electromagnetic cathode-ray tube

简明释义

电磁式阴极射线管

英英释义

A device that uses electromagnetic fields to control the direction of electron beams in a vacuum tube, typically used in older television sets and computer monitors to display images.

一种利用电磁场控制真空管中电子束方向的设备,通常用于旧式电视机和计算机显示器以显示图像。

例句

1.The first televisions used an electromagnetic cathode-ray tube (电磁阴极射线管) to display images.

第一台电视机使用了一个电磁阴极射线管 (电磁阴极射线管) 来显示图像。

2.The electromagnetic cathode-ray tube (电磁阴极射线管) was a significant advancement in display technology.

电磁阴极射线管 (电磁阴极射线管) 是显示技术的一项重要进步。

3.Older computer monitors often featured an electromagnetic cathode-ray tube (电磁阴极射线管).

较旧的计算机显示器通常配备有电磁阴极射线管 (电磁阴极射线管)。

4.In physics experiments, the electromagnetic cathode-ray tube (电磁阴极射线管) helps visualize electron behavior.

在物理实验中,电磁阴极射线管 (电磁阴极射线管) 有助于可视化电子行为。

5.The design of the electromagnetic cathode-ray tube (电磁阴极射线管) allows for high-resolution images.

设计电磁阴极射线管 (电磁阴极射线管) 使其能够显示高分辨率图像。

作文

The invention of the electromagnetic cathode-ray tube marked a significant milestone in the field of electronics and visual technology. This device, commonly known as a CRT, has played a crucial role in the development of television and computer monitors. Understanding how the electromagnetic cathode-ray tube works can provide insight into both historical and modern technologies that have shaped our daily lives. At its core, the electromagnetic cathode-ray tube operates by using electron beams to create images on a phosphorescent screen. The tube is composed of several key components: a cathode, an anode, deflection plates, and the display screen. The cathode emits electrons when heated, which are then accelerated towards the anode. Once the electrons reach the anode, they pass through the deflection plates, which are responsible for directing the electron beam to specific locations on the screen. This process is what ultimately allows for the creation of images and videos. One of the most fascinating aspects of the electromagnetic cathode-ray tube is the way it utilizes electromagnetic fields to manipulate the paths of the electrons. By applying varying voltages to the deflection plates, the device can control the direction of the electron beams with remarkable precision. This capability enabled the early pioneers of television technology to develop the first moving images, captivating audiences around the world. Historically, the electromagnetic cathode-ray tube was instrumental in the rise of the television industry in the mid-20th century. Before the advent of LCD and LED screens, CRTs dominated the market due to their ability to produce high-quality images. They provided vibrant colors and deep contrasts, making them ideal for broadcasting. However, as technology advanced, the limitations of CRTs became apparent. They were bulky, heavy, and consumed a significant amount of power compared to newer display technologies. Despite these drawbacks, the legacy of the electromagnetic cathode-ray tube continues to influence modern display technologies. Many principles derived from CRT design remain relevant today, particularly in the fields of physics and engineering. Moreover, the fundamental concept of using electron beams to create images has paved the way for innovations such as electron microscopes, which allow scientists to view microscopic structures with incredible detail. In conclusion, the electromagnetic cathode-ray tube represents a critical advancement in the history of technology. Its ability to manipulate electron beams using electromagnetic forces not only revolutionized the entertainment industry but also laid the groundwork for future innovations in imaging technology. While we may have moved on to sleeker and more efficient displays, the impact of the CRT is still felt today. Understanding this device allows us to appreciate the evolution of visual technology and its profound effect on society. As we continue to advance in the realm of electronics, the principles behind the electromagnetic cathode-ray tube will undoubtedly influence the next generation of display technologies.

电子磁阴极射线管的发明标志着电子和视觉技术领域的重要里程碑。这种设备通常被称为CRT,在电视和计算机显示器的发展中发挥了关键作用。了解电子磁阴极射线管的工作原理可以提供对塑造我们日常生活的历史和现代技术的深入了解。在其核心,电子磁阴极射线管通过使用电子束在磷光屏上创建图像。该管由几个关键组件组成:阴极、阳极、偏转板和显示屏。阴极在加热时发射电子,这些电子随后被加速到阳极。当电子到达阳极后,它们会穿过偏转板,偏转板负责将电子束引导到屏幕上的特定位置。这个过程最终使图像和视频的创建成为可能。电子磁阴极射线管最迷人的方面之一是它利用电磁场操纵电子路径的方式。通过对偏转板施加不同的电压,该设备能够以惊人的精确度控制电子束的方向。这一能力使早期的电视技术先驱能够开发出第一批动态图像,吸引了全世界的观众。从历史上看,电子磁阴极射线管在20世纪中叶电视产业的崛起中发挥了重要作用。在液晶和LED屏幕出现之前,CRT因其能够产生高质量图像而主导市场。它们提供生动的色彩和深邃的对比度,使其非常适合广播。然而,随着技术的进步,CRT的局限性变得显而易见。与更新的显示技术相比,它们笨重、沉重,并且消耗大量电力。尽管有这些缺点,电子磁阴极射线管的遗产仍然继续影响现代显示技术。许多源自CRT设计的原则在今天仍然相关,特别是在物理和工程领域。此外,利用电子束创建图像的基本概念为创新如电子显微镜铺平了道路,使科学家能够以惊人的细节观察微观结构。总之,电子磁阴极射线管代表了技术历史上的关键进步。它利用电磁力操纵电子束的能力不仅革命了娱乐产业,还为未来成像技术的创新奠定了基础。虽然我们可能已经转向更纤薄、更高效的显示器,但CRT的影响至今仍可感受到。理解这一设备使我们能够欣赏视觉技术的演变及其对社会的深远影响。随着我们在电子领域的不断进步,电子磁阴极射线管背后的原理无疑会影响下一代显示技术。

相关单词

electromagnetic

electromagnetic详解:怎么读、什么意思、用法

tube

tube详解:怎么读、什么意思、用法