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    • 3. 发明申请
    • Structure for capacitance measurement
    • 电容测量结构
    • US20020101252A1
    • 2002-08-01
    • US09846736
    • 2001-04-30
    • National Science Council
    • Huang-Chung ChengGwo-Yann LeeCheng-Jer Yang
    • G01R027/26
    • G01R27/2605
    • A structure for being used in measuring a capacitance of a capacitor is provided. The structure includes a plurality of input terminals having an operating voltage and an operating frequency, a first quasi-inverting circuit having a first parasitic capacitor for generating a first current and electrically connected with the input terminals, a second quasi-inverting circuit having a second parasitic capacitor and a first reference capacitor for generating a second current and electrically connected with the first quasi-inverting circuit, and a third quasi-inverting circuit having the capacitor, a third parasitic capacitor and a second reference capacitor for generating a third current and electrically connected with the quasi-inverting circuit.
    • 提供了用于测量电容器的电容的结构。 该结构包括具有工作电压和工作频率的多个输入端子,具有用于产生第一电流并与输入端子电连接的第一寄生电容器的第一准反相电路,具有第二电容器的第二准反相电路, 寄生电容器和用于产生第二电流并与第一准反相电路电连接的第一参考电容器和具有电容器的第三准反相电路,第三寄生电容器和第二参考电容器,用于产生第三电流和电 与准反相电路连接。
    • 10. 发明申请
    • Method for automation of dynamic test item collection and assessment
    • 动态测试项目收集和评估的自动化方法
    • US20020160348A1
    • 2002-10-31
    • US10108505
    • 2002-03-29
    • National Science Council of Republic of China
    • Ying-Dar LinTsung-Shun WuHuan-Yun WeiChien Chou
    • G09B007/00
    • G09B7/08
    • Keywords: computer assisted test, test assessment, test collection, distant learning. The main problem with the network test base system is that there are neither sufficiently many nor good enough test items. To satisfy these two points, there must be more test item resources and a mechanism for assessing test items to determine whether a test item should stay in the test base. The present invention provides a method for automation of dynamic test item collection and assessment, which allows teacher and students to contribute test items to the test base and each independently managed test base can share test items. This can make the test base rapidly grow and expand the size of a test base. The more independent the student are, the higher the applicability of this method is. For assessing the quality of a test item, the present invention modifies a conventional internal consistency analysis, which can immediately change the discriminations of the test items once a student finishes the test, but does not need to wait until all students finish the test like all traditional assessment analysis. This method is called the dynamic weighted internal consistency analysis.
    • 关键词:计算机辅助测试,测试评估,测试收集,远程学习。 网络测试基础系统的主要问题是既没有足够多的也没有足够的测试项目。 为了满足这两点,必须有更多的测试项目资源和评估测试项目的机制来确定测试项目是否应该留在测试基础中。 本发明提供一种动态测试项目收集和评估自动化的方法,允许教师和学生向测试基础提供测试项目,并且每个独立管理的测试基础可共享测试项目。 这样可以使测试基地快速增长并扩大测试基地的大小。 学生的独立性越高,这种方法的适用性就越高。 为了评估测试项目的质量,本发明修改了常规的内部一致性分析,其可以在学生完成测试之后立即改变测试项目的鉴别,但不需要等到所有学生完成所有测试 传统评估分析。 这种方法称为动态加权内部一致性分析。