数据波动

使用秩相关系数进行数据均值变化的故障快速诊断；使用尾部相关系数对数据波动异常进行监控及诊断。

Use rank correlation coefficient to do fast fault diagnosis ; use tail correlation coefficient to do monitoring and diagnostic for data fluctuations exception .

研究了沪、西南交通大学博士研究生学位论文第n页深股市交易日内的价格波动特征：分析了沪、深股市高频价格数据波动的可预测性。

The intraday price volatility and the predictability of high-frequency price fluctuations in Chinese stock market are also studied .

实验结果表明，设计的Kalman滤波器对原始GPS定位结果具有平滑和稳定作用，可以有效地降低GPS数据波动时对导航系统的影响。

The results showed that the designed Kalman filter could smooth and stabilize the GPS positioning , and significantly reduced the effect of fluctuation of GPS datas on the navigation system .

研究风电功率预测的BP神经网络模型，引入小波分解技术解决风电功率数据波动规律性差的问题，提出基于小波分解和BP神经网络的风电功率预测模型。

Study a model of BP neural network , a short-term forecasting for wind power based on wavelet decomposition and BP neural network is proposed . By use of wavelet decomposition , the problem of poor data fluctuation regularity is solved .

期刊评价；数据波动；数据独立；指标难度赋权法；

Academic journal evaluation Data waving Data independence Indicator difficulty ratio weighting ;

学者们提出了诸多的方法来消除市场微观结构噪声或者跳跃对于高频数据波动估计的影响。

Researchers have proposed many methods to eliminate market microstructure noises and jumps .

室内几何条件对土壤高光谱数据波动性的影响

Effect of Geometric Conditions on Soil Hyperspectral Data Fluctuate Characteristic in Laboratory Test

跨分布式系统处理数据波动。

Addressing data volatility across distributed systems .

通过大量试验测定了阴极板在实际电解条件下的电流效率，电流效率的平均值为96.7%，并且数据波动很小，比较稳定。

The current efficiency was determined by many experiments , and the average current efficiency was 96.7 % .

而且方差分析所得的结论与极差分析所得的结论相近，说明数据波动主要是由因素水平变化引起的。

The conclusion indicated that the variation of the data was caused mainly by the variation of factor levels .

这类方法可以很好地消除市场微观结构噪声对于金融高频数据波动估计的影响。

Such methods can well eliminate the effects of market microstructure noises on the estimation of volatility of high-frequency financial data .

尽管新屋开工数据波动较大，而且可能被频繁修正，但这是自2008年7月以来最快的增速。

While data on housing starts are volatile and can be revised frequently , this was the quickest pace since July 2008 .

但对于人口量较小或数据波动较大的人口群体，传统方法编制的人口生命表无法得到满意的结果。

But for colonies , which have small population or big fluctuant data , it is impossible to get satisfied results by traditionally made population life table .

然而，随着抽样频率的增高，市场微观结构噪声对于高频数据波动的影响也会变得越来越显著。

However , with the increase of sampling frequency the impact of market microstructure noise on the volatility of high-frequency data will become more and more obvious .

国家统计局警告说，单月增长数据波动性较大；但经济学家指出，这一增幅是2008年初以来最强劲的月度数据。

The ons warned that monthly growth rates were volatile but economists noted that the rise was the strongest for any one month since the start of 2008 .

通过对各测点监测结果的对比分析，得出塔式起重机底座的不均匀沉降和塔身位移变形数据波动范围均不大，满足塔式起重机安全使用限值要求；

The monitoring results show that the uneven settlements of tower crane base and data fluctuation range of tower body deformation are small enough to meet safe usage requirement .

本章先介绍一种消除市场微观结构噪声对于高频数据波动估计影响的方法&预平均方法以及改进的预平均方法。

This chapter first presents a method to eliminate the impact of market microstructure noises on estimation of validate of high-frequency data - pre-averaging method and improved pre-averaging method .

坎德尔秩次法分析数据波动被广泛应用于医药、环保、化学等自然科学领域，在质量管理过程中却鲜有应用。

The Kendall ranks law is applied broadly in the fields of natural science , such as medication , environmental protection and chemistry , but not in quality management .

报告中的这组数据波动较大：即便是大企业，其综合经常利润（经营利润加上利息和非经营收入）的季度环比变幅，也可达到两位数。

This is a volatile data set : even the bigger companies can see double-digit percentage swings from quarter to quarter in aggregate ordinary profits ( operating profits plus interest and non-operating income ) .

基于实验室测试的重复性和再现性检验，不同受试者引入的数据波动性很大，实验室测试，以同一受试者为载体的数据才能进行比较分析。

Based on laboratory measurement of repeatability and reproducibility validation . Different subjects bring into different volatile data , the data of the same subjects as the carrier can be compared in laboratory tests .

但现有的文献大多只研究如何降低金融市场微观结构噪声对高频数据波动的影响，或者只考虑如何消除跳跃对高频数据波动的影响。

However , most of the existing literatures have only studied how to reduce the impact of financial market microstructure noises on the volatility of high-frequency data , or only considered how to eliminate jump effects on high-frequency data .

但是这些方法由于侧重点不同，绝大多数仅考虑了如何消除市场微观结构噪声或者跳跃对于波动估计的影响，少有文献研究在市场微观结构噪声与跳跃同时存在的条件下如何对高频数据波动进行估计。

However , these methods emphasized different aspects and only considered how to eliminate the market microstructure noises or jumps . While few literatures have studied how to estimate the volatility of high-frequency data under the condition of both market microstructure noises and jumps .

断裂韧性平均值约为1.81MPa·m1/2。压痕法测得陶瓷层断裂韧性数据波动较大，其主要原因是陶瓷层显微结构不均匀，使压痕裂纹在涂层不同局部区域所遇到的扩展阻力不同。

The indentation fracture toughness measured for the TBCs at an indentation load of 9.8 N show a large scatter with the average value about 1.81 MPa · m1 / 2 , which could be attributed to the effect of microstructural inhomogeneity on the local crack resistance .

将高频数据波动理论、金融计量分析的方法与实证研究紧密结合起来，采用定性和定量相结合的方法，既有理论的梳理与构建，也有实证分析与经验解释。

This dissertation combines closely the theory of volatility of high-frequency data , analysis methods in financial econometrics , and empirical research and also combines the qualitative and quantitative methods . It has not only the theory research and construction , but also the empirical analysis and experience explanation .

盐丘模型VSP数据的波动方程偏移

Wave equation migration of VSP data in a salt-dome model

欧洲央行（ecb）辩称，季度增长数据具有波动性，经济增长仍在持续。

The European Central Bank has argued that quarterly growth data is proving volatile and growth is being maintained .

已实现波动率是基于金融高频数据的波动率度量模型，包含更多的市场信息，能更好的反映市场特征，因此基于已实现波动率的条件VaR研究意义重大。

The Realized volatility model based on high frequency data is a volatility measurement model , including more market information , can better reflect the market characteristics .

他们还告诫不要过于看重TIC。TIC月度数据往往波动较大，而且容易受到交易偏差的影响。

They also caution against reading too much into the Tic data , which is prone to big monthly swings and is subject to so-called transactional bias .

但是，高盛（goldmansachs）经济学家指出，中国月度外贸数据通常波动较大，4月出口数据部分受到了去年基数较大的影响。

However , economists at Goldman Sachs point out that monthly trade data are highly volatile and the April export numbers were partly affected by a high base last year .

电磁辐射多重分形Dq-q曲线的陡峭程度反映了其数据的波动程度，并用分形维数？

The steep degree of multi-fractal dimension Dq-q curve of EME can reflect the varying degree of EME series which is expressed by means of ?