法源代码-Classic voice noise reduction algorithms to improve the readability of signal-to-noise ratio and the voice of the voice signal to spectral subtraction source code
Untitled2
- 经典语音降噪算法——维纳滤波算法。实现提高语音信号信噪比，提高可读性。-Classic voice noise reduction algorithm- Wiener filtering algorithm. Improve the signal-to-noise ratio of the speech signal, improve readability.
xindianxiaobofejie
- 利用matlab软件对心电信号进行小波分解和降噪处理，包含原始数据-Wavelet decomposition and noise reduction processing of the ECG signal using matlab software contains raw data
waveletEMD
- waveletEMDimproved的原始版本，以小波软阈值降噪对信号进行预处理，对预处理后的信号进行EMD分解-the original version waveletEMDimproved, wavelet soft threshold denoising preprocessing the signal, signal pretreated with EMD
WPA
- matlab在信号去噪过程中，运用小波包方法对信号进行降噪处理-matlab signal de-noising process, the use of the method of wavelet packet noise reduction processing on the signal
Median-filter-
- 在信号处理中，它通常是可取的是能够执行某种降噪图像或信号。中值滤波是一种非线性数字滤波技术，通常用于去除噪声。这种噪声是一个典型的前处理步骤，提高后处理的结果（例如，边缘检测在图像）。中值滤波是非常广泛的应用在数字图像处理中，在一定的条件下，它保留了边缘，去除噪声-In signal processing, it is often desirable to be able to perform some kind of noise reduction on an image or signal.
xiaobojiangzao
- 此程序实现matlab中对一声音信号进行小波降噪处理。-This program is to achieve the matlab wavelet noise reduction processing a sound signal.