autocorrelation造句

• In this part , the basic theories of the paper , which are population geography , spatial autocorrelation and gis , are narrated
  笔者在这部分详细阐述了河南省人口空间动态特征研究的基本理论，即人口地理学、空间自相关、地理信息系统。
• In the method that reflects autocorrelation of image , the optimal path of scanning image is acquired by inherent coherence and relationship among near pixels of image
  该方法是根据图像相邻像素灰度值之间的内在关系求出扫描图像像素的最佳路径。
• Lpc prediction error ; one - side autocorrelation sequence lpc ; acoustic front end processing ; canonical correlation based on compensation ; combination of features
  线性预测误差单边自相关线性预测语音前端声学处理正则相关分析的谱变换补偿特征综合
• Maximum value method is fast but not accurate , autocorrelation function method is accurate and have a good effect form radar image according to their estimate methods
  在多普勒中心频率估计中,最大值法简单,但精度不高,自相关函数法有较高的估计精度。
• We analyses the different result of pca by using autocorrelation matrix and covariance matrix , and point out that the express of pca is different but the error are the same
  分析了用协方差矩阵和自相关矩阵得出的pca表达是不同的，但是两者的误差是相同的。
• Analyze window shows the microphone signal , autocorrelation data and absolute value of autocorrelation data . beginning of the yellow data curve are post processing data
  分析窗口展示相关数据的话筒信号、自相关数据和绝对值。黄色数据曲线的起点是标杆处理数据。
• Firstly , the logarithmic return series usually show no or little autocorrelation , whereas the squared values or absolute values of the series have high autocorrelation
  首先，收益序列没有明显的自相关性，但其平方或绝对值却高度自相关，序列的波动呈聚集性。
• Then by using the inverse autocorrelation function we get another means of moments parameter estimates on the ma part of arma ( p , q ) , cleveland - parzen estimates
  从而通过逆自相关函数得到了arma ( p ， q )过程ma部分的参数的另一种矩估计方法， cleveland - parzen估计。
• A new algorithm improving watermarking robustness based on a self - reference concept and exploits special autocorrelation features ( acf ) of a spatial template is proposed in this paper
  摘要提出一种改进的基于自参考概念和空间模板的自相关函数特性的数字水印算法。
• The performance of suppressing noise and practicality of the approach based on hoc is better than that of approach based on autocorrelation
  这种方法与通常在电话网信号中所采用的基于相关的检测方法相比，具有很好的抗噪声性能，且能满足实时处理的要求，有一定的实用价值。
• The optimization of the codes are usually quoted for the autocorrelation sidelobes , namely , the outputs are the autocorrelation sidelobes of codes which are not moudulated by the signals
  通常的伪码优选考虑编码的周期自相关旁瓣，即无符号调制时编码匹配滤波器的输出旁瓣。
• Aimed at the acoustic signals from heavy sizing - press and rolling bearing rig , a preprocessing of autocorrelation for independent component analysis ( ica ) is proposed
  摘要以大型轧钢机和滚动轴承试验台为研究对象，应用独立分量方法来分离机器的声音信号，并提取其状态特征。
• Through analyzing decision variable of receiver , the f - pe method can increase autocorrelation of desire user ' s spreading sequence , and improve the ber performance
  对接收机判决变量输出分析表明，该算法能有效增加关心用户的解扩滤波相关峰值，对误码率性能有很好的改善。
• The arch model with its introduction of autocorrelation hypothesis of observation data describes and explains convincingly the unevenness and fat - tail distribution of financial data
  Arch模型引入观测数据方差自相关假设，有力地刻划和解释了金融数据的丛集性和厚尾尖锋特性。
• From the point view of high dimensional data processing , we get the essence of pca , and also easy to explain this difference between autocorrelation matrix method and covariance matrix method
  用高维空间数据处理的观点，指出了pca的本质，并从高维空间中，解释了不同方法得到不同pca的原因。
• The article analyzed the reasons that aroused the mean reversion in stock index futures , and the calculation methods of the coefficient of the first - order autocorrelation in basis change
  摘要阐述了指数期货中均值回复现象产生的原因，并进而分析了基差变化中的一阶自相关系数在不同情况下的计算方法。
• As a new kind of high - resolution signal , multicarrier phase coded radar signal has drawn attention due to a lot of advantage , such as perfect autocorrelation , flexible designing and easy processing
  多载频相位编码信号作为一种新型的高距离分辨信号以其信号特性优良,参数设计灵活,处理简单越来越引起人们的关注。
• For fh signals , we proposed two algorithms too , one is a signal detection algorithm based multiple - hop autocorrelation ( mhac ) of fh signals , and the other is a parameter estimation algorithm based on time - frequency analysis
  对跳频( fh )信号，本文提出了基于多跳自相关的信号检测方法和基于时频分析的跳频参数估计方法。
• A scheme to identify the stochastic signal and its modes by computer is introduced and using the method of the autocorrelation functions for recognizing the stochastic audio signal fleet has been applied
  摘要分析了利用自相关函数法实现快速识别随机音频信号，介绍一种用计算机实现随机音频信号处理与模式识别的硬件结构和程序设计。
• A new variable step - size cma blind equalization algorithm is introduced to conquer the defects of cma , in which the step size is controlled by the estimation of error signal ' s autocorrelation
  摘要提出了一种自适应变步长恒模盲均衡算法，利用剩余误差信号的自相关函数估计值作为控制步长的因子来自适应改变步长的大小，克服了恒模算法存在的固有缺陷。