The self - correlation coefficient and cross-correlation coefficient are also calculated.
计算出自相关系数和互相关系数;
The time-delay estimator of complex LFM based on cyclic cross-correlation amplitude is discussed.
研究了复线性调频信号的循环互相关估计时延问题。
The aperiodic cross-correlation function between groups has either uniform IFW or perfect complement.
码组间的非周期互相关函数具有均匀分布的IFW,或者完美理想互补的特点。
Measuring slope flow velocity using virtual instrument system based on cross-correlation theory was feasible.
基于相关流速理论所建立的虚拟仪器系统测量坡面径流流速是可行的。
The fast dense disparity map extract method based on mean normalized cross-correlation technique has been research.
研究了基于归一化协方差区域相关技术快速获取浓密视差图的方法。
Then, normalized cross-correlation matching and probability support matching method are used to match the images feature points.
然后利用归一化互相关匹配法和概率支撑法对特征点进行匹配。
Fast Fourier transform has been applied for computing the cross-correlation of seismic surface waves for records at two stations.
应用了快速傅氏变换计算两个台记录的地震面波的互相关函数。
A detection method for weak signal with coherence average is presented, and the principle of cross-correlation detection is introduced.
提出了采用相干平均法提高信号的信噪比并检测微弱信号的方法,介绍了相关检测的原理。
This paper discusses the velocity separation in two-phase flow and the application of cross-correlation technique in two-phase flow measurement.
本文讨论两相流流动中的速度分离和相关法在两相流测量中的应用。
According as principal of cross-correlation, the hardware circuit is used to restrain noise efficiently and acquire faint change of crack signal.
根据互相关原理,设计了相应的硬件相关电路,有效的抑制了噪声并能够提取缺陷信号的微小变化量。
Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).
利用多普勒雷达资料,采用一种改进后的交叉相关法(COTREC)建立了一种降水临近预报方法。
The polarity cross-correlation algorithm to accelerate computation process of the system and the SOPC scheme of velocity measurement system based on FPGA are realized.
利用FPGA实现了极性互相关算法,提高了系统的运算速度,并用FPGA实现了整个测速系统的SOPC方案;
This paper introduces cross-correlation detection theory and maximum likelihood theory and based on the two theories, puts forward a new method for weak signal detection.
简单介绍互相关检测的原理及最大似然理论,并在此基础上,提出了将互相关检测与最大似然理论相结合检测弱信号的新方法。
Closed form expressions of auto-and cross-correlation functions of the novel pulses are also given, which are used to evaluate the performance of the correlator receiver.
为了评估相关接收机的性能,对设计脉冲信号的自相关和互相关函数的闭合表达式进行了推导;
The principle of the Cross-correlation-coefficient algorithm and the absolute difference algorithm are introduced, all kinds of different noise type of CCD apparatus are analyzed.
简要阐述了互相关因子算法和绝对差分算法的基本原理; 分析了CCD器件各种不同的噪声类型;
The nonlinear response in the bistable system with a random binary signal by adding the variable amount of noise is studied, and the input-output cross-correlation coefficient is measured.
研究了噪声和随机二进制信号同时激励双稳系统时的输出响应,并测量了输入输出互相关系数。
In order to demodulate optic fiber Fabry-Perot sensors multiplexed in parallel with high accuracy and absolute cavity length, an improved cross-correlation demodulation method is proposed.
为了实现光纤法-珀传感器并联复用信号的高精度、绝对腔长解调,提出了一种改进的互相关解调法。
In 21/36 pairs of phrenic motoneurones, the cross-correlation histogram showed a significant central peak, which represented synchronization of the pair of units resulting from a common input.
在总共36对膈运动神经单位对中,有21对的互相关直方图上出现有显著意义的中心峰,表明它们之间存在着同步化活动,是接受共同的中枢传入所致。
An optical flow method instead of the cross correlation method is proposed for convective precipitation system.
针对强对流降水的情况,提出了使用光流法计算得到的光流场来代替交叉相关法得到的运动矢量场。
Based on the Doppler radar data, a technique is described with the cross correlation method to heavy rainfall nowcast.
以天气雷达体积扫描的资料为基础,采用交叉相关法建立了一种对暴雨的临近预报方法。
The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
结果表明:应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
The main source causing the vibration of the attached building is found by cross correlation function analyses of random vibration.
采用随机振动相关分析的方法确定了引起尾水平台振动的主要原因。
Due to the multi modes and dispersion nature of acoustic emission (AE) propagating in pipeline, traditional cross correlation technique do not perform well for acoustic leak location.
由于泄漏声发射信号的多模态特性和在管道内传播过程中的频散特性,使得通过相关分析进行管道泄漏定位的效果很差。
The reliability of simple correlation coefficient is lower because of the cross correlation of agronomic character indices, and the reliability of partial correlation coefficient is higher.
由于农艺性状指标间互相关的影响,冠层温度与农艺性状指标间的单相关系数可靠性差,且与偏相关系数有明显的差异;
The methods to amplify the synchronized error and to decrease the cross correlation are proposed to generate the encryption variables which are very sensitive to parameters.
提出同步误差放大、基波缩减的方法,获取对参数变化敏感、互相关性小的加密变量。
The method which combines cross correlation detection with chaos theory to detect the weak signals relative to central frequency in overvoltage monitoring is proposed in the paper.
提出将互相关检测和混沌理论相结合应用于过电压监测中的频率跟踪,检测相对于中心频率极小的微弱信号。
Generalized cross correlation is an important technical measure to solve time delay estimation problem. Time delay estimation variance can reach CRLB by using ML weighting.
广义相关是解决时延估计的重要技术措施,采用极大似然加权进行时延估计时方差可达到克拉美罗界。
Generalized cross correlation is an important technical measure to solve time delay estimation problem. Time delay estimation variance can reach CRLB by using ML weighting.
广义相关是解决时延估计的重要技术措施,采用极大似然加权进行时延估计时方差可达到克拉美罗界。
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