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11158906Denoise_wavelet_Mod
- 应用小波变换滤除信号奇异值,matlab编写,需自己添加信号-apply wavelet for signal
m_sequence
- 使用matlab产生m=5的伪随机信号,进过验证,与硬件上的波形一致-Use matlab to generate pseudo-random signal of the m = 5
wavelet
- 用MATLAB对一语音信号进行小波分解,然后对其各层系数进行处理以达到小波抑制的目的,重构处理后的信号,画出波形分析;用MATLAB实现对一语音信号用不同小波进行分解,提取各层的高低频系数,画出各系数波形,并重构;用MATLAB对一图象分别用不同小波分解,观察高低频部分进行重构,比较重构误差,再进行阈值消噪,比较消噪前后图象;用MATLAB对一语音信号进行小波分解,分别用强阈值,软阈值,默认阈植进行消噪处理。-Wavelet decomposition and reconstruction
signal-
- matlab利用小波模极大值法实现信号的奇异性检测-Signal singularity detection in Matlab
rddate
- 用matlab来实现心电信号的读取,使用时改换适当的路径即可实现-Used to read the ECG signal, Matlab to achieve,Change when you use the appropriate path to achieve
MATLAB2
- 利用小波包分析信号的matlab程序,大家可以参考-Matlab program using wavelet packet analysis of the signal, we can refer to
56465456456465waveletpackage
- 基于matlab的小波包分解应用于机械振动信号的故障分析-Used in failure analysis of mechanical vibration signals based on the Matlab wavelet packet decomposition
bpskd
- 使用matlab实现的BPSK信号产生和加入噪声前后的频谱对比以及FFT测频和一阶差分法测频对比-Using matlab to achieve the BPSK signal generator and adding noise before and after the spectrum contrast and FFT frequency measurement and first-order differential method to measure the frequency cont
xiaobosym4
- 该程序的功能是用于去除人体肌肉信号中的噪声信号 采用了两种方法处理;小波和高斯滤波的方法-matlab
Audio-watermarking-internship-report
- 音频信号的水印设计,以音频信号为载体,将秘密信号嵌入载体音频信号当中, 实现音频信号的水印。采用变换域小波变换(DWT)的技术,将音频信号进行小波变换,提取出低频分量,然后将水印嵌入到音频信号的低频当中。实验当中先在MATLAB 上面进行了仿真实验,并且通过加入噪声以及滤波等进行干扰以此检测了算法的透明性和健壮性,然后利用C 语言进行了测试,最后经 过一些修改,例如加入定时器以及进行中断的处理和加入缓冲在DSP 板子上实现了加入水印的音频声音的播放。-Audio signal water
sound-spectroanalyzer
- 基于MATLAB的简易声音信号频谱分析仪设计源码及设计报告。可以实现音频信号的不同频段滤波。-MATLAB simple voice signal spectrum analyzer design source code and design reports. Can achieve a filtering of the different frequency bands of the audio signal.
小波去噪程序
- 局部放电试验所采集的信号中往往混有白噪声、周期干扰信号去除。此处采用常用db系列小波中的db6小波进行9尺度的多分辨分解后,根据白噪声能量特性,估算各尺度的阈值大小,采用硬值进行处理,后进行重构。Matlab程序如下:
frft
- 用matlab对chirp信号进行了仿真,表现出了chirp信号的frft变换积聚效果-Chirp signal using matlab simulation, the performance of the chirp signal frft transform accumulation effect
tezhengtiqu
- 基于小波分析的特征信号提取的matlab程序-Matlab program signal extraction based on wavelet analysis features
fft_bpfilter
- 该函数使用matlab对运动情况下的心电信号做快速傅里叶变换,并加汉宁窗函数进行滤波-The function uses Matlab ECG movement fast Fourier transform, Hanning window function filtering
wavelet
- 小波变换进行信号去噪的源程序,基于MATLAB,包含几种常用方法的实现,需安装WaveLab802小波工具箱。 -Wavelet transform for signal denoising source, based on MATLAB, including several common methods of implementation, the need to install WaveLab802 wavelet toolbox.
wavelet
- 小波变换进行信号去噪的源程序,基于MATLAB,包含几种常用方法的实现,需安装LeventCodes小波工具箱。 -Wavelet transform for signal denoising source, based on MATLAB, including several common methods of implementation, the need to install LeventCodes wavelet toolbox.
EOG-and-EMG
- -1.伪迹减法的matlab实现 ¨要求用仿真数据(随机信号+EOG仿真)检验 ¨EOG仿真信号根据眼电特性设定 2-2.肌电伪迹的去除仿真实验 ¨要求用真实信号+仿真伪迹 ¨仿真伪迹:通过查阅资料确认伪迹频率范围或特性,并用公式仿真。 2-3.请简述眼电是如何产生的?--1 Artifact subtraction matlab implementation requires simulation data (random signal+ EOG simulati
di
- 最大似然估计的matlab程序,一个比较常用的数字信号处理程序.-Maximum likelihood estimation matlab procedures, a more commonly used digital signal processing.
OLS_sparsereprention
- 基于稀疏表示的正交最小二乘法,使用的语言是matlab,应用比较广阔,设计信号处理中的信号回归,图像处理的压缩等。-Sparse representation based on orthogonal least squares method, the language used is matlab, relatively broad application, design signal processing signal return, image processing, compression