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- 实现心电信号的去噪处理以及波形变化，提取信号周期，同时标记波形的起始点和结束点-Denoising ECG waveform changes, signal extraction cycle, at the same time mark waveform start and end points
kpca算法从ECG中恢复EDR信号
- 利用kpca算法,从心电信号中提取呼吸信号
xiaobotiqunengliang
- 使用小波提取信号的能量特征，同时伴有强制消噪。-Use the the wavelet extracted signal energy characteristics, accompanied by mandatory de-noising.
872661heat-transkalman
- 卡尔曼滤波从与被提取信号有关的量测量中通过算法估计出所需信号。卡尔曼滤波处理有几个特点：(1)卡尔曼滤波处理的对象是随机信号；(2)被处理信号无有用和干扰之分，滤波的目的是要估计出所有被处理信号；确切的说卡尔曼滤波应称作最优估计理论；就实现形式而言，卡尔曼滤波器实质上是一套由数字计算机实现的递推算法。量测量可看作卡尔曼滤波器的输入，估计值可看作输出-Kalman filtering from the measurement of the quantity relating to the sign
基于小波变换的数字水印系统设计
- 本文提出一种基于小波变换的图像数字水印算法，通过将低频子图分块并量化其小波系数，实现水印的嵌入和提取，并对其进行抗噪声、JPEG压缩、旋转等实验。对于旋转攻击，该算法结合了图像的归一化技术。实验结果表明，该算法对常见图像处理和旋转都有较好的鲁棒性。
Hilbert
- 该程序基于labview2012研发，利用希尔伯特变换实现提取信号的包络。一部分是对AM信号的仿真实验，另一部分是其通用形式，只需拷贝到自己的引用程序中即可。-The program is based on the labview2012 , the use of the Hilbert transform to extract the signal envelope. Part of the AM signal simulation, another part is in its generi
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- 提出了将信号进行相空间重构后再采用奇异值分解, 对分解后的主成分进行包络分析, 从而提取信号的隐含特 征的方法, 并将该方法应用于齿轮的局部故障振动特征信号的提取中。数值仿真实验结果表明, 该方法能有效提取强背景 信号及噪声中的弱冲击特征信号, 是一种有效的弱信号特征提取方法。采用该方法对齿轮振动信号进行故障特征提取与识 别, 结果与实际情况相符。-Signal implicit characteristic of phase space reconstruction, and th
waveletEMDimproved
- 对信号进行小波分解预处理，之后对预处理后的信号进行EMD分解以及Hilbert变换，提取信号的瞬时频率-Wavelet decomposition pretreatment, with EMD after the preprocessed signal and the Hilbert transform of extracting a signal instantaneous frequency signal
VKF_OT
- 第二代福德卡曼阶比追踪代码，用于提取信号的阶比分量-the second Vold-Kalman Tracking Filter code for extracting the orders of signal.
mav-feature
- 提取信号的平均绝对值特征，为模式识别作准备-mean absolute value feature
willison-amplitude
- 提取信号的willison特征，为模式识别作准备-willison amplitude feature
bispectrum
- 用c实现的提取信号的双谱，进而可用于信号特征提取和识别-With c realize the dual spectrum signal extraction, and thus can be used for signal feature extraction and recognition
hilbert
- 将实信号变换为复信号，提取信号幅值、相位角，计算相位同步指数，分析各组信号数据之间的同步稳定性。-The signal is converted into a complex signal, extraction of signal amplitude, phase angle, calculation of phase synchronization index, analysis of stability of synchronization between each signal data
EMD_0627
- emd算法 主要用来提取信号的本征模态，将信号的原始信号从混合噪声中提取出来-emd algorithm Mainly used to extract the signal intrinsic mode, the original signal from the mixed noise extraction
EMD
- 实现EMD，用于信号分析，提取信号的相关特征，即本征模态函数。-Realize EMD, for signal analysis, signal extraction-related characteristics, namely the intrinsic mode function.
cordic
- cordic算法，适用于宽带信道化接收机提取信号参数-CORDIC algorithm, suitable for wideband channelized receiver signal parameter estimation
frFT_otherpara
- 此程序可以实现用分数阶傅里叶变换提取信号的脉冲周期，调频斜率等特征参数。-This process can be achieved using fractional Fourier transform to extract signal features such as pulse period and FM slope parameters.
wavelet_detcoef
- 提取信号的小波细节系数，对原始信号进行3层分解，分别提取每一层信号的细节系数。-To extract the signal wavelet detail coefficients of the original signal is 3 layers of decomposition, respectively to extract the signal the detail coefficients of each layer
wv_con
- WVD对单频信号进行分析的程序,具有良好的提取信号特征功能-WVD of single-frequency signal analysis program, extracts a signal having a good characteristic features
ca_cfar
- ,在强干扰中提取信号,不仅要求有一定的信噪比,而且必须对信号作恒虚警处理.在自动检测系统中,对一定的检测门限来说,当干扰电平增大几分贝,虚警率就会大大增加,致使显示器画面饱和或计算机过载,这时即使有足够大的信噪比,也不可能做出正确的判决.为此在自动检测雷达中,必须具备恒虚警处-, extracting signal in strong interference, not only requires a certain signal-to-noise ratio, and must make co