搜索资源列表
atuocorrelation
- 自相关函数在噪声检测,识别和有用信号的提取中的应用-autocorrelation function of the noise detection, identification and extraction of the useful signal of
minimumvar
- 基于最小均方误差准则的LMS算法对淹没在噪声中的信号进行的有效的提取.-based on the minimum mean square error criteria LMS algorithm drowned in the noise signal the effective extraction.
tiqu
- 提取信号七个基于瞬时信息的特征:零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差,零中心非弱信号段瞬时相位非线性分量绝对值标准偏差,零中心非弱信号段瞬时相位非线性分量标准偏差,零中心归一化的非弱信号段瞬时频率绝对值的标准偏差,一个信号段的归一化瞬时频率功率谱密度的最大值,根据信号 QPSK 和16QAM在 XI 轴投影的不同表现,提出特征参数。-Extraction based on instantaneous information signal of seven
linespectual
- 编写的matlab程序,主要介绍如何提取信号的线谱的方法-Written in matlab program introduces how to extract the signal of line spectrum method
wgy
- 利用lms算法,实现FIR滤波器对噪声的滤波。参数有滤波器抽头数、步长延迟间隔、 采样点数、采样间隔。输出无噪声、干扰、提取的信号波形-Use of the the lms algorithm to achieve the FIR filter for noise filtering. Parameters the number of filter taps, the delay interval of step, sampling points, sampling interval. Sign
330
- 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
Short-time-zero-crossing-rate
- 基于MATLAB用于检测提取的语音信号的平均短时过零率的算法,可以方便的检测出是清音还是浊音。-Algorithm based on the MATLAB for detecting extracted speech signal average short-term zero-crossing rate, you can easily detect the voiceless or voiced.
signal-charactar
- 基于MATLAB用于提取语音信号的特征参数如倒谱,语谱等,可以方便的检测出语音信号的基频,共振峰。-Cepstrum based on MATLAB is used to extract the characteristics of the speech signal parameters such as language spectrum, can easily detect the speech signal fundamental frequency, formant.
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
BISPECI
- 双谱间接法的matlab实现,在用信号的特征提取上,可以直接调用。-Bispectral indirect method matlab realize, in a signal feature extraction, it can be called directly.
FFT
- 本程序的基本功能是对信号进行傅里叶变换,并同时提取出他的时域和频域的特征值。-The basic function of this program is the signal to Fourier transform, and the simultaneous extraction of his time domain and frequency domain characteristic values.
matlab_xiaobobao
- 一段小波包程序源码,用于提取故障特征信号值和图形化-Some wavelet packet program source code, used to extract fault characteristic signal values and graphical
ecg_r
- 对ecg信号进行预处理,并检测ecg的r波,并进行特征提取,并在图中进行标注-On ecg signal preprocessing and detection of r ecg wave, and feature extraction, and marked on the drawing
ecg_pqst
- 对ecg信号进行预处理,并检测ecg的pqrs波,并进行特征提取,并在图中进行标注-On ecg signal preprocessing and detection of pqrs ecg wave, and feature extraction, and marked on the drawing
rsp
- 对rsp信号进行预处理,并检测rsp的特征点,并进行特征提取,并在图中进行标注-For rsp signal preprocessing and detection feature point rsp and feature extraction, and marked in the drawing
sc
- 对sc信号进行预处理,并检测sc信号的特征点,并进行特征提取,并在图中进行标注-For sc signal preprocessing, and detecting the feature point sc signal and feature extraction, and marked on the drawing
11
- 次声信号特征提取与分类识别,使用Labview和matlab算法去实现-sound signal feature extraction
阵列信号处理的理论和应用
- 阵列信号处理的目的是通过对阵列接收的信号进行处理,增强所需的有用信号,抑制无用的干扰和噪声,并提取有用的信号特征及信号所包含的信息。与传统的单个定向的传感器相比,传感器阵列具有灵活的波束控制、高信号增益、极强的干扰抑制能力以及高空间分辨能力等。(The purpose of array signal processing is to enhance useful signals required by the array, to suppress unwanted interference an
Sparse image and signal processing
- 这本书在稀疏的多尺度图像和信号处理提出了艺术状态,包括线性多尺度变换,如小波,脊波和曲波变换、非线性、多尺度变换基于中值和数学形态学算子。最近的稀疏性和形态多样性的概念描述和利用各种问题,如去噪,反问题正规化,稀疏信号分解,盲源分离,压缩感知。 这本书的理论和实践研究相结合的领域,如天文学、生物学、物理学、数字媒体应用和取证。最后一章探讨了信号处理中的一个范式转换,表明以前的信息取样和提取的限制可以用非常重要的方法加以克服。 MATLAB和IDL代码伴随这些方法和应用程序重现。 实验并说明
激光自混合微位移测量的FFT相位提取方法_张照云
- 提出一种基于快速傅里叶变换( F F T)提取相位的方法, 分析自混合干涉信号, 不增加系统复杂度就能将激光自混合( SM LD) 微位移测量精度提高到纳米量级。(A phase extraction method based on F F T is proposed. The self mixing interference signal is analyzed, and the accuracy of the self mixing (SM LD) micro displacement me