Method of correlation analysis was applied using the data of land use change from 1992to 2002.
研究方法:根据1992 - 2002年该地区土地利用变化数据,采用相关分析的方法。
Objective This paper presents a statistical method of familial correlation on family data from case-control studies.
目的提出一种分析病例对照家系资料家庭相关的统计方法。
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 monthly rainfall data of the stations around Taihu were objectively analysed by a method of curved surface fitting in this paper and the correlation with the Taihu water level was studied.
本文利用环太湖地区站点的月降水资料,用曲面拟合方法作客观分析,与太湖水位进行相关性研究。
As principal component analysis mainly use the linear correlation of the data, we propose a nonlinear principal component analysis method, by combining the mercer kernel function with it.
主成分分析方法主要利用数据的线性相关性来降维,并不适合非线性相关的情况。
Example shows that a new resolution ratio and combination of data mining association rules theory of gray correlation assessment method is an effective method.
实例分析表明采用新的分辨系数并且结合数据挖掘的关联规则理论的灰色关联评估法是一种有效的方法。
In this paper, based on the correlation matrix analysis of sample data, a principal component analysis method is used.
在本文的模型估计部分,依据样本数据相关矩阵分析结果,采用了样本主成分分析的方法。
Applying correlation method, with instance, engages in research of teaching method of data processing.
应用对比方法,选用实际例题,进行了数据处理教学方法的研究·。
The problems of high speed and large amount data acquisition are solved by using the proposed method. The accuracy of correlation function is not affected seriously.
该方法解决了高速、大数据量采集的困难,又不显著影响相关函数的精度。
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。
Using the multi-resolution analysis as pretreatment method association with the correlation analysis can improve the effect of data analysis.
把多尺度分析作为数据预处理方法和相关分析技术联合使用,提高了数据分析和处理的效果。
Methods The data were analyzed by correlation regression and round distributing method.
方法应用相关回归统计法和圆形分布法对资料进行研究。
The data acquisition method this thesis USES is mainly interview and questionnaire survey. And use correlation analysis, regression analysis and so on to process the data.
本文使用的数据采集方法主要为访谈法和问卷调查法,数据处理方法主要是相关分析和回归分析。
Result shows that the method is effective to discriminate linear and nonlinear correlation characteristics in a comparatively long data series, and suitable for analysis of complex ocean data.
结果表明,在数据资料较长时,该方法能有效判定数据序列的线性、非线性相关特征,特别适合于复杂的海洋数据资料分析。
The surrogate data technique is one of the effective methods to identify the chaos in the time series. In this paper, we introduce a kind of surrogate data method based on correlation dimension.
替代数据方法是判定时间序列中是否具有混沌特性的一种有效方法,本文介绍了该方法中一种基于关联维数的混沌判据。
To solve this problem, a new method of frequency offset estimation is proposed. This method adopts modulated data elimination technique and the segmental correlation FFT algorithm.
为了解决这个问题,提出了一种新的频率估计算法,采用扩频调制信息消除策略和分段相关FFT频谱分析技术实现频偏精确估计。
And if not using data correlation coefficient theory to determine whether there is defect in pipe, only using PSD particular frequency band storing method, the compression rate is extremely limited.
而如果没有数据相关度理论对数据进行预处理判断是否缺陷,功率谱特定频段数据保存法的压缩能力还是极其有限。
A new method called gray correlation analysis method based on DEA (Data Envelopment analysis) is presented to evaluate the regional highway network.
提出了一种基于数据包络分析(DEA)和灰色关联分析的区域公路网评价方法。
Since the concentration range measured is very wide (0-100%), curve-fitting method is used for obtaining the correlation equation correlating sample's concentration and peak area normalization data.
鉴于相平衡样品的浓度范围宽(0—100%),所以,定量采用曲线拟合法求得标样浓度与峰面积归一数据的关系方程。
Because of lacking in data, the historic flood volume is often estimated only with the peak-volume correlation method.
历史洪水洪量的估算,由于资料缺乏,多采用单一的洪水峰量关系进行相关计算。
Signal correlation analysis is a basic as well as an important method that owns wide applications in data processing in time domain and space domain.
信号相关分析是时域和空域中一种基本的、但又是重要的信号分析方法。
The correlation method is used to process the data and then obtain the sub-pixel measuring precision.
采用相关法处理数据,实现了亚像素测量精度。
The results showed that the predicted data of the near-infrared analysis method is obviously correlate with the chemical analysis data. The correlation quotient is (0.9783. )
实验结果表明:近红外光谱分析方法的预测值与化学分析值有显著的相关性,相关系数为0.9783。
The correlation method and FFT method of the power spectrum estimation could not completely reflect the concept of the power spectrum of the non-stationary random signals because of data truncation.
对于非平稳随机信号的功率谱分析,采用自相关函数傅里叶变换和直接傅里叶变换分析时,由于存在数据截断,二者从概念上都不能很好地反映随机信号的功率谱。
The chirp system, which is commonly used for RCS measurement, is utilized to collect data and a method of orthogonal digital correlation mixer is suggested to process the sampled data.
该方法利用通常的线性调频RCS测量系统进行信号采集;信号处理则采用本文介绍的正交相关数字混频器。
Using the geomagnetic data of certain stations in N. China, the authors make a preliminary analysis with the view to illustrate the space-correlation method.
作者应用我国华北地区若干台站资料,以局部地区地磁场空间相关性的分析为基础,重点讨论了“空间相关法”,给出了具体震例分析的初步结果。
On the basis of correlation analysis of the experiment data, it uses graphic method, average law, least square method to obtain the experience formula of the experiment.
在对实验数据进行相关性分析的基础上,运用图解法、平均值法、最小二乘法对处理后的数据进行曲线拟合,获取实验的经验公式。
This method not only gives a correlation between the main construction parameters of the gas exchanging cam and the performance data of diesel engine. but also possesses a series of merits o…
这种方法不仅使配气凸轮的主要结构参数与柴油机的性能参数联系起来,而且具有计算时间快、分析简明方便等优点。
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。
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。
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