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statistical testing     
相关语句
  统计测试
     Statistical testing solves the problem by comparing testing chain with usage chain.
     统计测试通过比较测试过程中的使用链和测试链的差异程度来解决这个问题。
短句来源
     Research on UML-Based Statistical Testing Method
     基于UML模型的统计测试方法研究
短句来源
     On the ground of this research, this paper brought forward a UML-based statistical testing method, with the help of the UML which acted as the industry-standard.
     本文在此基础上利用作为工业标准的UML建模语言,探讨并给出了一种基于UML模型的统计测试方法。
短句来源
     Due to it's high efficiency and low costs,statistical testing is widely used at abroad and many computer aided statistical testing tool were developed such as JUMBL,ToolSET_Certify.
     统计测试以其高效率、低消耗等优点在国外得到了广泛的应用,出现了一些优秀的辅助测试工具,例如JUMBL、ToolSET Certify。
短句来源
     Software statistical testing is concerned with testing software systems based on their usage models.
     软件统计测试要求基于软件使用模型产生测试例对软件系统进行测试,并根据测试结果评价软件可靠性,是高可靠软件测试的重要组成部分.
短句来源
更多       
  统计检验
     The statistical testing results indicated that the weld joint fracture toughness of the A131 steel can either accord with normal distribution, lognormal distribution or weibull distribution.
     统计检验结果表明,A131钢环焊接头的断裂韧性δC可以符合正态分布、对数正态分布或威布尔分布。
短句来源
     In this paper,there is an introduction to calculating the critical values of several distributions in common use (i.e.normal,2,t and F distribution) in statistical testing,and the approximation and error range of these formulae are analyzed.
     对统计检验中常用的几种分布(正态、2、t和F分布)临界值的计算,经过比较与分析,推荐用与其相应的近似公式,并分析了这些公式的近似性和误差范围。
短句来源
     A DIGITAL APPROXIATION AND STATISTICAL TESTING METHOD FOR CALCULATION OF FRACTAL DIMENSION
     分形维数的一种数值计算及统计检验方法
短句来源
     Through the statistical testing,a new method to check the consistency of a judgment matrix is proposed in this paper by analyzing the relation between the induced matrix and the judgement matrix.
     通过分析判断矩阵与其导出矩阵的关系 ,提出一种检验判断矩阵一致性的统计检验方法 ;
短句来源
     Furthermore, Statistical testing method and consistent correction of judgment matrix were also discussed in detail. The methods is easy to do by computer, even by hand.
     给出了判断矩阵一致性的统计检验方法的使用条件,提出了不满足满意一致性的判断矩阵的校正新方法,所给出的方法用计算机实现非常方便,对于低阶矩阵,手工计算也非常简便.
短句来源
更多       
  统计试验
     A Stepped Statistical Testing Method for Optimized Extraction of GP Model Parameters of Bipolar Transistors
     采用统计试验法分段优化提取双极型晶体管GP直流模型参数
短句来源
     This paper discusses the whole process of solving the probability problem (the calculations of hit probability) and the non-probability problem (choosing system parameters of the missiles) by means of the method of statistical testing.
     本文论述了用统计试验法求解反坦克导弹概率问题(计算命中概率)和非概率问题(选择系统参数)的全过程。
短句来源
     THE APPLICATION OF THE METHOD OF STATISTICAL TESTING IN THE TRAJECTORY DESIGN OF ANTI-TANK MISSILES
     统计试验法在反坦克导弹弹道设计中的应用
短句来源
     Application of the Statistical Testing Method to 3D Dimension and Tolerance Design of Automotive Components
     统计试验法在汽车零部件三维尺寸及公差设计中的应用
短句来源
     Statistical Testing Research on the Methods of Parameter Estimation in Hydrological Computation
     水文频率计算中参数估计方法的统计试验研究
短句来源
更多       
  统计检测
     Statistical Testing Method on Security of Hash
     Hash算法安全性统计检测方法
短句来源
     In designing Hash, we study in detail statistical testing on security of Hash and set up an all_purpose series of statistical testing methods.
     在设计Hash算法的过程中,对Hash算法安全性的统计检测作了较深刻的研究,建立了一套对Hash算法通用的统计检测方法。
短句来源

 

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      statistical testing
    Procedural analysis, statistical testing, parameter sensitivity investigation and optimization all still need to be performed.
          
    Visual inspection and statistical testing show that the optimized PI method has forecasting skill, relative to the seismic intensity data often used as a standard null hypothesis.
          
    This paper also exemplifies the need for objective statistical testing methods in applied work.
          
    We identify various nuances and refinements of these theories, and we suggest ways in which their validation through statistical testing can be extended and improved.
          
    An algorithm of modeling two types of failures of a restored object using the method of statistical testing is proposed.
          
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    Based upon the method of statistical testing,this paper analyses and compares the methods of moments, maximum likelihood and curve-fitting in the case of Pearson type Ⅲ distribution. For the curve-fitting method, a comprehensive comparative analysis is made on seven criteria of curve fitting and mainly on the two of them-the least squares criterion φ1 andthe least absolute-values criterion φ2, as well as on the various plotting position formulas.Moreover, the role of historical flood is also examined....

    Based upon the method of statistical testing,this paper analyses and compares the methods of moments, maximum likelihood and curve-fitting in the case of Pearson type Ⅲ distribution. For the curve-fitting method, a comprehensive comparative analysis is made on seven criteria of curve fitting and mainly on the two of them-the least squares criterion φ1 andthe least absolute-values criterion φ2, as well as on the various plotting position formulas.Moreover, the role of historical flood is also examined. The results of calculation indicate that the quantity Xp derived from the moment method has a much smaller expected value EXP than the true value xp?of the population and that this is on the unsafe side. The maximum likelihood method yields somewhat better result but it cannot be accepted as a universal method because it yields no solution to Pearson Ⅲ .curve when Cs≥2. For the curve fitting method, it is found that the result is substantially affected by the criterion used for curve fitting.In general, φ2 criterion associated with Weibull formula ( abbr. in φ2-W ) may give slightly greater EXP than xpo and smaller root-mean-square error σXp. Consequently, φ2-W curve-fitting method proves to be the better one among all the methods available. The use of historical flood would usually increase EXP and decrease σXp and is, therefore, an important means to improve the computational results.

    本文采用统计试验方法,对于P-Ⅲ型曲线分析对比了矩法、极大似然法和适线法.在适线法中分析比较了七种不同的适线准则,并着重比较了其中的平方准则φ_1和绝对值准则φ_2,同时也分析比较了各种不同的经验频率公式.另外,还研究了历史洪水的作用.大量计算结果表明:矩法所得的设计值X_p,其期望值EX_p比总体真值x_p~0偏小较多,不够安全;极大似然法虽具有较好性质,但由于P-Ⅲ曲线在C≥2时似然方程无解,因此无法普遍使用;在适线法中发现适线准则对结果的影响很大,φ_2准则配合期望值公式(简记为φ_2-W)一般能使EX_p,稍大于x_p~0,较小(与矩法接近),因此φ_2-W适线法是较好的一种估计方法,应予采用.考虑历史洪水一般使EX_p增大、σx_p降低,因此是提高计算成果质量的重要措施.给出了历史洪水折算长度的参照数值,计算了历史洪水误差的影响.并修正了计算设计洪水安全改正值用的B值图.

    Quantitative structure-activity relationships used in pharmacology are described briefly,and expressed by the linear multipl regression analysis model.It is conve- nience in computer programing.several fomulae of the statistical test which represented “goodnees” of fit by thoses method are given.the methodology is illustrated and Interpreted by an example.

    本文简单描述了定量药物结构——活性分析方法,并用线性多元回归分析模型表示。这有利于电子计算机程序的编写和应用。还给出表示这些方法计算结果的几个统计检验公式。用一个例子说明方法学及其解释。

    This paper discusses the whole process of solving the probability problem (the calculations of hit probability) and the non-probability problem (choosing system parameters of the missiles) by means of the method of statistical testing. Besides, a comparison between this method and the results of the linear analytic method is made.

    本文论述了用统计试验法求解反坦克导弹概率问题(计算命中概率)和非概率问题(选择系统参数)的全过程。并将此法与线性解析法作了比较。

     
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