ground antenna

简明释义

地面天线

英英释义

例句

1.The ground antenna plays a crucial role in maintaining communication with the spacecraft.

该地面天线在维持与航天器的通信中起着至关重要的作用。

2.The ground antenna was designed to withstand harsh weather conditions.

该地面天线被设计成能够承受恶劣的天气条件。

3.The technician installed a new ground antenna to improve the satellite signal reception.

技术员安装了一个新的地面天线以改善卫星信号接收。

4.Before launching the drone, ensure that the ground antenna is properly calibrated.

在启动无人机之前，确保地面天线已正确校准。

5.We need to replace the old ground antenna as it is no longer functioning effectively.

我们需要更换旧的地面天线，因为它已经无法有效工作。

作文

In the world of telecommunications, the role of antennas cannot be overstated. Among various types of antennas, the ground antenna plays a crucial role in ensuring effective communication. A ground antenna (地面天线) is typically designed to operate at low frequencies and is often used for broadcasting and receiving radio signals. Its design allows it to be installed directly on the ground, which is essential for its functionality. The primary advantage of a ground antenna is its ability to utilize the Earth as a reflective surface for radio waves. This characteristic enhances the antenna's range and improves signal quality, making it an ideal choice for many applications. For instance, amateur radio operators frequently use ground antennas for their ease of installation and effectiveness in low-frequency bands. Moreover, ground antennas can be constructed in various forms, including vertical and horizontal configurations. The vertical ground antenna is particularly popular due to its omnidirectional radiation pattern, which allows it to transmit and receive signals from all directions. This feature is especially beneficial for emergency communication systems, where reliable connectivity is paramount. Another important aspect of ground antennas is their cost-effectiveness. Compared to other types of antennas, such as satellite or tower-mounted antennas, ground antennas require less infrastructure and are easier to maintain. This makes them accessible for both individual users and small organizations seeking to establish communication networks without incurring significant costs. However, like any technology, ground antennas have limitations. Their performance can be affected by environmental factors such as soil conductivity, moisture levels, and nearby structures. For optimal performance, it is essential to carefully select the installation site and consider these variables during the planning phase. In conclusion, the ground antenna (地面天线) is a vital component in the field of communication technology. Its unique design and operational advantages make it suitable for various applications, particularly in amateur radio and emergency communication. As technology continues to evolve, the significance of ground antennas will likely remain, providing a reliable means of connecting people and facilitating information exchange across distances. Understanding the fundamentals of ground antennas is essential for anyone interested in telecommunications, as they represent a foundational element in the complex network of communication systems that shape our modern world.

在电信的世界中，天线的作用不容小觑。在各种类型的天线中，地面天线（ground antenna）发挥着至关重要的作用，确保有效的通信。地面天线通常设计用于低频操作，常用于广播和接收无线电信号。其设计允许它直接安装在地面上，这对其功能至关重要。地面天线的主要优点是能够利用地球作为无线电波的反射面。这一特性增强了天线的范围并改善了信号质量，使其成为许多应用的理想选择。例如，业余无线电操作员经常使用地面天线，因为它们易于安装且在低频段中效果显著。此外，地面天线可以以多种形式构建，包括垂直和水平配置。垂直地面天线特别受欢迎，因为它具有全向辐射模式，允许它从各个方向发送和接收信号。这一特性对于紧急通信系统尤其有利，因为可靠的连接至关重要。另一个重要方面是地面天线的成本效益。与其他类型的天线（如卫星或塔式天线）相比，地面天线需要的基础设施较少，维护也更简单。这使得它们对于希望建立通信网络而不产生重大费用的个人用户和小型组织来说变得可及。然而，像任何技术一样，地面天线也有其局限性。其性能可能受到环境因素的影响，如土壤导电性、湿度水平和附近结构。为了获得最佳性能，在规划阶段仔细选择安装地点并考虑这些变量至关重要。总之，地面天线（ground antenna）是通信技术领域的重要组成部分。其独特的设计和操作优势使其适合各种应用，特别是在业余无线电和紧急通信中。随着技术的不断发展，地面天线的重要性可能依然存在，为人们提供可靠的连接方式，促进跨距离的信息交流。了解地面天线的基本知识对于任何对电信感兴趣的人来说都是必不可少的，因为它们代表了塑造我们现代世界的复杂通信系统中的基础元素。