统计特性

  • 网络statistical characteristic of a load;statistical property;statistical characteristic
统计特性统计特性
  1. Rice衰落信道的统计特性分析与仿真

    Analysis and Simulation of the Statistical Properties for Rice Fading Channels

  2. Paul阱中两个超冷离子的量子统计特性

    Quantum statistical properties of two ions in a Paul trap

  3. 研究了复合K分布的统计特性。

    Statistic characteristic of compound K-distributed clutter is studied .

  4. 采样目标统计特性与CCD探测系统设计

    Design methods of CCD detection system and the statistical characteristics of sampled targets

  5. 第二类是基于SAR图像局部统计特性[2]的自适应滤波;

    The second is adaptive filters based on the statistics of the SAR image .

  6. 基于高阶统计特性的非高斯AR模型的阶次辨识

    Order Identification of Non Gaussian AR Models Based on Higher Order Statistics

  7. 分析了合成孔径雷达(SAR)图像中相干斑(Speckle)的统计特性。

    This paper analyzes the statistics of speckle .

  8. 基于语音流统计特性的VoIP容量分析与提升算法

    Analysis and lifting algorithm of VoIP capacity based on the statistical property of voice streams

  9. 为了克服扩展卡尔曼(Kalman)滤波算法对噪声统计特性的约束,针对磁强计量测噪声为有色噪声伴常值干扰的特性,提出了一种基于扩维Kalman滤波算法的地磁导航算法。

    In order to overcome the noise restriction of the extend Kalman filtering , an augmented navigation algorithm is established .

  10. 分析了SAR原始数据统计特性,给出了常用的性能评价参数。

    Then , the statistical characteristics of SAR raw data are analyzed , and performance evaluation parameters in common use are introduced .

  11. Miner理论的统计特性分析

    Statistical property analysis of miner cumulative damage

  12. 本文具体分析了合成孔径雷达(SAR)图像的相干斑形成机理和图像统计特性。

    In this dissertation , the speckle generative mechanism and image statistic characteristic in Synthetic Aperture Radar ( SAR ) system are analyzed concretely .

  13. SU(1,1)相干态光场的统计特性及其对原子动力学行为的影响

    Statistical properties of su ( 1,1 ) coherent states of light and its influence n dynamical behaviors of the atom

  14. 长相关(Long-rangedependence,LRD)是MPEG-4视频流基本的统计特性。

    Long-Range Dependence ( LRD ) is the fundamental statistical characteristics of the MPEG-4 video traces .

  15. 文中还对CW雷达回波振幅统计特性作了探讨。

    The theoretical analysis is also made for the amplitude statistical property of the CW radar echo fluctuation .

  16. 变码率MPEG-2视频编码的统计特性及数据分割可分级的新方法

    The Statistical Characteristics of VBR MPEG 2 Video Coding and a Novel Scalable Data Partitioning Method

  17. 独立成分分析方法(ICA)是近几年才发展起来的一种新的基于信号高阶统计特性的分析方法。

    Independent component analysis ( ICA ) is a recently devel - oped method based on higher order statistical analysis .

  18. 传统的方法都是从SAR成像机理出发,从理论和SAR图像的实际情况来分析SAR的统计特性。

    In generally , based on the principle of SAR imaging , the traditional methods analyze the statistic characteristics of SAR image through the theory and certain conditions .

  19. 分析了LSB匹配数字隐写对图像不同位平面统计特性的影响。

    The influence on different bit planes by the LSB matching embedding is analyzed .

  20. ICA利用数据之间的高阶统计特性,既能实现对高光谱数据的降维,也能用于高光谱数据的混合像元分解。

    ICA uses higher order statistical properties of the data , which can achieve dimensionality reduction of hyperspectral data and hyperspectral unmixing .

  21. 当噪声的统计特性已知时可以考虑采用常规kalman滤波以抑制随机噪声对控制性能的影响。

    When statistical property of random noise is known , the conventional kalman filter can be adopted to hold back the effect of measurement noise on control performance .

  22. 对NDT精度等疲劳参量的统计特性作了分析。

    The statistical properties of some fatigue parameters , such as NDT error and stress calculation error , are investigated .

  23. 不同类Blazar的红移及谱指数统计特性

    Statistical properties of different class Blazar for redshift and spectral indices

  24. 接着详细分析了SAR图像中相干斑的形成机理及其数学描述和统计特性,实现并分析了经典的相干斑抑制算法和基于极化分解的极化SAR非监督分类算法。

    Analysis the SAR image speckle formation mechanism , mathematical description and statistical properties detailedly . Then summarize the classical polarization SAR speckle reduction algorithms and non-supervised classification algorithms based on polarimetric decomposition .

  25. 用Monte-Carlo法对一个和两个自由度随机结构的频响函数统计特性进行了研究。

    The statistical characteristics of frequency response functions of single and two degrees of freedom structures with uncertain physical parameters are obtained by using Monte-Carlo method .

  26. 根据吉布斯马尔可夫随机场模型和SAR图像斑点噪声的伽玛分布统计特性,应用模拟退火算法,实现雷达截面的全局优化伪似然估计。

    Based on Gibbs-Markov random field model and the Gamma distribution property of SAR image 's speckle noise , global optimal pseudo likelihood estimation of radar cross-section can be achieved with simulated annealing algorithm .

  27. 基于随机矢量和矩阵理论,分析了相关MIMO信道下的最大似然(ML)和MMSEMIMO信道估计的统计特性。

    Based on the theorem of random vector and matrix , the statistics of maximum likelihood ( ML ) and MMSE MIMO channel estimations are analyzed under correlated MIMO channels .

  28. 对于超声图像来说,Speckle噪声是无法避免的,而且其复杂的形成机制、多变的统计特性使得很多经典降噪算法无法发挥作用。

    For ultrasound images , the speckle noise is inevitable . Its complex formation mechanism and statistics properties make a lot of classic noise reduction algorithm can not play a role .

  29. 介绍了广义Pareto分布的分布函数、矩和参数等主要统计特性,推证了其两个重要性质。

    The main statistical features of the function , the matrix and the parameters of the generalized Pareto distribution are described and two important behaviors have been justified .

  30. 针对SAR图像中桥梁和水域的统计特性,提出了基于小波支持向量机分割与先验知识相结合的桥梁目标检测方法。

    After existing bridges and river regions statistical feature in the SAR images were considered , a novel method was proposed to detect bridges by combined wavelet support machine ( WSVM ) with knowledge of bridges .