rotary antenna

简明释义

旋转天线

英英释义

例句

1.The drone is equipped with a rotary antenna for enhanced communication range.

这架无人机配备了旋转天线以增强通信范围。

2.The satellite dish uses a rotary antenna to receive signals from space.

卫星天线使用旋转天线从太空接收信号。

3.The rotary antenna on the roof helps improve the signal strength for the TV.

屋顶上的旋转天线有助于提高电视的信号强度。

4.During the storm, the rotary antenna was able to maintain its alignment with the satellite.

在暴风雨中，旋转天线能够保持与卫星的对准。

5.Engineers designed a new rotary antenna that can rotate 360 degrees.

工程师设计了一种新的旋转天线，可以旋转360度。

作文

In the world of communication technology, the role of antennas cannot be overstated. Among the various types of antennas, the rotary antenna stands out due to its unique functionality and versatility. A rotary antenna is designed to rotate in order to receive or transmit signals from different directions. This feature is particularly useful in applications where the source of the signal may not be stationary, such as in satellite communications or mobile radio systems. The mechanics behind a rotary antenna involve a motor-driven system that allows the antenna to turn smoothly. This rotation enables the antenna to track signals more effectively, ensuring a stronger and clearer reception. For instance, in maritime environments, ships often utilize rotary antennas to maintain communication with shore stations and other vessels. The ability to pivot allows these antennas to stay aligned with moving satellites or other dynamic signal sources.Moreover, rotary antennas are commonly used in television broadcasting and amateur radio. In these contexts, they provide a significant advantage by allowing users to adjust the direction of the antenna according to the location of the broadcast tower. This adaptability can enhance signal quality and reception, leading to a better viewing or listening experience.In addition to their practical applications, rotary antennas also play a critical role in various scientific research fields. For example, they are essential in radio astronomy, where researchers need to capture faint signals from celestial bodies. The ability to rotate the antenna enables scientists to scan vast areas of the sky, collecting data that would otherwise be impossible to obtain.Despite their advantages, rotary antennas do have some limitations. Their mechanical components can be prone to wear and tear, necessitating regular maintenance to ensure optimal performance. Additionally, in certain environments, such as urban areas with high buildings, the effectiveness of a rotary antenna may be compromised due to signal obstructions.Overall, the rotary antenna remains an invaluable tool in modern communication and research. Its ability to adapt to various signal sources and environments makes it a preferred choice for many applications. As technology continues to evolve, the design and efficiency of rotary antennas are likely to improve, further solidifying their importance in the field of telecommunications and beyond. Understanding the functionality and significance of a rotary antenna is crucial for anyone interested in the advancements of communication technology and its impact on our daily lives.

在通信技术的世界中，天线的作用不可低估。在各种类型的天线中，旋转天线因其独特的功能和多样性而脱颖而出。旋转天线旨在旋转以接收或传输来自不同方向的信号。这一特点在信号源可能不固定的应用中尤为有用，例如卫星通信或移动无线电系统。旋转天线的机械原理涉及一个电动机驱动系统，使天线能够平稳地转动。这种旋转使天线能够更有效地跟踪信号，从而确保更强和更清晰的接收。例如，在海洋环境中，船只通常使用旋转天线与岸站和其他船只保持通信。旋转能力使这些天线能够与移动卫星或其他动态信号源保持对齐。此外，旋转天线在电视广播和业余无线电中也很常见。在这些环境中，它们提供了显著的优势，使用户能够根据广播塔的位置调整天线的方向。这种适应性可以增强信号质量和接收效果，从而改善观看或收听体验。除了它们的实际应用之外，旋转天线在各种科学研究领域也发挥着关键作用。例如，在射电天文学中，研究人员需要捕捉来自天体的微弱信号，这些天线是必不可少的。天线的旋转能力使科学家能够扫描广阔的天空区域，收集本来无法获得的数据。尽管有诸多优点，旋转天线仍然存在一些局限性。它们的机械部件可能容易磨损，因此需要定期维护以确保最佳性能。此外，在某些环境中，例如高楼林立的城市地区，旋转天线的效果可能会受到信号阻碍的影响。总的来说，旋转天线在现代通信和研究中仍然是一种不可或缺的工具。它适应各种信号源和环境的能力使其成为许多应用的首选。随着技术的不断发展，旋转天线的设计和效率可能会进一步提高，从而巩固其在电信及其他领域的重要性。理解旋转天线的功能和意义是任何对通信技术进步及其对我们日常生活影响感兴趣的人都必须掌握的知识。