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qdsg
- 主要研究了超声回波信号的小波分析算法和BP神经网络算法。在超声检测中,作为检测基本数据的脉冲反射回波信号受到电子噪声和结构噪声的干扰,-major study of the ultrasonic echo signal wavelet analysis algorithm and BP neural network algorithm. In ultrasonic testing, to detect the basic data pulse echo signals reflected by
19854822PrinterTest
- LMS软件是用来进行自适应滤波的最小均方误差算法,稍加修改就可以用于自适应噪声对信号分离自适应陷波等。-LMS software is used for adaptive filtering the minimum mean square error algorithm, slight modifications can be used for adaptive noise signal separation Adaptive Notch so.
matlab-xiaobobao
- matlab小波包的使用,包括图像处理和信号处理的内容程序-Matlab wavelet packet, including the use of image processing and signal processing procedures for the content
xiaobo_PSK
- 基于二次小波变换的psk信号符号率的估计
心电信号加入0.5Hz的基线漂移
- 心电信号加入0.5Hz的基线漂移,通过0.5Hz高通滤波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析;信号加入50Hz工频漂移,通过50Hz陷波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析,ECG baseline drift by adding 0.5Hz, 0.5Hz through a high-pass filter, filtering of the waveform after the comparison with the original waveform, fi
ziliao
- 对焊接电弧声进行多维小波信号处理,主要为基本的信号处理过程-multiple wavelet anolysis
xiaobobaoyiweiquzao
- matlab小波包工具箱的使用来分析信号,实现了一维去噪声的功能,恢复出了原始信号-wavelet packet Matlab toolbox used to analyze signals and realized the noise to a peacekeeping function, restoration of the original signal out
LFM_signal
- 关于线性调频波的三个小程序,包括线性调频波的生成,FFT变换,线性调频信号通过匹配滤波器-Linear frequency modulation wave on the three small procedures, including the generation of LFM wave, FFT transform, linear frequency modulated signal through the matched filter
1
- 建立了信号从扩频、加干扰信号到解扩、求误码率的仿真模型系统。 经过小波镜像处理的与理想的状况的比较。-Established from the spread spectrum signal, plus interference signal to the de-spread, and the bit error rate system simulation model. After wavelet image processing and comparison of the ideal si
GPSdenoise
- GPS单历元信号变形监测数据去噪处理。包括小波软/硬阀值去澡,中值滤波去噪-Single epoch GPS deformation monitoring data signal de-noising processing. Including wavelet soft/hardware to the shower threshold, median filter denoising
szxd
- 数字滤波器设计及在心电信号滤波中的应 心电信号采集 心电信号分析 含噪心电信号合成-Digital filter design and filtering of the ECG should be collected ECG ECG ECG analysis of noisy synthetic
wave
- 很好的小波实用基础程序,实用方便,可用于一维,二维信号处理-a useful wavelet program can be used in signal processing
frequencyanalysiswithwavelettools
- 实际应用中的绝大多数信号是非稳定的,而特别适用于非稳定信号的工具就是小波分析。-The practical application of the vast majority of the signal of non-stable, in particular, apply to non-stable signal is wavelet analysis tools.
faboxiaozao
- 方波信号削噪,用sym8小波进行三层分解并用heursure软阈值进行小波系数阈值化-Cut a square wave signal noise, three with sym8 wavelet decomposition and use heursure soft threshold wavelet coefficients thresholding
xiaobofenxitezhengtiqu
- 语音信号处理中,基于小波分析的特征提取的源程序,实现效果较好-Speech signal processing, feature extraction based on wavelet analysis source to achieve better
denoise_julei
- 利用聚类算法和小波分析进行声发射信号的阈值去噪 -The use of clustering algorithms and thresholding wavelet analysis of acoustic emission signals
Wavelet-denoisingzip
- 语音信号去噪,在MATLAB开发环境下,对含噪声的语音信号进行小波变换,实现语音增强的功能。-The speech signal denoising, wavelet transform, the noisy speech signal in the MATLAB development environment, Speech enhancement functions.
dsp-yuyinquzao
- DSP程序,利用小波实现劣质语音信号的去噪。-DSP procedures, the use of wavelet denoising of low-quality speech signal.
小波包分析 代码
- 对原始信号进行小波包分解,小波函数及分解尺度均可自调(The original signal is decomposed by wavelet packet, and the wavelet function and decomposition scale can be adjusted automatically)
package_emd
- 经验模态分解(Empirical Mode Decomposition,EMD)法是黄锷(N. E. Huang)在美国国家宇航局与其他人于1998年创造性地提出的一种新型自适应信号时频处理方法,特别适用于非线性非平稳信号的分析处理。对经过EMD处理的信号再进行希尔伯特变换,就组成了大名鼎鼎的“希尔伯特—黄变换”(HHT)。由于脑电信号处理很少在EMD之后接上希尔伯特变换,在这里仅介绍EMD的相关基础知识。 EMD其实就是一种对信号进行分解的方法,与傅里叶变换、小波变换的核心思想一致,大家