cathode grid

简明释义

阴极栅

英英释义

例句

1.In electron beam applications, the cathode grid helps focus the beam for better precision.

在电子束应用中，阴极网格有助于聚焦束流以提高精度。

2.The design of the cathode grid is essential for minimizing electron scattering.

设计阴极网格对于最小化电子散射至关重要。

3.During testing, we noticed that the cathode grid was not functioning as expected.

在测试过程中，我们注意到阴极网格没有按预期工作。

4.The cathode grid plays a crucial role in the efficiency of the vacuum tube.

在真空管中，阴极网格在效率上起着至关重要的作用。

5.Adjusting the voltage across the cathode grid can significantly affect the performance of the device.

调整施加在阴极网格上的电压可以显著影响设备的性能。

作文

In the realm of electronics and physics, the term cathode grid refers to a critical component found in various types of vacuum tubes and electron devices. The cathode grid serves as an essential part of the structure that helps control the flow of electrons within these devices. Understanding the function and significance of the cathode grid can provide insights into how these technologies operate and their applications in modern electronics.The cathode grid is typically made from metal and is positioned near the cathode, which is the electrode that emits electrons when heated. When a voltage is applied to the cathode grid, it creates an electric field that influences the movement of the emitted electrons. This electric field can either attract or repel electrons, effectively controlling their flow towards the anode, which is the positively charged electrode. This process is fundamental in the operation of devices such as oscilloscopes, amplifiers, and radio transmitters.One of the primary functions of the cathode grid is to modulate the electron stream. By adjusting the voltage on the cathode grid, engineers can control the current that flows through the device. This ability to manipulate electron flow is crucial for various applications, including signal amplification and modulation. For instance, in audio amplifiers, the cathode grid allows for precise control over sound quality and volume, enhancing the listening experience.Moreover, the design of the cathode grid can significantly impact the performance of electronic devices. Different configurations can lead to variations in gain, frequency response, and overall efficiency. Engineers often experiment with different materials and shapes for the cathode grid to optimize performance for specific applications. This level of customization highlights the importance of the cathode grid in the development of advanced electronic systems.In addition to its technical functions, the cathode grid also plays a role in the longevity and reliability of electronic devices. A well-designed cathode grid can reduce wear and tear on the components, leading to longer operational life and reduced maintenance costs. As technology continues to evolve, the materials used for the cathode grid are also advancing, with researchers exploring new alloys and composites that offer better conductivity and durability.The implications of the cathode grid extend beyond traditional electronics. In modern applications like plasma displays and certain types of lasers, the principles governing the cathode grid are utilized to achieve desired outcomes. For example, in plasma screens, the manipulation of electrons is crucial for producing images, demonstrating how the cathode grid is integral to both older and contemporary technologies.In conclusion, the cathode grid is a vital element in the functioning of vacuum tubes and various electronic devices. Its ability to control electron flow makes it indispensable in applications ranging from audio amplification to modern display technologies. As innovation in electronics continues to progress, the role of the cathode grid will likely expand, paving the way for new advancements and improved efficiencies in the field. Understanding this component not only enhances our knowledge of electronic devices but also highlights the intricate connections between different elements of technology.

在电子和物理学领域，短语cathode grid指的是在各种类型的真空管和电子设备中发现的一个关键组件。cathode grid作为结构的重要组成部分，有助于控制这些设备内部电子的流动。理解cathode grid的功能和重要性，可以为我们提供关于这些技术如何运作及其在现代电子学中的应用的深入见解。cathode grid通常由金属制成，并位于阴极附近，阴极是加热时释放电子的电极。当施加电压到cathode grid上时，会产生一个电场，影响释放的电子的运动。这个电场可以吸引或排斥电子，从而有效地控制它们朝向阳极（带正电的电极）的流动。这一过程是示波器、放大器和无线电发射器等设备操作的基础。cathode grid的主要功能之一是调制电子流。通过调整cathode grid上的电压，工程师可以控制流经设备的电流。这种操控电子流的能力对于各种应用至关重要，包括信号放大和调制。例如，在音频放大器中，cathode grid允许对音质和音量进行精确控制，从而增强听觉体验。此外，cathode grid的设计会显著影响电子设备的性能。不同的配置可能导致增益、频率响应和整体效率的变化。工程师们常常尝试不同的材料和形状的cathode grid，以优化特定应用的性能。这种定制化的程度突显了cathode grid在先进电子系统开发中的重要性。除了技术功能外，cathode grid还在电子设备的耐用性和可靠性中发挥作用。设计良好的cathode grid可以减少组件的磨损，从而延长操作寿命并降低维护成本。随着技术的不断发展，用于cathode grid的材料也在进步，研究人员正在探索新的合金和复合材料，以提供更好的导电性和耐用性。cathode grid的含义超越了传统电子学。在现代应用中，如等离子显示器和某些类型的激光器，操控电子的原理被用于实现所需的结果。例如，在等离子屏幕中，电子的操控对于产生图像至关重要，展示了cathode grid在旧技术和当代技术中的重要性。总之，cathode grid是真空管和各种电子设备功能中的一个重要元素。它控制电子流的能力使其在从音频放大到现代显示技术等应用中不可或缺。随着电子技术的不断进步，cathode grid的角色可能会扩大，为该领域的新进展和效率改进铺平道路。了解这一组件不仅增加了我们对电子设备的知识，还突显了技术不同元素之间的复杂联系。