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非统计     
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  non-statistical
     This paper investigates the non-statistical effects in ~(27)Al(n, γ) and ~(28)Si(n, γ) reactions.
     本文研究~(27)Al(n,γ)和~(28)Si(n,γ)反应的非统计效应.
短句来源
     By sentence,the recalling rate of the non-statistical model based on 2-shortest-paths method is 99.73 % .
     按句子进行统计,2-最短路径非统计粗分模型的召回率为99.73%;
短句来源
     First,the new scheme of a lossless data compression based on neural network is given by using non-statistical method.
     本文首先采用非统计的方法给出了基于神经网络的无损数据压缩新方案。
短句来源
     REGULATION AND ERROR FORECAST OF MANUFACTURE SYSTEM USING NON-STATISTICAL THEORY
     制造系统的非统计调整与误差预测
短句来源
     The verification results are given through designing evaluation experiment, establishing mathematical models, analyzing resources of uncertainty, estimating distribution, evaluating Type A and Type B uncertainty by using statistical methods or non-statistical methods, combining them on the basis of the Law of propagation of uncertainty, and calculating the overall degrees of freedom.
     通过设计评定实验,建立数学模型,分析不确定度来源,运用统计方法和非统计方法,估算概率分布,分别对各不确定度分量进行A类和B类评定,最后根据不确定度传播率合成,并计算出总自由度,给出检定结果。
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  non-statistics
     Thought on the Reform of Statistics Teaching for Non- statistics Majars in Adult Institutes
     成人院校非统计专业统计学教学改革的思考
短句来源
     Based on the feature of statistics teaching for non-statistics majors,the essay analyses its main existing problems and suggests some solutions such as stressing application in teaching contents,implementing case teaching and etc.
     针对非统计专业统计学教学的特殊性 ,分析了非统计专业统计学教学的主要问题 ,并根据教学体会和经验 ,提出了其教学内容应侧重应用、实施统计案例教学等建议
短句来源
     The objectives of the higher education of statistics decide the basic content of the statistical quality of non-statistics major students, including excellent political quality, advanced statistical thoughts, concepts and consciousness.
     统计高等教育的培养目标决定了非统计专业高等教育对象的统计素质的基本内容 :优良的政治素质是第一保证 ,同时必备先进的统计思想、统计理念和统计意识。
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     A Discussion on Statistics Teaching for Non-statistics Majors in Economics Colleges
     浅议财经类院校非统计专业的统计学教学
短句来源
     The Reformation of Statistics Teachig of Non - Statistics Major in jurnior Colleges
     专科院校非统计专业统计学教学改革初探
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  non statistical
     The double wave theory is a non statistical quantum theory and a new proe of drterministic theory.
     双波理论是一种非统计量子力学理论 ,它是决定性理论的一种新尝试。
短句来源
  non-statistic
     POSSIBILITY-EVIDENCE:A KNOWLEDGE REPRESENTATION FOR NON-STATISTIC UNCERTAINTY INFORMATION
     可能性证据——非统计不确定性信息的一种知识表示方法
短句来源
     A Non-statistic Method for Testing and Selecting Additional Parameters
     附加参数检验与选择的非统计方法
短句来源
     This paper suggests a non-statistic method for testing and selecting additional parameters.
     提出了一对附加参数进行检验与选择的非统计方法。
短句来源
     Objective To design and develop a statistic software in common use for the non-statistic professional.
     目的开发一个包含常用的医学统计方法的实用软件,供非统计专业人员使用。
短句来源
     Conclusion The software was fit for the non-statistic professional, it could save the charge of buying large professional statistic software, and it was appropriate for the situation of our country.
     结论该软件适合非统计专业人员使用,可以节约购买大型专业统计软件的费用,适合我国的国情。
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  non-statistical
The analysis of this metastability reveals that the actual distribution fN,M of products Au7(CO)M- in the reactor may be highly non-statistical, e.g.
      
The double wave theory (DWT), sometimes called the "non-statistical quantum mechanics" by its proposer, describes the state of each single particle in an ensemble with two wave functions which have a parameter corresponding to the particle.
      
Non-statistical effects for inelastic proton amplitudes in49V
      
A variety of non-statistical effects are observed, including one case in which the effect occurs only in the signs, and not in the magnitudes of the amplitudes.
      
In addition it is shown that the decay of the capture state is non-statistical and that there is a strong correlation between the strengths of excitation of levels by the (n, γ) and (d, p) reactions.
      
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  non-statistics
In Slovenia, the teachers of statistics at high schools and at universities are often non-statistics experts.
      
  non statistical
Non statistical reaction contributions in (α, n) excitation functions
      
This is probably connected with the previously observed non statistical behavior of gamma rays emitted in coincidence with projectile-like fragments.
      
The latter states are observed as anomalous (non statistical) population in the final state interactions in thep+9Be channel in various heavy ion collisions.
      
A non statistical significant two-fold increase in free GABA levels was also encountered in the CSF of patients affected by cerebrovascular disease and viral encephalitis.
      
These problems are particularly severe where data had to be collected by non statistical sources, like annual reports or rector conference reports.
      
  non-statistic
ID contrast, the CMS synthesized via reactive microstructure reveals a preferred substitution ID position 6 and a non-statistic distribution of the carboxymethyl groups along the chain.
      
  其他


In this paper, the fundamentals of the maximum entropy deconvolu-tion (MEDEC) has been expounded by the author theoretically. It has been proved that only when the impulse response of the earth is in a white noise sequence and the wavelet is in its minimum phase, the inverse of the predicting filter of the MEDEC can thus be in the minimum phase type and the error sequence of the predicated filtering output of the seismic sequence can be equal to the estimated values of the impulse response of the earth. The...

In this paper, the fundamentals of the maximum entropy deconvolu-tion (MEDEC) has been expounded by the author theoretically. It has been proved that only when the impulse response of the earth is in a white noise sequence and the wavelet is in its minimum phase, the inverse of the predicting filter of the MEDEC can thus be in the minimum phase type and the error sequence of the predicated filtering output of the seismic sequence can be equal to the estimated values of the impulse response of the earth. The origin of the error was analysed and was proved by modelling.Claerbout holds that the partial correlation coefficients in Burg recursive calculation could be considered as the reflection coefficients of the earth. But this only fit for the case when the formation is in Gou-pilan pattern and when the wavelet of the deep source is in white noise. Hence, we shouldn't hold the explanation made by Claerbout to be the theoretical fundamental of MEDEC.

本文阐明了最大熵反褶积(MEDEC)的理论根据,并证明:仅当地层脉冲响应为白噪序列和子波为最小相位时,MEDEC预测滤波器的逆为子波的最小相型,地震序列预测滤波输出的误差序列等于地层脉冲响应的估值;同时还分析了它的误差来源;模拟实例证实了以上分析.阐明克莱鲍特(Claerbout)将伯格(Burg)递推中的偏相关系数看成层反射系数的解释,只适应于Goupilau型地层中深部震源子波为白噪的模型,而不能把他的解释误解为MEDEC的理论根据.作者提出一种使褶积序列中子波最小相位化的滤波器G(z)的求法:将G(z)=S(z~(-1))/Sm(z~(-1))用升幂长除展开,即提G(z)的时间响应g(n),这是一种精确算法而非统计估计.这里定义S(n)为子波,S_m(n)为它的最小相型,S(z)=(s(n)),S_m(z)=z(S_m(n)).作者还导出一个多项式长除的快速递推公式,它不仅可以求解上述最小相位化滤波器,还可以以求有理分式型系统或信号z变换的反变换.

Engineering materials always contains defects, such as dislocations, inclusions, cracks---, and many material physical properties are considerably changed by their presence. Specific investigations of their effects on the mechanical properties of materials can be backdated to Taylor's work on dislocations (1934 ( 1 )) , Eshel-by's elegant method on inclusions (1961 (2)) ,Bristow's study on microcracked solids (1960 (3)) , and Hashin and Shtrikman's powerful variational principle on inhomogeneous materials (1962...

Engineering materials always contains defects, such as dislocations, inclusions, cracks---, and many material physical properties are considerably changed by their presence. Specific investigations of their effects on the mechanical properties of materials can be backdated to Taylor's work on dislocations (1934 ( 1 )) , Eshel-by's elegant method on inclusions (1961 (2)) ,Bristow's study on microcracked solids (1960 (3)) , and Hashin and Shtrikman's powerful variational principle on inhomogeneous materials (1962 ( 4 )) .]t is known, however, that those non-statistical approaches do give reasonable estimates for the effective mechanical properties for some defectuous materials but they fail for others.This is due to the fact that the periodic defect array model or random model used in these approaches does not accurately represent the micro-structure of the material.Some improved models accounting for the material micro-structure are tnerefore needed. In real materials,too the different types of defects often co-exist. However, each of them was treated in a different way. It would be therefore convenient to find. a unified approach for the treatment of different types of defects.The purposes of this paper are concerned with the answering to these two problems. Using the approach of elastic multipole modeling of defects originated by Siems (5) , Kovacs (6) , Zhon. and Hsieh (7,8) , we develop accordingly a statistical theory based on micromechanics analysis which would make it possible to set up a bridge between the macroscopic continuum approximation and the discrete microstructure of micro-defects, and to derive the macro-properties of all types of solid defects from a common basis.Two illustrations are given. The first one is concerned with the study of the interaction of a macrocrack with distributed microcracks in an elastic solid.In this problem, the usual assumption of a uniform effective field for the treatment of cracked solids (see Hill (9) and Budiansky (10))may be not suitable since the existence of the macrocrack in a microcracked solid makes the stress field near the macrocrack tip varies rapidly. This has been noticed by Chudnovsky and Kachanov (1983 (11)) who studied the two-dimensional interaction of a crack with a field of microcracks distributed in the vicinity of the main crack, and by Zhon and Hsieh-(1984(l2))who gave the results of three-dimensional interaction of a crack with a field of micro-defects(including microcracks)in an elastic solid. These considerations based on a generalized self-consistent method, in which the effective stress field may be non-usiform, however arrived at a system of linear algebraic equations for the determination of large number of unknown-values of effective stress fields at the defect "centers" although they can be solved exactly in principle. Through this statistical theory, an attempt is made to reduce such a phenomenon resulting from the analysis of any discrete microstructure system to an appropriate macroscopic continuum approximation.In the case of the interaction problem, the system of discrete linear algebraic equations is reduced to a self-consistent linear integral equation for the determination of the average effective stress field, which may be solved more easily.The second application is concerned with the determination of effective elastic moduli of solids with micro-defects which maybe statistically inhomogeneous.

工程材料或多或少地含有某些缺陷,如位错,夹杂物,裂纹等等。这些缺陷的存存,往往严重地影响材料的物理性质。关于缺陷对材料机械性质的影响的专门研究可以追溯到1934年Taylor关于位错的工作,1961年Eshelby处理非均匀夹质物的巧妙方法,1960年Bristow关于含有微观裂纹的弹性体的研究以及1962年Hashin和Shtrikman处理非均匀弹性材料的变分原理。 我们知道这些非统计的方法确实能对某些含有缺陷的材料的有效机械性质给出合理的估计,但是在另外一些情形它们却不适用。这是由于在这些方法中所使用的缺陷的周期分布或均匀随机分布的假定并不真实地反映了材料的微观结构。因此有必要研究某种能考虑到材料微观结构的模型。此外,在实际材料中,不同类型的缺陷往往同时存在。可是以往处理不同的缺陷却要使用不同的方法。因此寻找出一种统一处理的方法可以使问题得以简化。 本文的目的就是要试图解决这两个问题。使用由Siems,Kovacs以及Zhou和Hsieh等发展起来的模拟缺陷的弹性多极子方法,对应地我们发展一个基于微观力学分析的统计理论。这个理论使我们有可能在缺陷的离散微观结构与宏观的连续近似之间建立起一座桥...

工程材料或多或少地含有某些缺陷,如位错,夹杂物,裂纹等等。这些缺陷的存存,往往严重地影响材料的物理性质。关于缺陷对材料机械性质的影响的专门研究可以追溯到1934年Taylor关于位错的工作,1961年Eshelby处理非均匀夹质物的巧妙方法,1960年Bristow关于含有微观裂纹的弹性体的研究以及1962年Hashin和Shtrikman处理非均匀弹性材料的变分原理。 我们知道这些非统计的方法确实能对某些含有缺陷的材料的有效机械性质给出合理的估计,但是在另外一些情形它们却不适用。这是由于在这些方法中所使用的缺陷的周期分布或均匀随机分布的假定并不真实地反映了材料的微观结构。因此有必要研究某种能考虑到材料微观结构的模型。此外,在实际材料中,不同类型的缺陷往往同时存在。可是以往处理不同的缺陷却要使用不同的方法。因此寻找出一种统一处理的方法可以使问题得以简化。 本文的目的就是要试图解决这两个问题。使用由Siems,Kovacs以及Zhou和Hsieh等发展起来的模拟缺陷的弹性多极子方法,对应地我们发展一个基于微观力学分析的统计理论。这个理论使我们有可能在缺陷的离散微观结构与宏观的连续近似之间建立起一座桥梁,并且可以使我们从一个共同的基础上导出各种类型的缺陷体的宏观性质。 作为这个理论的具体应用,文中

In this paper the incompleteness of the convergence properties given by widrow are pointed out, ard then based on the nonstatistical analysis of LMS algorithm, the factors affecting the convergence rate are turned out to be the eigenvalues spread of the so-called signal sample correlation matrix but not those of widrow's statistical Correlation matrix.

本文首先指出了Widrow给出的自适应最小均方(LMS)算法权收敛规律的缺陷,进而通过对LMS算法的非统计分析,首次指出了影响收敛速度的因素是信号样本相关阵的本征值的范围。

 
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