number of samples的例句大全

Secondly, clinical examination is carried out mainly on retrospective observation with snail number of samples.

其次, 临床研究大多是小样本,回顾性的近期观察.

estimation for variances of discriminating parameters obtained by ar modelling need a large number of samples or the experiment shall be repeated many times. in this paper, to solve those problems in variance estimation for ar parameters of cutting chatter, a bootstrap method is introduced.

针对故障诊断中AR模型参数判别门限值的确定需要大量样本和重复多次试验的问题，采用小样本统计的Bootstrap方法对车削振颤AR模型参数的方差进行了估计。

This paper presents a method extracting target acceleration by using discrete Wigner-Ville distribution under low pulse repetition frequency ( PRF) and a finite number of samples, velocity information ( Doppler frequency) of target can be obtained simultaneously by using the time-frequency analysis method.

提出了一种在低脉冲重复频率（PRF）和对目标采样数有限情况下提取加速度信息的方法。用这种离散时频分析方法同时也能获得目标的速度信息（多普勒频率）。

It becomes necessary to visually classify a large number of samples.

有必要对大量样品进行目测分类.

Methods: The number of samples was calculated with the optimum allocation stratified random sampling survey.

应用最优分配随机分层抽样方法确定调查点.

Define the number of samples to be submitted along with PPAP documentation.

定义在PPAP文件提交时需提交的样品数.

By training RBF network using the information of selected days, short-term load forecasting without large number of samples can be realized.

改进RBF网络的训练算法，增强RBF网络的局部逼近能力和泛化能力，采用由模糊聚类分析获得的样本对RBF网络进行训练，在不需大量训练样本的前提下实现对短期负荷的预测。

Generally speaking, Monte Carlo is the only choice to correctly compute the problem of global illumination in the field of realistic image synthesis. However, the image produced by a Monte Carlo based global illumination algorithm is noisy when not using a large enough number of samples.

一般来说，蒙特卡罗方法是真实感图形领域中准确计算全局光照问题的唯一选择，但由该方法生成的图像当采样量不足时，会存在有大量的噪声。

the asc is ideal whenever you need to measure a large number of samples or require very high reproducibility of results.

在您需要测量大数量的样品或者要求非常高的结果重现时，ASC就是您的理想之选。

high-throughput screening depends on the development of a quantitative, pharmacologically relevant assay for the identified target, which can then be reproduced across a large number of samples.

大规模筛选有赖于对要识别的靶子的数量和药物相关分析的发展，然后可以在大量样本中重复。

Insufficient number of samples may lead the time trend characteristics of real and accrual-based accounting not apparent.

样本数的不足可能导致了在对比新准则前后的应计及真实盈余管理行为的变化趋势时，时间趋势不够明显。

This model uses support vector machines ( SVM) which has strong learning ability and needs only less number of samples as its learning algorithm, and uses the characteristic quantities which could characterize the furnace mouth flame spectral data to improve the efficiency of model training.

该模型采用学习能力强、对样本数目要求不高的支持向量机作为学习算法，以能表征炉口火焰光谱数据的特征量作为样本数据来提高模型的训练效率。

In winter and summer cruises the number of samples taken totalled 115.After analysis of the samples, 4 species of the lucifer were identified.

作为综合调查项目其中之一的生物调查，在全调查区进行了取样：冬、夏两航次共采集浮游动物样品115份，经分析共鉴定出莹虾类4种。

The trustee agreed that the trustor determine the number of samples.

受托人生产的模具,委托人有权确定样品数量,受托人无异议.

The method is simple and practical, and especially suitable for assaying large number of samples.

此法简便实用，尤其适用于大量样品的检测。

Experimental results show that the mean predicting accuracy of the LS-SVM model is higher than BP neural network model. At the same time, the LS-SVM model is especially suitable for limited number of samples. ( 4) Development of intelligent fertilization recommendation platform for tobacco.

实验结果表明，基于最小二乘支持向量机的施肥推荐模型对产量的预测准确率高于BP网络模型，且特别适用于样本数量有限的情况。（4）基于GIS的烤烟智能施肥推荐平台的开发。

It revealed that the product of the standard deviation of the estimated sampling variance and square root of the number of samples was a constant.

实验也证明，取样方差估计值的标准偏差与样本数目的平方根之积可近似为一常数。

The number of samples in the traditional synchronous sampling method is fixed in order to use FFT algorithm.

传统的同步采样法是将采样点数固定为N，这样可以使N为2的整数次幂以使用FFT算法进行谐波测量。

As the variations of the signal frequency, the real number of samples in one cycle changes with the fluctuation of signal frequency which will lead to sampling synchronous deviation.

然而由于电网频率的波动，实际上一个周期内的采样点数N是随频率的变化而变化的，因此必然存在同步偏差，影响测量精度。

the study showed that the catalyst samples contained a large number of active ingredients cuprous chloride which accelerated the synthesis reaction, this mainly due to the catalytic oxidation of copper chloride oxidation, making the conversion rate of phosphine greatly improve.

研究表明催化剂样中含有大量的活性成分氯化亚铜，主要由于氯化铜的催化氧化氧化作用加速了合成反应的进行，使得磷化氢的转化率大大的提高。