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equivalent samples
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  等价样本
     To improve the computational performance of the FCM algorithm used in the dataset clustering with large numbers,the concepts of the equivalent samples and the weighting samples based on the samples' eigenvalue distribution in the feature space were introduced and a novel fast cluster algorithm named WFCM(weighted fuzzy C-means) algorithm was put forward,which was inherited from the traditional FCM algorithm.
     为改进FCM算法在处理大样本集聚类时速度慢、耗时多的缺点,根据样本在特征空间中的特征值分布情况,引入等价样本和样本加权概念,在此基础上提出了FCM(Fuzzy C-Means)的快速算法一般形式:WFCM(WeightedFuzzy C-Means)算法。
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  “equivalent samples”译为未确定词的双语例句
     This method uses the center of gravity method to obtain the clustering centers of load classifications and their equivalent samples, and by identifying each clustering center equivalent sample, the synthetic load model of each classification is gained.
     实践表明,该方法得到的某类负荷特性的综合模型参数能够较好的描述该类负荷特性中的所有样本,并且,该方法具有物理意义清晰、计算量小等优点。
短句来源
     The preliminary results of imaging of biological equivalent samples, such as large volume solution phantoms, suggested that the present ESRI system was capable of imaging biological samples in combination with spin labeling techniques.
     对水溶液和固体模型样品进行ESR成像的结果表明:本系统可以开展较大体积生物样品的ESRI研究。
短句来源
     Based on the hypothesis of Bernoulli model and concept of equivalent samples,the prior information of accident rate may regarded as the sample information obtained from engineering practice. Its distribution is accord with that of Beta conjugate function. By this method the computation of the posterior distribution of accident rate can be simplified.
     文中根据Bernoulli模型的假设,按“等值样本”概念,认为λ的先验信息等值于来自实际运行过程的样本信息,其分布符合Beta共轭分布簇条件,从而简化了λ后验分布的计算。
短句来源
  相似匹配句对
     the equivalent of E.
     E.
短句来源
     Equivalent translation of implication
     言外之意的对等翻译
短句来源
     The samples were amorphous.
     样品均为无定形结构。
短句来源
     ERCULOSIS IN SPUTUM SAMPLES
     用聚合酶链反应快速检测痰液中结核杆菌
短句来源
     Materials and MethodsTissue samples.
     材料与方法
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  equivalent samples
Concern was expressed that randomization fails to produce equivalent samples, without apparent appreciation this is inevitable when variables are distributed by chance; lack of equivalence is controlled by use of tests of significance.
      
To reevaluate these assertions which had been generally accepted without independent evaluations, the transcripts of Brown were reanalyzed employing equivalent samples of the interactions of Adam and Eve with their mothers.
      
This was corroborated by a paired t-test analysis, which supported the hypothesis that the S/C biopsies measured equivalent samples.
      
When the remaining undried, unhusked samples arrived in Peoria, they were husked and randomly separated into 5 equivalent samples.
      
In the crop year 1979, freshly harvested dent corn was coUected at maturity in 57 sets of 2 equivalent samples/set.
      
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The variance formula of the sample mean of the stratified sampling has been derived from some common hypotheses and by putting forward a new concept, i.e.the equivalent sample size, the stratified sampling has been introduced into the system of the theory of grading based on the random sampling. Moreover, taking the cost of inspection as the objective function, the optimal method for fixing the sample size in the stratified sampling has been obtained and the index for appraising the sampling...

The variance formula of the sample mean of the stratified sampling has been derived from some common hypotheses and by putting forward a new concept, i.e.the equivalent sample size, the stratified sampling has been introduced into the system of the theory of grading based on the random sampling. Moreover, taking the cost of inspection as the objective function, the optimal method for fixing the sample size in the stratified sampling has been obtained and the index for appraising the sampling method on the basis of the mathematical statistics has been proposed. Those theoretical results have been tested and verified through computer simulation.

在一般的假设条件下,导出分组抽样的样本平均值的方差计算式,并通过提出等效样本容量的概念,使分组抽样问题得以导入随机抽样为基础的分级理论。最后以检验费用为目标函数,给出了最优化决定分组抽样数量的方法,提出了在数理统计角度上评价抽样方法的指标。通过电算模拟抽样验证了有关理论结果。

In this paper, the variance of the stratified sample variance and the standard deviation have been derived from the hypotheses that the size mean of a skein and the interskein size are random variables of a normal distribution, and the equivalent sample size has been given, thus solving the problem of grading in the stratified sampling inspection of the variance based on the theory of grading through random sampling, such basic problems as the impact of interskein variance on the inspection results...

In this paper, the variance of the stratified sample variance and the standard deviation have been derived from the hypotheses that the size mean of a skein and the interskein size are random variables of a normal distribution, and the equivalent sample size has been given, thus solving the problem of grading in the stratified sampling inspection of the variance based on the theory of grading through random sampling, such basic problems as the impact of interskein variance on the inspection results and the appraisal of the sampling inspection method are also elucidated. The theoretical results have been tested and verified through computer simulation.

在假设各丝绞纤度期望值和丝绞内纤度均服从正态分布的条件下,导出分组抽样样本方差及均方差的方差计算式,并给出相应的等效样本容量,使偏差的分组抽检分级问题通过随机抽检分级理论得到解决。本文还阐明了绞间偏差对检验结果的影响及抽检方案的评价等基本问题。有关理论结果通过电算模拟试验得到验证。

A new method of realizing sampled A/D transformation by phase-locked loop was presented. Applying pll frequency transformation to,the input signals, an equivalent sample delayed signal hi was obtained.According to the input signal frequecy property, the equivalent sampling numbers and actual sampling interval of the input signals were controlled by a microcomputer program. Based on this principle, a data sampling system of high frequency and periodic signals was designed.

本文提出一种利用锁相环实现取样式A/D转换的新方法,通过锁相环对输入信号进行频率变换,获得一等效延时△t的采样信号;输入信号的等效采样次数及实际采样间隔根据其频率特性由微机编程控制。基于此原理设计出高频周期信号的数据采集系统。

 
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