vacuum tube voltmeter

简明释义

真空管电压表

英英释义

例句

1.In the lab, we learned how to calibrate a vacuum tube voltmeter for accurate readings.

在实验室，我们学习了如何校准真空管电压表以获得准确的读数。

2.The vacuum tube voltmeter showed a steady reading, indicating stable voltage levels.

该真空管电压表显示出稳定的读数，表明电压水平稳定。

3.The technician used a vacuum tube voltmeter to measure the voltage in the circuit.

技术人员使用真空管电压表测量电路中的电压。

4.A vacuum tube voltmeter is often preferred for high-frequency measurements.

在高频测量中，通常更喜欢使用真空管电压表。

5.Using a vacuum tube voltmeter can help identify issues in audio equipment.

使用真空管电压表可以帮助识别音频设备中的问题。

作文

The invention of the vacuum tube revolutionized the field of electronics in the early 20th century. Among its many applications, one of the most significant was the development of the vacuum tube voltmeter, a device that enabled accurate measurement of electrical voltage. The vacuum tube voltmeter is an instrument that uses vacuum tubes to amplify and measure voltage levels in electrical circuits. This technology played a pivotal role in the advancement of electronic measurement techniques, paving the way for more sophisticated devices in the future.Initially, the vacuum tube voltmeter was used primarily in laboratory settings, where precision was critical. Unlike traditional analog voltmeters, which relied on mechanical components, the vacuum tube voltmeter offered a higher degree of accuracy and sensitivity due to its electronic nature. This made it particularly useful for testing and diagnosing complex electronic systems, such as radios and early computers.The operation of a vacuum tube voltmeter is based on the principles of thermionic emission, where electrons are emitted from a heated cathode within a vacuum tube. These electrons flow towards the anode, creating a current that can be measured. By calibrating the device, technicians could obtain precise voltage readings, which were essential for troubleshooting and ensuring the proper functioning of electronic equipment.As technology progressed, the vacuum tube voltmeter began to be replaced by more modern instruments, such as digital voltmeters. However, the significance of the vacuum tube voltmeter cannot be understated. It laid the groundwork for the development of various measurement tools that followed, influencing both the design and functionality of future devices.In addition to its technical contributions, the vacuum tube voltmeter also symbolizes a period of innovation in electronics. During the mid-20th century, engineers and inventors were exploring new ways to improve electronic devices, leading to breakthroughs in communication, computing, and consumer electronics. The vacuum tube voltmeter was at the forefront of this movement, enabling researchers to push the boundaries of what was possible in electronic measurement.Today, while we may not use vacuum tube voltmeters as frequently as before, understanding their function and impact remains important. They serve as a reminder of the evolution of technology and the foundational concepts that continue to inform modern engineering practices. For students and professionals alike, studying the vacuum tube voltmeter provides valuable insights into the history of electronics and the principles of measurement that are still relevant today.In conclusion, the vacuum tube voltmeter represents a crucial development in the field of electronic measurement. Its ability to provide accurate voltage readings laid the foundation for future innovations and continues to influence the design of modern measuring instruments. As we look back at the advancements made in electronics, the vacuum tube voltmeter stands out as a symbol of ingenuity and progress, reminding us of the importance of precision in the ever-evolving world of technology.

真空管的发明在20世纪初彻底改变了电子学领域。在其众多应用中，最重要的一项是开发了真空管电压表，这是一种能够准确测量电压的设备。真空管电压表是一种利用真空管放大和测量电路中电压水平的仪器。这项技术在电子测量技术的发展中发挥了关键作用，为未来更复杂设备的出现铺平了道路。最初，真空管电压表主要用于实验室环境中，在这些环境中，精度至关重要。与依赖机械组件的传统模拟电压表不同，真空管电压表由于其电子特性，提供了更高的准确性和灵敏度。这使得它在测试和诊断复杂电子系统（如收音机和早期计算机）时特别有用。真空管电压表的工作原理基于热电子发射的原理，即在真空管内加热阴极释放电子。这些电子流向阳极，形成可以被测量的电流。通过对设备进行校准，技术人员可以获得精确的电压读数，这对故障排除和确保电子设备正常运行至关重要。随着技术的发展，真空管电压表开始被更现代的仪器（如数字电压表）所取代。然而，真空管电压表的重要性不容小觑。它为后续各种测量工具的发展奠定了基础，影响了未来设备的设计和功能。除了其技术贡献外，真空管电压表还象征着电子学创新的一个时期。在20世纪中叶，工程师和发明家们正在探索改善电子设备的新方法，导致通信、计算和消费电子产品的突破。真空管电压表处于这一运动的前沿，使研究人员能够突破电子测量的可能界限。今天，虽然我们可能不再像以前那样频繁使用真空管电压表，但理解其功能和影响仍然很重要。它们提醒我们技术的演变以及继续影响现代工程实践的基础概念。对于学生和专业人士来说，研究真空管电压表提供了对电子学历史和至今仍然相关的测量原理的宝贵见解。总之，真空管电压表代表了电子测量领域的重要发展。它提供准确电压读数的能力为未来的创新奠定了基础，并继续影响现代测量仪器的设计。当我们回顾电子学中的进步时，真空管电压表作为智慧和进步的象征而脱颖而出，提醒我们在不断发展的技术世界中精确性的重要性。