directional radiobeacon

简明释义

定向无线电信标

英英释义

例句

1.In aviation, a directional radiobeacon is crucial for guiding aircraft during approach.

在航空中，定向无线电信标对指导飞机在进场时至关重要。

2.The directional radiobeacon emitted signals that helped ships avoid dangerous areas.

该定向无线电信标发出的信号帮助船只避开危险区域。

3.A directional radiobeacon can significantly improve the accuracy of your location.

一个定向无线电信标可以显著提高你的位置准确性。

4.During the training, we learned how to use a directional radiobeacon for precise landing.

在培训期间，我们学习了如何使用定向无线电信标进行精确着陆。

5.The pilot relied on the directional radiobeacon to navigate through the foggy weather.

飞行员依靠定向无线电信标在雾天中导航。

作文

In the world of navigation and communication, technology plays a crucial role in ensuring safe and efficient travel. Among the various tools used in this field, the directional radiobeacon stands out as an essential device for guiding aircraft and ships. A directional radiobeacon is a type of radio transmitter that emits signals in specific directions, allowing navigators to determine their position relative to the beacon's location. This technology is particularly important in areas where traditional visual navigation aids are not available, such as over open water or in poor weather conditions.The functioning of a directional radiobeacon relies on the principles of radio wave propagation. When a signal is transmitted from the beacon, it travels through the air and can be received by vessels or aircraft equipped with appropriate receivers. By analyzing the strength and direction of the received signal, navigators can ascertain their distance from the beacon and adjust their course accordingly. This capability is especially vital for pilots and mariners who must navigate safely through challenging environments.One of the key advantages of using a directional radiobeacon is its ability to provide precise directional information. Unlike omnidirectional beacons that transmit signals equally in all directions, a directional radiobeacon focuses its signals in specific beams. This feature enhances the accuracy of navigation, as it helps reduce confusion that may arise from multiple signals in the vicinity. Furthermore, the directional nature of these beacons allows them to cover larger areas while maintaining signal integrity, making them ideal for remote locations.In addition to navigation, directional radiobeacons also play a significant role in safety. They serve as critical points of reference for search and rescue operations. In emergencies, when an aircraft or vessel is in distress, the ability to pinpoint its location becomes paramount. The signals from a directional radiobeacon can assist rescuers in locating the distressed craft quickly, thereby increasing the chances of a successful rescue operation.As technology continues to evolve, the applications of directional radiobeacons are expanding. Modern advancements have led to the integration of these beacons with satellite-based navigation systems, enhancing their functionality and reliability. For instance, the combination of Global Positioning System (GPS) technology with directional radiobeacons allows for even more accurate positioning, providing users with real-time data about their location and the surrounding environment.In conclusion, the directional radiobeacon is a vital tool in the fields of aviation and maritime navigation. Its ability to provide precise directional signals enhances safety and efficiency for navigators. As technology progresses, we can expect to see further innovations in this area, making navigation even more reliable and accessible. Understanding the importance of devices like the directional radiobeacon is essential for anyone involved in transportation, whether by air or sea. With continued advancements, these beacons will undoubtedly remain a cornerstone of modern navigation systems, helping to ensure that travelers reach their destinations safely and effectively.

在导航和通信的世界中，技术在确保安全和高效旅行方面发挥着至关重要的作用。在这一领域使用的各种工具中，定向无线电信标作为引导飞机和船只的重要设备脱颖而出。定向无线电信标是一种无线电发射机，它以特定方向发射信号，使导航员能够确定其相对于信标位置的方位。这项技术在传统视觉导航辅助设备不可用的地区尤为重要，例如在开阔水域或恶劣天气条件下。定向无线电信标的工作原理依赖于无线电波传播的原理。当信号从信标发射时，它通过空气传播，可以被配备适当接收器的船只或飞机接收。通过分析接收到的信号的强度和方向，导航员可以确定与信标的距离，并相应地调整航向。这一能力对必须安全穿越挑战性环境的飞行员和水手尤为重要。使用定向无线电信标的一个关键优势是它提供精确的方向信息。与在所有方向均匀发射信号的全向信标不同，定向无线电信标将其信号集中在特定的波束中。这一特性提高了导航的准确性，因为它有助于减少周围多个信号可能引起的混淆。此外，这些信标的定向特性使它们能够覆盖更大的区域，同时保持信号完整性，使其成为偏远地区的理想选择。除了导航，定向无线电信标在安全方面也发挥着重要作用。它们为搜救行动提供了关键的参考点。在紧急情况下，当飞机或船只遇险时，准确定位其位置变得至关重要。定向无线电信标的信号可以帮助救援人员快速找到遇险的船只，从而提高成功救援行动的机会。随着技术的不断发展，定向无线电信标的应用范围也在扩大。现代的进步使得这些信标与基于卫星的导航系统相结合，从而增强了它们的功能和可靠性。例如，将全球定位系统（GPS）技术与定向无线电信标结合使用，可以提供更准确的定位，为用户提供有关其位置和周围环境的实时数据。总之，定向无线电信标是航空和海洋导航领域的重要工具。它提供的精确方向信号增强了导航的安全性和效率。随着技术的发展，我们可以期待在这一领域看到更多的创新，使导航变得更加可靠和易于获取。理解像定向无线电信标这样的设备的重要性，对于任何参与交通运输的人来说都是必不可少的，无论是空中还是海上。随着持续的进步，这些信标无疑将继续成为现代导航系统的基石，帮助确保旅行者安全有效地到达目的地。