查询词典 autocorrelation

The main research and application result is: five dynamic sampling frames with spatial autocorrelation analysis are achieved such as high-high, low-low, high-low, low-high and not significant, and finally the result of per capita agricultural total output value of Beijing with spatial stratified sampling technique is 35.80 thousand Yuan RMB, with the sampling error range is ±3.861 thousand Yuan RMB.

其结果为：动态生成"高－高集聚"、"低－低集聚"、"高－低集聚"、"低－高集聚"和"分布不明显"5个抽样框，并最终通过空间分层抽样流程得到北京市人均农业总产值的抽样调查结果为3.580万元，抽样误差的允许范围为±0.3861万元。

Land use degree of Guangzhou City is highly positive global spatial autocorrelated. The spatial autocorrelation types of Guangzhou City land use degree is distributed in a centric circle. High-high aggregation is in the central part and low-low aggregation is in the peripheral area. Non-aggregation and Sparse low-high and high-low aggregation are in the intermediate area. Decrease of Moran's I since 1995 shows the weakening of the single-center structure of land use degree.

广州市土地利用程度呈高度的正全局空间自相关，各局部空间自相关类型呈同心圆分布，中间为高高集聚，外围为低低集聚，两者之间为非集聚和零散的高低、低高集聚，呈现出单中心结构。1995年以后， Moran's I 有所下降，说明这种单中心结构在弱化。

Total 26 features about the textures and the geometry of the tumor images, including the autocorrelation coefficients, the mean square deviation coefficients, and the compact ratios, were extracted.

该系统提取了乳腺肿瘤图像归一化自相关系数、均方差系数、紧凑度等共26个纹理和几何特征。

The multiple nonlinear trend of autocorrelation function is presented for similarity search of high frequency financial data, and experiments about trend prediction of high frequency financial data have been done.

提取多元时间序列的自相关函数的多重非线性特征，以此来建立金融高频数据的相似性查找方法，并就金融高频数据的趋势预测展开具体的应用研究。

The complexity is determined by the irreducible dependence between current quantities of time series and high order historical quantities, and indicated by the attenuation trend of nonlinear partial autocorrelation.

这种复杂性由当前序列值对各阶历史序列值不可约的依赖性所决定，并被非线性偏自相关的衰减趋势所反映。

In the research of dynamic difference, based on the factors analysis of house price level, constructing similar and normal error correction model, the paper studied the determinant of short-run dynamics, and analyzed the reason of difference in autocorrelation and mean reversion.

在住房价格短期波动差异研究中，在城市房价水平影响因素分析的基础上，通过构建类似和标准误差修正模型，考察房价短期波动的决定因素，分析了房价波动自相关和均值回复表现差异的原因。

In this paper,the figure of the fundamental frequency of tone zero is researched with normalized Autocorrelation function pitch detection algorithm and some feature of tone zero is provided.

利用归一化自相关函数法研究了轻声音节基频轨迹的特点，并给出了可用于识别轻声音节的一些基本声调特征。

According to the relation between intensity Autocorrelation Function and normalized light field ACF,the effect of different baseline values on the results measured by using Photon Correlation Spectroscopy was presented.

针对光强自相关函数与归一化光场自相关函数之间的关系，指出基线值的不同会影响到颗粒粒径和分散度的测量结果。

The orthogonal transformation of independent variable did not influence the correlativity of model and could reduce the autocorrelation of independent variable.

对自变量集进行正交变换，既不影响模型的相关性，又能降低其自相关性。

The periodic autocorrelation function of p2-sequences is proved theoretically,which indicates that p2-sequences is not a 'good' sequence.

按照不同的应用背景设计序列有两个方向：一是设计具有高线性复杂度的序

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。