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。
To deal with the situations of close flight and cross flight, the velocity information of targets and the method of partly processing are taken into track correlation.
针对近飞目标和交叉飞行目标的情况,点迹与航迹的关联采用了分块处理技术,并融合了目标的速度信息。
Finally, evaluation is made from the following aspects: mean, entropy, cross entropy, distortion of the correlation coefficients and the feasibility of the method is verified in this paper.
最后从均值、信息熵、交叉熵、扭曲程度、相关系数等方面对融合后图像进行了评价,验证了算法的可行性。
A new method for passive radar MTD based on fractional correlation is presented by introducing the fractional correlation into the computation of the cross-ambiguity function (CAF).
本文将分数阶相关引入到互模糊函数的计算中,提出了一种基于分数阶相关的无源雷达动目标检测方法。
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。
A new method for image sequence object detection based on the normalized cross correlation coefficient is proposed.
提出一种基于归一化互相关系数的图像序列运动目标检测方法。
The normalized cross correlation algorithm is a in common use method of the area matching.
区域匹配中最常用的算法是归一化互相关方法。
The common using method is generalized cross correlation, but it has a definite limitation to those without transcendental information on the occasion of having much noise.
常用的时延估计方法是广义互相关方法,按方法对于较少先验知识、大背景噪声具有一定的局限性。
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。
This paper put forward an improved direct extraction method with pseudorandom cross correlation function, by which, the average and local velocity in blood vessel are measured simultaneously.
本文提出了一种能同时测量血管平均流速和局部流速的改进伪随机码互相关直接提取方法。
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。
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。
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。
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。
In the case of large density difference, there is a velocity separation between different media, making the measurement more difficult, cross-correlation method is still usable.
在密度差别较大时,存在着不同介质间的速度分离,给相关法测量带来困难。
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。
During the calculation of cross-correlation, a progressive correlation method was used to avoid the de-correlation caused by the object surface.
为在计算中避免散斑去相关的影响,采用了逐级位移相关叠加法。
At the same time, with cross bearing method which use sensors of different places locates the target the problem of correlation of new start -up radiation source is resolved.
同时,配合二次关联的方法,利用异地配制的传感器交叉定位,解决了新开机辐射源数据的关联问题。
Aiming at the problem of low accuracy and high price of pulp-flow meter currently used, a novel measuring method based on cross-correlation theory is proposed.
针对当前流量检测装置成本高、精度低的问题,提出了一种新型流量检测技术。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题,提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
An effective adaptive imaging method using cross-correlation weight of dual robust beamforming is proposed for UltraWideBand (UWB) through-the-wall imaging radar.
为了改善超宽带穿墙雷达目标成像质量,论文提出双稳健波束互相关加权的自适应成像方法。
This thesis presents the theory on the generalized cross-correlation method and its detailed derivation mathematically. Five generalizations of the cross-correlation function are listed and discussed.
阐述了广义互相关时延估计算法的原理并对其作了详细的数学推导,研究各种加权函数的形式以及性能特点。
For that, this thesis combines short-time zero-crossing rate, the short-term energy method and frame cross-correlation method to cut the voice data. A series experiments were done afterwards.
为此本文采用了短时过零率与短时能量相结合以及相连帧互相关的方法对语音进行切割并且做了一系列的实验。
This method includes the following steps: 1. Obtain time polynomial of signal using cross correlation in a time-space window, the polynomial determining the phase times of signal on all traces;
此法的第一步是在信号时-空窗内用多道互相关确定信号时间多项式,此多项式决定了各道的信号相位时间;
This method includes the following steps: 1. Obtain time polynomial of signal using cross correlation in a time-space window, the polynomial determining the phase times of signal on all traces;
此法的第一步是在信号时-空窗内用多道互相关确定信号时间多项式,此多项式决定了各道的信号相位时间;
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