自相关

zì xiāng guān
  • autocorrelation;self-correlation
自相关自相关
自相关[zì xiāng guān]
  1. 基于自相关的AR模型的盲辨识算法

    Blind indentification algorithm of AR model using autocorrelation

  2. AR(1)型自相关过程的过程能力分析方法研究

    Process Capability Analysis of AR ( 1 ) Model in the Presence of Autocorrelation

  3. 复自相关技术在声学多普勒流速剖面仪中的应用及其定点DSP实现

    Implementation of a Complex Self-correlation Method on ADCP and Its Realization on Fixed DSP

  4. q元m序列非周期自相关函数的估计与M序列的分段线性化

    Estimates of aperiodic correlation functions of q-ELEMENTS m-sequences and piecewise linearization for m-sequences

  5. 基于FPGA嵌入式的多比特自相关器设计

    Design of Embedded Multi-bit Autocorrelator Based on FPGA

  6. 基于自相关函数建模的小波域SAR图像去斑方法

    Speckle Reduction of SAR Image Based on Modeling of Autocorrelation Function of Wavelet Coefficients

  7. 关于谱及平稳随机过程的n阶导数通过线性动力学系统输出的自相关函数的谱表示

    Spectrum and Spectrum Indication of Output Correlation Function of the n-th Derivative of Stationary Stochastic Processes Passing Through Linear Dynamics System

  8. IBMPc/XT计算机控制精密光学自相关器和实验数据采集与处理自动化系统

    An IBM PC / XT computer controlled autocorrelator and datum acquisition processing system

  9. 非线性模型误差自相关诊断的Z检验方法

    The Z method of testing for serial independence of the disturbances in nonlinear models

  10. 检验,用模型的残值εk的自相关系数rk检验模型;

    Test , applying the autocorrelation coefficients rh of the residuals ε k of the model to testing the model .

  11. CFD程序自相关循环的并行化方法研究

    Parallelization of Self-Dependent Loops in CFD Programs

  12. 在理想情况下,CDMA通信系统中使用的扩频序列集中:每个扩频序列的自相关函数应该是一个冲激函数,即除零时延外,其值应处处为零;

    Ideal spreading codes used for CDMA system should have impulsive-like auto-correlation functions and zero cross-correlation functions .

  13. 多输出函数的自相关函数特征及Walsh谱特征

    Auto-correlation function characteristics and Walsh spectral characteristics of multi-output functions

  14. 可以证明,BP神经网络对自相关统计过程的控制能力高于休哈特控制图、残差控制图。

    Can proof , the BP neural network on the relevant statistical process control ability than Hugh hart control charts , residual control chart .

  15. 在其基础之上,运用空间数据挖掘中GIS的空间自相关分析方法,分析了我国人口压力空间分布模式;

    Based on this , adopting spatial autocorrelation analyzing method used in spatial data mining , the author analyzed the spatial distribution pattern of population pressure .

  16. 该算法与FFT和基于自相关函数的MUSIC算法相比,能更有效地抑制高斯色噪声的影响采用相关高斯色噪声进行数值仿真,结果表明该方法的有效性。

    Compared with FFT and algorithms based on correlation like the MUSIC , the new method can effectively reduce the influence of Gaussian color noise .

  17. 在ANP基础上,提出了自相关噪声处理神经模糊推理(ANFIS)的概念及相关算法。

    Proposed the concept and algorithm of adaptive network-based Neuro-fuzzy inference system ( ANFIS ) .

  18. 基于时延自相关预处理的Hilbert-Huang变换解调

    Hilbert-Huang transform demodulation based on delayed autocorrelation pretreatment

  19. 分析了动态光散射技术中光强自相关曲线衰减速率的物理意义,指出快速衰减的相关曲线代表小颗粒对应大的自相关函数G(Γi),反之亦然。

    The signification of decay rate of intensity-autocorrelation curve was analyzed , and the fast speed decay rate indicated that small diameter particles contribute large share intensity , vice versa .

  20. 数字自相关技术在LPI雷达信号检测中的应用

    Technology of Digital Self-Correlation and its Application in LPI Radar Signal Detection

  21. 针对自相关算法的局限性,研究了复杂环境(乘法与加法观测噪声共存时)中,通过高阶累积量对二维DOA估计的问题。

    Based on the 2D model , the case of DOA estimation in presence of complicated noise is studied in this paper .

  22. 1.3微米波长InGaAsP激光器产生的亚微微秒光脉冲的干涉自相关测量

    Interferometric Autocorrelation Measurements of Subpicosecond Optical Pulses from 1.3 μ m Wavelength InGaAsP Diode Laser

  23. 目的介绍逆自相关函数的意义,说明其在ARMA模型识别中的作用。

    Objective The concept of the inverse autocorrelations was given , and its applications in indentifying ARMA models were displayed .

  24. 应用空间自相关分析方法对中国栗疫病菌17个居群RAPD遗传变异的空间结构进行研究,以探讨栗疫病菌居群遗传变异的分布特征及其形成机制。

    The spatial structure of genetic diversity among 17 populations of Cryphonectria parasitica in China was investigated using RAPD markers with the spatial autocorrelation analysis .

  25. 本文介绍了地学统计学(geostatistics)中关于自相关函数、方差图的基本概念。

    Ome concepts of geostatistics , Such as variogram and range , were introduced in this pa-per .

  26. 在GIS上直观的显示出区域内土壤体积含水率的空间分布、变化趋势、各向异性的方向和大小、自相关距离,证实土壤墒情存在着空间变异和各向异性。

    Space distribution , transformation tendency , anisotropic direction magnitude and auto correlation distance are displayed by GIS software and it has been proved that space variance and anisotropy exist in soil moisture content .

  27. 根据welch界,同时具有理想自相关与互相关特性的扩频序列是不存在的。

    Due to Welch limit , the spread spectrum sequence with ideal correlation characteristic is not exited .

  28. 采用完整的Zernike矩自相关函数集合提取彩色纹理的空间结构信息。

    A complete set of Zernike moment correlation functions is used to capture spatial structure of a color texture .

  29. 对有马达法辛烷实验值的芳香烃分子进行研究时,用C节点-C连接数的倒数方法计算的自相关拓扑指数与辛烷值间的相关性最显著,其相关系数为0.9537。

    To study the aromatic molecules of having experimental octane number , the fittings of the autocorrelation topological indexes of the inverse of carbon-carbon connection to the motor octane numbers present high correlation coefficients , and it is 0.9537 .

  30. 模拟了裂纹数密度的自相关函数为二维指数椭圆型、Gaussian型函数的非均匀各向异性随机裂缝岩石模型(分别记为指数椭圆型及Gaussian型非均匀随机裂缝岩石)。

    As examples , heterogeneous anisotropic fractured rocks of which the autocorrelation functions of crack number density can be described as 2-dimensional exponential ellipsoidal or Gaussian function were simulated especially .