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Based on these, a general mathematical model for the polar autocorrelation function is set up and the theoretical basis of the polar correlation method is presented.
在此基础上,建立了一般的极性相关函数的数学模型。从而论证了极性相关法的理论依据,拓宽了极性相关法的适用范围。
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Results indicate that the ensemble precipitation probability forecasts made by the three methods above-mentioned all can give accurate estimation of center and region of the precipitation, and the "Rank" is superior to the "Average" and "Correlation" for performing better in forecasting the areas, intensity and boundary of precipitation but the other two expand improper areas.
结果表明:用上述3种方法制作的多模式短期集合概率预报都能对降水落区及中心做出较准确的预报,但平均法和相关法易使降水落区虚假放大,Rank法则能较好地刻画降水落区边界及强度,其概率预报效果优于平均法和相关法结果。
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When I study, I adopt product moment correlation in statistics ,1 study relation which between the mistake in Chinese expression and Chinese study record . I adopt point brserial correlation ,1 study the mistake in Chinese and students sexes ,the relationship ages and social surrounding .
在研究时,我用统计学中的积差相关法,研究学生的语文偏误量与语文学业成绩的相关性;用点二列相关法,研究语文偏误与学生性别、年龄和社会环境间的相关性。
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The CO2 uptake rate of plants is affected by the plant species and environmental conditions such as photosynthetically active radiation, temperature, water and nutrient contents. PAR is the most immediate environmental control on photosynthesis while air temperature affects both photorespiration and dark respiration. In the natural condition, PAR and temperature play an important role in net CO2 uptake. The effects of PAR and air temperature on the CO2 uptake of Pterocarpus macrocarpus grown in a natural habitat were studied in the present work. Due to many uncontrollable factors, a simple rectangular hyperbola could not represent the measured data. The data were divided into groups of 2℃ intervals; CO2 uptake in each group may then be related to PAR by a rectangular hyperbola function. Using the obtained functions, the effect of PAR was removed from the original data.
用涡度相关法对亚热带红壤丘陵区人工针叶林的二氧化碳、水、热通量进行了观测,重点分析了23m、39m两层高度的观测结果,同时把观测期分为春季和冬季两个不同时间段作了对比:结果表明,不管冬季还是春季,39m高度所测的总通量值和夜间通量值都要小于23m的观测值,这种通量差别表明:23m高度的观测结果更接近当地生态系统与大气之间的通量交换值,在此种生态类型条件下用涡度相关法测碳通量时,在23m、39m两层高度之间仍然存在大气平流现象;该试验区植被在冬季仍然可以进行光合作用,而且光合作用所吸收的CO2大于呼吸作用所排放的CO2,因此该种生态系统在冬季仍表现为碳汇;春季的碳通量值为冬季的2倍以上。
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Measurements have been made in order to get the correlation between their leaf lenth×width and length+width, and the actual Surface of the leaves, It is well-known that the living leaf surface measurements are essential in production and scientifi...
众所周知,活体叶面积的测算是生产和科研所必须的,相关法是通常应用的有效方法,我们将系数法应用于某些蔬菜活体叶面积的测算,结果表明系数法比相关法更简捷、方便、结果可靠
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Daughter-dam regression, daughter-dam regression wit hin sire, half-sib correlation and intro-unit half?sib correlation were used in the study to estimate genetic parameters for several traits of Albas type of In ner Mongolia cashmere goats, Traits included in this paper were cashmere yield,cashmere thickness,staple length,body eight,cashmere stretched length and cashmere fineness.
本研究应用女母回归法、公畜内女母回归法、半同胞相关法和单元内半同胞相关法对内蒙古阿尔巴斯白绒山羊的产绒量、绒厚、毛长、体重、绒伸直长度和细度等六个性状的遗传参数进行了估测。
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The number of measurers, samples and times of repeating are discussed to settle down a general alternative standard; at the same time, this dissertation offers testing and analyzing influence factors of the measurement system analysis model, using Residual analysis.
按照破坏性测量系统的类型及不同特点综合研究了齐性样本法、替代样本法、非破坏性测量系统替代法、破坏性测量系统替代法以及自相关法等五种方法,为破坏性测量系统分析提供了解决思路及方案。
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Model comparisons for estimating water and heat fluxes of reed wetland ecosystem in Panjin were done among Profile gradient method,Bowen ratio energy balance method and Eddy covariance method,based on the data from July 1 to July 31,2005 by open-path eddy covariance system(Li-7500,Li-cor Inc,USA) and the micro-climate gradient observation system.
利用2005年7月盘锦芦苇湿地生长旺季的小气候梯度系统30 min观测资料和开放式涡动相关系统10Hz原始观测资料,比较并分析了廓线法、波文比能量平衡法与涡动相关法计算的芦苇湿地生态系统水热通量。
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The image processing method of PIV was studied on the base of the image correlation theory in this paper. The simulated particle image displacement field was reconstructed. The reconstruction result of auto correlation and cross correlation , and the error of cross correlation were given. The difference of this two correlation method was analyzed.
以图像相关理论为基础,研究粒子图像测速技术的图像处理方法,编制出高精度的处理软件,重建计算模拟的粒子图像位移场,给出了自相关法与互相关法的积相关与减相关的计算结果,及互相关法的误差分析,分析了自相关与互相关区别。
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The method of obtaining time delay parameters with the reverse access channel is discussed. The modified algorithms of classic correlation methods of TOA estimation are proposed. Noncoherently combining algorithm and group coherent combining algorithm are given. They decrease the computational complexity and are more suitable for implementations in practical systems. The leading edge detection algorithm is proposed to mitigate the effect of multipath in TOA estimation. Then the secondary search method is proposed, it can solve the matching issue of PN code in CDMA systems. The location algorithms based on LS are discussed; include circular trilateration with LS, hyperbolic trilateration with reference differencing, hyperbolic trilateration with sequential differencing and circular trilateration with TOA differences. The design and implementation of wireless location system based on TOA/TDOA in CDMA2000 systems are given. The location process is discussed, and the hardware and software implementation of TOA estimation are given. Finally, the wireless location system which uses TOA estimation and LS location algorithms above is tested in the real environment.
文中讨论了采用CDMA2000反向链路中的接入信道来获取时延的方法和过程;对TOA估计的传统的相关法进行了改进,提出了非相干合并相关法和分组合并相关法,减少了基于相关的时延估计算法的运算量,提高了算法的实用性,对算法进行了仿真和性能分析;采用边缘检测技术有效减少了TOA参数估计中的多径干扰,提高了时延参数估计的准确度;提出了一种TOA估计的二次搜索法,解决了多个定位测量单元同时进行TOA估计的PN码匹配问题,进一步了提高TOA估计的精度;在采用时延值的定位算法中引入了基于LS的圆周法、基于参考差的双曲线法、基于相邻差的双曲线法和基于TDOA的圆周法,讨论了各算法的应用条件,进行了算法性能的仿真分析;给出了CDMA2000系统中的TOA/TDOA的无线定位的系统方案和实现流程,并对TOA值估计算法进行了软硬件实现,还对采用TOA估计算法、LS定位算法和定位系统设计方案实现的定位系统的进行了现场定位性能测试。
- 更多网络解释与相关法相关的网络解释 [注:此内容来源于网络,仅供参考]
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time correlation function:时间相关函数
804. time correlation analysis 时间相关分析 | 805. time correlation function 时间相关函数 | 806. time correlation method 时间相关法
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correlation matrix:相关阵
correlation function 相关函数 | correlation matrix 相关阵 | correlation method 相关法
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correlation matrix:相关距阵
correlation graph 相关图表 | correlation matrix 相关距阵 | correlation method 相关法
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correlation method:相关法
离差法常用以下三种:3.相关法(correlation method) 相关法是用相关系数和回归线评价个体发育的方法. 人体是一个有机的整体,在生长发育过程中,各项发育指标之间存在着一定的内在联系,因而可用回归分析方法研究其间的相互关系.
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vector correlation method:向量相关法
Vebe apparatus韦伯仪器 | vector correlation method向量相关法 | vegetable fault植物杂质
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time correlation method:时间相关法
805. time correlation function 时间相关函数 | 806. time correlation method 时间相关法 | 807. time correlation system 时间相关系统
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lag correlation method:落后相关法
落后相关 lag correlation | 落后相关法 lag correlation method | 落后交叉相关 lag cross correlation
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variation stabilization correlation method:变异稳定性相关法
平方变异 variation of squares | 变异稳定性相关法 variation stabilization correlation method | 组内变异 variation within classes
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variance -stabilization correlation method:变异数稳定相关法
变异数比分布 variance ratio distribution | 变异数比检定 variance ratio test | 变异数稳定相关法 variance -stabilization correlation method
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correlational method:相关法
15、相关法(correlational method)看两个变量是否有某种特定关系. 16、实验法(experimental method)操纵一个变量,观测另外一个变量的变化. 用以建立两个变量间的因果关系. 实验法用随机分组和控制其他变量恒定的方法,试图消除其他因素的影响或使之减为最小.