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    The Quantized Method of Distinction in Test Quality Evalution Index System
    试卷质量评价指标区分度的量化方法
    Nonlinear Dynamic Optimization Design of Deformation Monitoring Networks Based on the Double-Separability Criterion
    以双可区分度为准则的变形监测网非线性动态优化设计
    The average of exponent r in distinction degree was(0.3036) and the standard deviation was(0.1204).
    考卷区分度分析采用区分度指数r和区分度指数D表示,区分度指数r的平均数为0.3036,标准差为0.1204;
    The average of exponent D in distinction degree was(0.2934) and the standard deviation was(0.1193).
    区分度指数D的平均数为0.2934,标准差为0.1193。
    Based on the generalized likelihood ratio test function-multiresolution likelihood ratio is defined,which cumulates the differences of background and targets at different multiresolution of Synthetic Aperture Radar(SAR) imagery,we present that classical mixture model is proposed and applied to estimate the parameters of multiresolution likelihood ratio.
    考虑定义在多分辨四叉树上的广义多分辨似然比,该似然比刻画并且累积SAR(Synthetic Aperture Radar)图像中目标与背景在不同分辨率上的差异,从而增大了目标与背景之间的区分度。 提出一种SAR图像无监督分割算法,利用经典的混合模型方法分别估计出广义多分辨似然比中一组密度函数的参数。
    CONCLUSION: 16PF in military personnel shows well differentiation, reliability and validity, and there are obvious developmental characteristics in gender, service year and military rank in personality of military personnel by 16PF.
    结论:16PF在军人群体中有较好的信度、效度和项目区分度,军人16PF的常模样本存在性别、军龄和级别特征.
    Methods Using reliability,validy and discern capability evaluated the comprehensive evaluation indexes system.
    方法采用信度、效度、区分度对综合评价指标体系进行评价。
    Items with lower discrimination coefficients were also blank-filling ones(0.15) and multiple-choice ones(0.19).
    区分度系数较低的是填空题(0.15)和单项选择题(0.19),其余的区分度都>0.4;
    COLOR EDGE DETECTION BASED ON COLOR INFORMATION DIFFERENTIABILITY
    基于彩色信息区分度的彩色边缘检测
    Discriminability Analysis of Translation Evaluation
    翻译评价方法的区分度分析
    The test time range from April 9, 2002 to April 19, 2002. We studied the reliability and validity of the OSCE after introducing CCS into the exam, and the difficulty and discrimination of CCS using educational measurement method.
    OSCE的信度为0.幻,效标锁效度为0.28(效度均以4年级认知理论综合考试为效标人CCS在本次考试中的信度为0.27,效度为0.15,平均难度为0.52,平均区分度为0.42。CCS成绩与其他几种形式的考试存在着较弱的,但有统计学显著意义的相关。
    First, we smooth the tongue picture. We detect the tongue edge by wavelets and a method of which is based on color information differentiability.
    首先,我们对舌象进行平滑去噪,再利用小波和基于彩色信息区分度的彩色边缘检测方法提取舌象边缘,获得舌面区域。
    2. The result of item analysis shows that most of the index of item discrimination were above 0.2.
    2、项目分析结果表明,各项目的鉴别力指数在0.2以上,区分度较好。
    a、B and C are the parameters to describe the characteristics of questions: a—difficulty, b—separating capacity, c—guess right parameter.
    a、b和c是描述试题特征的参数,分别代表试题的难度、区分度和准猜测参数。
    On the assumption that cepstral features is independent from glottal ones, traditional speaker models ignored the potential influences of enlarging the intra-speaker distance.
    基于声门特征和声道特征独立的假设,传统的说话人模型往往忽略了由此可能带来的说话人自身(intra-speaker)距离对于系统区分度的影响。
    An absolute quantity evaluation of candidate enterprise, ideal solution and negative ideal solution, and the relative closeness as the final evaluating indicator are adopted. The algorithm is characterized by the integration of TOPSIS and AHP. The problem of AHP in which the characteristics of evaluation indicators and the group feature of candidate enterprises cannot be indicated is solved.
    将TOPSIS方法与层次分析法(AHP)相结合,对候选盟员采用绝对的数量评价,引入理想解和负理想解的概念,以相对接近度作为评价的最终指标,提出了一个基于AHP和TOPSIS的动态联盟盟员选择算法,解决了普通AHP算法不能体现评价指标特性和候选企业集团特征的缺点,提高了算法的准确性和区分度
    (3)Analyzing discriminator, reliability and validity of the scale.
    (3)对正式问卷进行了项目区分度、信度和效度分析。
    and the average item discriminations are respectively 0.34, 0.31 and 0.30; most of the item discriminations are more than 0.3 and the item discriminations of all the items are statistically significant.
    平均区分度分别为低年级0.34,中年级0.31,高年级0.30,大多数项目区分度在0.3以上,所有项目的区分度均达显著性水平。
    The results showed that the 2×2 Table provided a simple and effective method for the calculation and test of validity, reliability, objectivity and topical discrimination.
    结果表明:2×2列联表为效度、信度、客观性及题目的区分度的估价和检验提供了简单而有效的方法;
    92.6% and 91.2% of test distinguish index is higher than 0.20. the reliabity is very high(r=0.93).
    区分度较好(rpb> 0.195,P<0.05),鉴别指数D> 0.20,分别占92.6%、91.2%; 复测信度高(r= 0.93);
 

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