operating characteristic

简明释义

使用特性

英英释义

A statistical measure that describes the performance of a test or system in terms of its ability to correctly identify true positives and true negatives.

描述测试或系统在正确识别真阳性和真阴性方面的性能的统计指标。

Often used in the context of quality control and reliability engineering, it helps in understanding the likelihood of a system's operational success under varying conditions.

通常用于质量控制和可靠性工程的背景下,帮助理解在不同条件下系统操作成功的可能性。

例句

1.The engineer analyzed the system's operating characteristic to optimize its performance.

工程师分析了系统的操作特性以优化其性能。

2.The operating characteristic of the software affects user experience significantly.

软件的操作特性显著影响用户体验。

3.Understanding the operating characteristic of the machinery is crucial for maintenance.

理解机械的操作特性对于维护至关重要。

4.The report highlighted the operating characteristic of different battery types.

报告强调了不同电池类型的操作特性

5.We conducted tests to determine the operating characteristic of the new engine design.

我们进行了测试,以确定新发动机设计的操作特性

作文

In the realm of statistics and quality control, the term operating characteristic refers to a crucial concept that helps in understanding the performance of a statistical test or a quality control process. The operating characteristic curve, often abbreviated as OC curve, is a graphical representation that illustrates the relationship between the probability of accepting a lot and the true proportion of defective items in that lot. This relationship is vital for manufacturers and quality assurance professionals who aim to maintain high standards while minimizing costs.To comprehend the significance of the operating characteristic curve, we must first delve into its components. The x-axis of the OC curve typically represents the fraction defective, which indicates the percentage of defective items in a sample. Meanwhile, the y-axis shows the probability of accepting that sample based on a predefined acceptance criterion. By plotting these two variables, the OC curve provides a visual tool for evaluating how well a sampling plan performs under varying conditions of defectiveness.One of the primary applications of the operating characteristic curve is in the development of acceptance sampling plans. These plans are essential in manufacturing processes where it is impractical to inspect every single item produced. Instead, a random sample is taken, and based on the results of this sample, decisions are made about the entire lot. The OC curve helps determine the likelihood of accepting lots with different levels of quality, allowing businesses to optimize their sampling strategies.Furthermore, understanding the operating characteristic curve can also aid in risk management. For instance, if a company knows that a certain level of defectiveness will lead to rejection of the lot, they can implement more stringent quality control measures to reduce the probability of producing defective items. This proactive approach not only enhances product quality but also boosts customer satisfaction and trust in the brand.In addition to its application in quality control, the concept of operating characteristic extends beyond manufacturing. In fields such as medical testing, the operating characteristic curve can be used to evaluate the effectiveness of diagnostic tests. Here, the true positive rate is plotted against the false positive rate to create a receiver operating characteristic (ROC) curve. This curve helps healthcare professionals assess the trade-offs between sensitivity and specificity, ultimately guiding them in selecting the most appropriate test for a given situation.Moreover, the operating characteristic concept is critical in decision-making processes across various domains. Whether it’s in finance, marketing, or engineering, understanding the implications of acceptance criteria and their corresponding probabilities can significantly influence strategic planning. By analyzing the operating characteristic curves relevant to their field, professionals can make informed decisions that align with their organizational goals.In conclusion, the term operating characteristic encapsulates a broad yet vital concept in statistical analysis and quality control. Its application through the operating characteristic curve allows for better decision-making, risk management, and quality assurance across various industries. As businesses strive for excellence, mastering the intricacies of the operating characteristic becomes imperative for sustaining competitive advantage and ensuring long-term success.

在统计学和质量控制领域,术语操作特性指的是一个关键概念,有助于理解统计检验或质量控制过程的性能。操作特性曲线,通常缩写为OC曲线,是一种图形表示,展示了接受一批货物的概率与该批货物中缺陷项目的真实比例之间的关系。这种关系对于制造商和质量保证专业人员来说至关重要,他们旨在保持高标准,同时降低成本。要理解操作特性曲线的重要性,我们必须首先深入其组成部分。OC曲线的x轴通常代表缺陷比例,表示样本中缺陷项目的百分比。与此同时,y轴显示基于预定义接受标准接受该样本的概率。通过绘制这两个变量,OC曲线提供了一种可视化工具,用于评估采样计划在不同缺陷条件下的表现。操作特性曲线的主要应用之一是在接受采样计划的开发中。这些计划在制造过程中至关重要,因为检查每个生产的项目是不切实际的。相反,随机抽取一个样本,并根据该样本的结果对整个批次做出决策。OC曲线帮助确定在不同质量水平下接受批次的可能性,使企业能够优化其采样策略。此外,理解操作特性曲线还可以帮助风险管理。例如,如果一家公司知道某个缺陷水平将导致批次被拒绝,他们可以实施更严格的质量控制措施,以减少生产缺陷项目的概率。这种主动的方法不仅提高了产品质量,还增强了客户满意度和对品牌的信任。除了在质量控制中的应用,操作特性的概念还扩展到制造业以外。在医学检测等领域,操作特性曲线可用于评估诊断测试的有效性。在这里,真正的阳性率与假阳性率绘制在一起,以创建接收者操作特性(ROC)曲线。这条曲线帮助医疗专业人员评估灵敏度和特异性之间的权衡,最终指导他们选择最适合特定情况的测试。此外,操作特性的概念在各个领域的决策过程中至关重要。无论是在金融、市场营销还是工程领域,理解接受标准及其相应概率的含义都可以显著影响战略规划。通过分析与其领域相关的操作特性曲线,专业人士可以做出符合组织目标的明智决策。总之,术语操作特性概括了统计分析和质量控制中的广泛而重要的概念。通过操作特性曲线的应用,可以在各个行业中实现更好的决策、风险管理和质量保证。随着企业追求卓越,掌握操作特性的细微差别对于维持竞争优势和确保长期成功变得至关重要。

相关单词

operating

operating详解:怎么读、什么意思、用法