directional beacon

简明释义

无线电定向信标

英英释义

例句

1.The aircraft relied on the directional beacon to navigate through the stormy weather.

飞机依靠方向信标在暴风雨中导航。

2.Many airports have multiple directional beacons to assist pilots during landing.

许多机场都有多个方向信标来协助飞行员降落。

3.During the training flight, the pilot practiced using the directional beacon for navigation.

在训练飞行中，飞行员练习使用方向信标进行导航。

4.A directional beacon is essential for guiding ships into the harbor safely.

一个方向信标对于安全引导船只进入港口是必不可少的。

5.The directional beacon emitted a strong signal that helped the rescue team locate the lost hikers.

这个方向信标发出了强烈的信号，帮助救援队找到迷路的徒步旅行者。

作文

In the vast expanse of the ocean, where the horizon meets the sky, sailors often rely on various navigational aids to guide their journeys. One such crucial tool is the directional beacon, which serves as a lighthouse for modern navigation. A directional beacon (方向性信标) emits signals that help vessels determine their position and direction, ensuring safe passage through treacherous waters. Understanding how this technology works can significantly enhance our appreciation for maritime navigation and safety.The concept of a directional beacon is rooted in the principles of radio waves and signal transmission. These beacons are strategically placed along coastlines or in open waters to provide directional guidance to ships. Unlike traditional lighthouses that emit light visible from all directions, a directional beacon focuses its signals in a specific direction, allowing mariners to pinpoint their location with greater accuracy.For instance, when a ship approaches a harbor, it may encounter multiple directional beacons that provide different navigational information. Each beacon transmits unique signals that indicate safe routes, obstacles, and other critical data essential for navigation. This system not only enhances safety but also improves the efficiency of maritime traffic, reducing the risk of collisions and grounding incidents.The technology behind directional beacons has evolved over the years. Modern beacons utilize advanced GPS and satellite technology, making them more reliable than ever. They can be integrated with electronic chart systems, allowing sailors to visualize their position relative to these beacons on digital maps. This integration exemplifies how traditional navigation methods have adapted to the demands of contemporary sailing.Moreover, the importance of directional beacons extends beyond mere navigation. In emergency situations, these beacons can serve as lifelines for distressed vessels. When a ship encounters mechanical failure or adverse weather conditions, it can use the signals from nearby directional beacons to communicate its location to rescue teams. This capability is vital for search and rescue operations, potentially saving countless lives at sea.In addition to their practical applications, directional beacons also represent the intersection of technology and human ingenuity. They are a testament to how we have harnessed scientific knowledge to solve real-world problems. As we continue to innovate and improve upon existing technologies, the role of directional beacons will likely expand, incorporating even more sophisticated features to aid navigation.As we reflect on the significance of directional beacons, it is essential to recognize their contribution to global trade and commerce. The majority of goods transported around the world travel by sea, and efficient navigation is crucial for timely deliveries. By ensuring that ships can navigate safely and effectively, directional beacons play an indirect yet vital role in the economy, facilitating international trade and commerce.In conclusion, the directional beacon (方向性信标) is a remarkable example of how technology has transformed maritime navigation. Its ability to provide precise directional guidance not only enhances safety but also supports the broader framework of global trade. As we move forward, it is imperative to continue investing in and improving navigational aids like directional beacons to ensure safe and efficient maritime operations for generations to come.

在广阔的海洋中，地平线与天空相接，水手们常常依赖各种导航工具来指导他们的航程。其中一个至关重要的工具就是方向性信标，它为现代导航提供了灯塔的作用。方向性信标（directional beacon）发出信号，帮助船只确定它们的位置和方向，确保安全通过危险水域。理解这项技术的工作原理可以显著增强我们对海上导航和安全的欣赏。方向性信标的概念根植于无线电波和信号传输的原理。这些信标被战略性地放置在海岸线或开放水域，以提供船只的方向性指导。与传统的灯塔不同，传统灯塔发出从各个方向可见的光，而方向性信标则将其信号集中在特定方向，使航海者能够更准确地定位。例如，当一艘船靠近港口时，它可能会遇到多个方向性信标，这些信标提供不同的导航信息。每个信标发出独特的信号，指示安全航道、障碍物及其他对导航至关重要的数据。该系统不仅增强了安全性，还提高了海上交通的效率，减少了碰撞和搁浅事件的风险。方向性信标背后的技术多年来不断发展。现代信标利用先进的GPS和卫星技术，使其比以往任何时候都更可靠。它们可以与电子图表系统集成，使水手能够在数字地图上可视化他们相对于这些信标的位置。这种集成展示了传统导航方法如何适应现代航行的需求。此外，方向性信标的重要性超越了单纯的导航。在紧急情况下，这些信标可以作为困境船只的生命线。当一艘船遭遇机械故障或恶劣天气条件时，它可以使用附近方向性信标的信号与救援团队沟通其位置。这种能力对搜救行动至关重要，可能在海上挽救无数生命。除了实际应用，方向性信标还代表了技术与人类智慧的交汇。它们证明了我们如何利用科学知识来解决现实问题。随着我们继续创新和改进现有技术，方向性信标的角色可能会扩展，融入更复杂的功能来辅助导航。在反思方向性信标的重要性时，必须认识到它们对全球贸易和商业的贡献。全球运输的大部分货物都是通过海洋运输的，高效的导航对及时交付至关重要。通过确保船只能够安全有效地导航，方向性信标间接但重要地在经济中发挥了作用，促进了国际贸易和商业。总之，方向性信标（directional beacon）是科技如何改变海上导航的一个杰出例子。它提供精确的方向性指导，不仅增强了安全性，还支持了全球贸易的更广泛框架。随着我们向前发展，继续投资和改善像方向性信标这样的导航工具，以确保未来几代人的安全和高效的海上作业，是至关重要的。