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合成数据的英文

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"合成数据"怎么读用"合成数据"造句

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  • generated data

例句与用法

  • Experiments showed that the sketch - based approaches could efficiently provide approximate answers for aggregate queries
    合成数据的查询实验表明草图技术能有效地降低估算误差。
  • The model and field data results indicate that the method presented here is easy and the result resolution is high
    合成数据模型结果及实际资料的成像结果表明积分法不但实现起来极容易,成像结果的精度也相当高。
  • Half - hourly measurements of co 2 , water vapor , and energy exchange using the eddy covariance technique from walker branch watershed , tennessee , 1995 - 1998 , http : cdiac . esd . ornl . gov ftp ameriflux data us - sites walker - branch
    合成数据集和真实数据集的全面测试表明,本文提出的卸载策略的性能均好于现有其它方法。
  • This data acquisition can scan from any position and orientation freely , which not only can get data from the best acoustic windows by reducing the obstruction of the rib and the sternum , but also can combine the data from multiple acoustic windows
    此方法可从任意位置和角度进行扫描,从而,不但可以最大限度地减少肋骨和胸骨的影响而获得最佳的扫描窗口,而且可以从多个声学窗口合成数据
  • Based on the fact of generating the synthetic data using poisson distribution function and exponential distribution function , the performance of hy algorithm and the comparison among hy algorithm , apriori algorithm and dhp algorithm is experimented . these experiments include the one that compares the execution time using variant synthetic data and variant minimum supports , and the scale - up one that compares the execution time using variant transaction number and variant item number in synthetic data . finally the results of the experiments are analysed
    在构造基于泊松分布函数和指数分布函数的合西南交通大学硕士研究生学位论文第iii页成数据的基础上,对hy算法的性能及其与apriori算法和dhp算法的比较进行了实验,这些实验包括针对不同的合成数据和不同的最小支持度,对各算法的执行时间进行比较的实验以及针对合成数据的不同的事务数和不同的项数对各算法的执行时间进行比较的规模实验,并对实验结果进行了分析,反映出hy算法具有良好的性能。
  • An efficient algorithm qais is proposed that uses the efficient method to reduce database access activity , and present a novel algorithm aiu based on this algorithm , it is fit for mining association rules and incremental updating . it is especially effective in vldb , mining long patterns , and high support . the perfermance of qais / aiu is verified on the basis of synthetic data , experiments show that the proposed algorithm can mine association rules more efficiently by not generating candidate itemsets and reducing the redundancy of frequent itemsets while generating association rules
    然而目前大多数挖掘关联规则的算法往往必需多次扫描事务数据库才能达到要求的目标,这样重复性的数据库存取动作将会导致过多的执行时问浪费在i o动作上,另外在频繁集生成规则时现有的算法没有考虑到规则的大量冗余,为了解决这个问题本文提出了一个不需要生成候选集同时有效的去除生成规则时产生大量冗余的算法qais ,来提高关联规则生成的速度,并且在此算法基础上提出了新颖的关联规则增量更新算法aiu ,通过应用合成数据验证了qais aiu算法的有效性,由试验结果来看这个方法确实能更有效且准确地获得事务数据库的关联规则,尤其适合挖掘超大数据库中高支持度下长模式的挖掘。
  • Land cover of china region was analyzed using the 1km ndvi and the relative ancillary data . the result shows that the distribution of vegetation in china is correlative with space and the ndvi seasonal variations are different between various ecosystems . the land cover classification can be based on this character
    利用中国区域1公里分辨率的多时相ndvi合成数据集及相关的辅助地理信息数据,对中国区域的陆表植被覆盖做了一般性分析,结果表明植被覆盖分布具有相当明显的地域性,并且各种类型陆表的ndvi表现出不同的季节性变化特征,可以此作为分类的依据;利用bayes最大似然分类法对我国东北地区进行了地表覆盖分类。
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