test pattern

简明释义

测试模式

英英释义

例句

1.He explained how to generate a test pattern for the new graphics card.

他解释了如何为新的显卡生成一个测试图案。

2.The broadcast station displayed a test pattern during the transmission downtime.

广播站在传输停机期间显示了一个测试图案。

3.The technician used a test pattern to calibrate the monitor.

技术人员使用了一个测试图案来校准显示器。

4.To ensure quality, we always run a test pattern before finalizing any software.

为了确保质量，我们在最终确定任何软件之前总是运行一个测试图案。

5.Using a test pattern is essential for adjusting the color settings of the printer.

使用测试图案对于调整打印机的颜色设置至关重要。

作文

In the world of technology and media, the term test pattern refers to a visual signal used for calibrating and testing television sets and broadcast systems. A test pattern is typically a geometric design that includes various shapes, colors, and patterns. These patterns are essential for engineers and technicians to ensure that the equipment is functioning correctly and producing accurate images. The use of a test pattern can be traced back to the early days of television when engineers needed a reliable way to test and adjust the quality of their broadcasts.One of the most famous test patterns is the 'Indian Head' test card, which was widely used in the United States during the mid-20th century. This iconic image featured an Indian chief's head surrounded by colorful geometric shapes. When viewers saw this test pattern on their screens, they knew that the station was either starting up for the day or undergoing maintenance. The test pattern served a practical purpose, allowing technicians to check the alignment and color balance of the broadcast signal.Today, while the use of traditional test patterns has diminished with the advent of digital broadcasting, the concept remains relevant in various fields. For instance, in software development and quality assurance, a test pattern can refer to a set of predefined conditions or scenarios used to evaluate the performance and reliability of software applications. By using these test patterns, developers can identify bugs and ensure that the software meets the required standards before it is released to the public.Moreover, in educational settings, a test pattern can also refer to a structured approach to assessing students' knowledge and skills. Educators often create test patterns that outline the types of questions and topics that will be covered in an exam, helping students prepare effectively. This structured approach not only aids in studying but also allows teachers to evaluate student performance systematically.In conclusion, the concept of a test pattern extends beyond its original application in television broadcasting. It represents a fundamental principle of testing and evaluation across various disciplines. Whether in technology, software development, or education, test patterns play a crucial role in ensuring quality and reliability. Understanding the significance of test patterns helps us appreciate the meticulous processes behind the scenes that contribute to the seamless experiences we often take for granted in our daily lives.

在科技和媒体的世界中，术语测试图案指的是用于校准和测试电视机及广播系统的视觉信号。测试图案通常是一个几何设计，包含各种形状、颜色和图案。这些图案对于工程师和技术人员确保设备正常运作并产生准确图像至关重要。测试图案的使用可以追溯到电视早期，当时工程师需要一种可靠的方法来测试和调整广播质量。最著名的测试图案之一是“印第安人头部”测试卡，在20世纪中叶广泛用于美国。这个标志性的图像展示了一位印第安酋长的头部，周围环绕着多彩的几何形状。当观众在屏幕上看到这个测试图案时，他们知道该电台要么开始一天的播出，要么正在进行维护。测试图案具有实用目的，使技术人员能够检查广播信号的对齐和色彩平衡。如今，随着数字广播的出现，传统的测试图案使用有所减少，但这一概念在各个领域仍然相关。例如，在软件开发和质量保证中，测试图案可以指一组预定义的条件或场景，用于评估软件应用程序的性能和可靠性。通过使用这些测试图案，开发人员可以识别错误，并确保软件在发布给公众之前符合要求的标准。此外，在教育环境中，测试图案也可以指一种结构化的方法，用于评估学生的知识和技能。教育工作者经常创建测试图案，概述考试中将涵盖的问题类型和主题，帮助学生有效准备。这种结构化的方法不仅有助于学习，还使教师能够系统地评估学生表现。总之，测试图案的概念超越了其在电视广播中的原始应用。它代表了各个学科中测试和评估的基本原则。无论是在技术、软件开发还是教育中，测试图案在确保质量和可靠性方面都发挥着至关重要的作用。理解测试图案的重要性有助于我们欣赏那些在幕后为我们日常生活中常常被视为理所当然的无缝体验做出贡献的细致过程。