directional beacon

简明释义

定向天线

英英释义

例句

1.The directional beacon emitted signals that were crucial for the drone's navigation.

这个方向信标发出的信号对无人机的导航至关重要。

2.During the night, the ship used a directional beacon to find its way into the harbor.

在夜间，船只使用方向信标找到进入港口的路径。

3.The airplane relied on the directional beacon to navigate through the fog.

飞机依靠方向信标在雾中导航。

4.The search and rescue team set up a directional beacon to guide lost hikers back to safety.

搜救队设置了一个方向信标来引导迷路的徒步旅行者安全返回。

5.In aviation, a directional beacon helps pilots locate their position relative to the airport.

在航空领域，方向信标帮助飞行员确定他们相对于机场的位置。

作文

In the world of navigation and communication, the term directional beacon refers to a device that emits signals in a specific direction to guide aircraft, ships, or vehicles. These beacons play a crucial role in ensuring safety and efficiency in transportation. The technology behind directional beacon systems has evolved significantly over the years, allowing for more precise guidance and improved signal clarity.A directional beacon typically operates by transmitting radio waves or light signals that are directed towards a particular area. For instance, in aviation, a directional beacon might be used to help pilots navigate during low visibility conditions. By following the signals emitted from the beacon, pilots can determine their position relative to the airport or other navigational points. This is especially important during landing approaches when accurate positioning is essential for safety.In maritime contexts, directional beacons serve a similar purpose. They are often installed along coastlines or in busy shipping lanes to help vessels maintain safe routes. The signals from these beacons can indicate safe passages or warn of hazards such as rocks or shallow waters. Mariners rely heavily on these devices, particularly in areas where GPS signals may be weak or unreliable.The functionality of a directional beacon can vary based on its design and intended use. Some beacons are fixed installations, while others might be mobile units that can be deployed in different locations as needed. Modern technology has also introduced the concept of virtual beacons, which utilize satellite systems to provide directional guidance without the need for physical structures.One of the most significant advancements in directional beacon technology is the integration of digital systems. Today's beacons can communicate with onboard navigation systems, providing real-time updates and data that enhance situational awareness for pilots and mariners alike. This integration not only increases safety but also improves operational efficiency, allowing for better route planning and fuel management.Despite their importance, directional beacons are often taken for granted. Many people who travel by air or sea may not realize the role these devices play in their journey. However, for professionals in the aviation and maritime industries, the reliability of directional beacons is paramount. Regular maintenance and updates are necessary to ensure that these beacons function correctly and continue to provide accurate information.In conclusion, the directional beacon is an indispensable tool in navigation, enhancing safety and efficiency for both air and maritime travel. As technology continues to evolve, we can expect further improvements in how these beacons operate and communicate. Understanding the significance of directional beacons helps us appreciate the complex systems that keep our transportation networks safe and effective. Whether you are flying high in the sky or sailing across the seas, the presence of these beacons ensures that you are guided safely to your destination.

在导航和通信的世界中，术语方向性信标指的是一种向特定方向发射信号，以指导飞机、船舶或车辆的设备。这些信标在确保交通安全和效率方面发挥着至关重要的作用。随着时间的推移，方向性信标系统背后的技术已经显著发展，使得导航更加精确，信号更清晰。方向性信标通常通过发射定向的无线电波或光信号来运行。例如，在航空领域，方向性信标可能用于帮助飞行员在能见度低的情况下导航。通过跟随信标发出的信号，飞行员可以确定他们相对于机场或其他导航点的位置。这在降落过程中尤为重要，因为准确的位置对安全至关重要。在海事环境中，方向性信标起着类似的作用。它们通常安装在海岸线或繁忙的航道上，以帮助船只保持安全航线。这些信标发出的信号可以指示安全通道或警告危险，如岩石或浅水区。航海者在这些设备上高度依赖，尤其是在GPS信号可能较弱或不可靠的区域。方向性信标的功能可能根据其设计和预期用途而有所不同。一些信标是固定的安装，而其他信标可能是可以根据需要部署到不同位置的移动单元。现代技术还引入了虚拟信标的概念，利用卫星系统提供方向指导，而无需物理结构。在方向性信标技术中最重要的进展之一是数字系统的集成。如今的信标可以与机载导航系统进行通信，提供实时更新和数据，从而增强飞行员和航海者的情境意识。这种集成不仅提高了安全性，还改善了操作效率，使得更好的航线规划和燃料管理成为可能。尽管方向性信标的重要性不言而喻，但它们常常被视为理所当然。许多乘坐飞机或船只旅行的人可能没有意识到这些设备在他们旅程中的作用。然而，对于航空和海事行业的专业人士来说，方向性信标的可靠性至关重要。定期维护和更新是确保这些信标正常工作并继续提供准确的信息所必需的。总之，方向性信标是导航中不可或缺的工具，提高了空中和海上旅行的安全性和效率。随着技术的不断发展，我们可以期待这些信标的操作和通信方式进一步改善。理解方向性信标的重要性使我们能够欣赏到确保我们的交通网络安全有效的复杂系统。无论你是在高空飞行还是在海上航行，这些信标的存在确保你安全到达目的地。