coaxial line

简明释义

同轴线

英英释义

例句

1.A well-shielded coaxial line can prevent interference from external sources.

良好屏蔽的同轴线可以防止外部源的干扰。

2.The technician measured the impedance of the coaxial line before installation.

技术员在安装前测量了同轴线的阻抗。

3.You should use a high-quality coaxial line for better signal quality.

您应该使用高质量的同轴线以获得更好的信号质量。

4.We need to replace the damaged coaxial line to restore the connection.

我们需要更换损坏的同轴线以恢复连接。

5.The signal travels through the coaxial line to ensure minimal loss.

信号通过同轴线传输，以确保损失最小。

作文

In the realm of electrical engineering and telecommunications, the term coaxial line refers to a type of electrical cable that consists of a central conductor surrounded by an insulating layer, which is then enclosed by a conductive shield. This design allows for the efficient transmission of radio frequency signals with minimal interference. The structure of a coaxial line is crucial because it helps maintain the integrity of the signal over long distances, making it an essential component in various applications such as television, internet, and other communication systems.The central conductor of the coaxial line is typically made of copper or aluminum, materials known for their excellent conductivity. This conductor is responsible for carrying the electrical signals. Surrounding this conductor is a dielectric insulator, which serves to separate the inner conductor from the outer shield. The insulating material is often made from plastic or foam, providing both support and protection against external interference.The outer shield of the coaxial line is usually made of braided or solid metal, which acts as a ground and protects the internal conductor from electromagnetic interference (EMI). This shielding is particularly important in environments where multiple signals may be present, as it prevents cross-talk between different lines. The effectiveness of a coaxial line in reducing interference makes it a preferred choice for high-frequency applications.One of the most common uses of coaxial line is in cable television (CATV) systems. In these systems, the coaxial line transmits video signals from the provider to the consumer's television set. The ability of coaxial line to carry a wide range of frequencies without significant loss makes it ideal for delivering high-quality video and audio signals. Additionally, coaxial line is also used in broadband internet connections, where it provides a reliable means of transmitting data at high speeds.Moreover, coaxial line technology has evolved over the years, leading to the development of various types designed for specific applications. For instance, RG-6 and RG-59 are two common types of coaxial line cables used in residential installations. RG-6 has a larger diameter and better shielding, making it suitable for high-definition signals, while RG-59 is often used for standard definition signals.In summary, the coaxial line is an integral part of modern communication systems. Its unique construction allows for effective signal transmission while minimizing interference. Understanding the importance and functionality of coaxial line is essential for anyone involved in the fields of electronics and telecommunications. As technology continues to advance, the role of coaxial line will undoubtedly remain significant, adapting to new challenges and requirements in the ever-evolving landscape of communication technology.

在电气工程和电信领域，术语同轴线指的是一种电缆，其中央导体被绝缘层包围，外部则有导电屏蔽层。这种设计允许以最小的干扰高效传输射频信号。同轴线的结构至关重要，因为它有助于在长距离上传递信号的完整性，使其成为电视、互联网和其他通信系统等各种应用中的重要组件。同轴线的中央导体通常由铜或铝制成，这些材料以其优良的导电性而闻名。这个导体负责承载电信号。围绕这个导体的是介电绝缘体，它用于将内导体与外屏蔽分开。绝缘材料通常由塑料或泡沫制成，提供支撑并保护内部导体免受外部干扰。同轴线的外部屏蔽通常由编织或实心金属制成，起到接地作用，并保护内部导体免受电磁干扰（EMI）。这种屏蔽在多个信号可能存在的环境中尤其重要，因为它防止不同线路之间的串扰。同轴线在减少干扰方面的有效性使其成为高频应用的首选。同轴线最常见的用途之一是在有线电视（CATV）系统中。在这些系统中，同轴线将视频信号从提供商传输到消费者的电视机。同轴线能够在没有显著损失的情况下承载广泛的频率，使其非常适合传递高质量的视频和音频信号。此外，同轴线也用于宽带互联网连接，在那里它提供了一种可靠的高速数据传输方式。此外，同轴线技术多年来不断发展，导致开发出针对特定应用的各种类型。例如，RG-6和RG-59是两种常见的同轴线电缆，通常用于住宅安装。RG-6直径较大，屏蔽效果更好，适合高清信号，而RG-59通常用于标清信号。总之，同轴线是现代通信系统不可或缺的一部分。其独特的结构允许有效的信号传输，同时最小化干扰。理解同轴线的重要性和功能对于任何参与电子和电信领域的人来说都是必不可少的。随着技术的不断进步，同轴线的角色无疑会保持重要性，适应不断变化的通信技术领域的新挑战和需求。