directional radio beacon

简明释义

定向无线电信标定向无线电示标台定向无线电指向标

英英释义

例句

1.When flying at night, the directional radio beacon is crucial for maintaining course.

在夜间飞行时，方向性无线电信标对保持航向至关重要。

2.The directional radio beacon helped the ship find its way back to the harbor.

这个方向性无线电信标帮助船只找到回港的路。

3.The pilot relied on the directional radio beacon to navigate through the foggy weather.

飞行员依靠方向性无线电信标在雾天中导航。

4.Air traffic control uses a directional radio beacon to assist pilots in landing safely.

空中交通管制使用方向性无线电信标来帮助飞行员安全着陆。

5.During training, we learned how to tune into a directional radio beacon for accurate positioning.

在训练中，我们学习了如何调谐到方向性无线电信标以获得准确的位置。

作文

In the realm of aviation and maritime navigation, the importance of accurate positioning cannot be overstated. One crucial tool that aids in this endeavor is the directional radio beacon, which plays a significant role in guiding aircraft and ships safely to their destinations. A directional radio beacon is a type of radio transmitter that emits signals in specific directions, allowing pilots and navigators to determine their position relative to the beacon. This technology has revolutionized the way we navigate, providing a reliable means of guidance that is essential for safe travel across vast distances.The primary function of a directional radio beacon is to broadcast a signal that can be detected by receivers on aircraft or vessels. These beacons are strategically placed at various locations, often near airports or along shipping routes, to ensure that they cover a wide area. When an aircraft or ship receives the signal from the beacon, it can calculate its distance and direction from the source, which is crucial for navigation.One of the advantages of using a directional radio beacon is its ability to provide precise directional information. Unlike non-directional beacons that emit signals equally in all directions, a directional radio beacon focuses its transmission in specific orientations. This feature allows navigators to pinpoint their location more accurately, reducing the risk of errors that could lead to accidents. For instance, when approaching an airport, pilots rely on these beacons to align themselves with the runway, ensuring a safe landing.Moreover, the implementation of directional radio beacons has significantly enhanced safety in both aviation and maritime operations. In adverse weather conditions, such as fog or heavy rain, visibility is often compromised. During such times, pilots and mariners depend heavily on the signals transmitted by these beacons to navigate safely. The reliability of a directional radio beacon can make the difference between a safe journey and a potential disaster.In addition to their safety benefits, directional radio beacons also contribute to the efficiency of transportation systems. By providing accurate navigation information, these beacons help reduce travel times and fuel consumption. For example, ships can optimize their routes based on the signals received from beacons, avoiding unnecessary detours and minimizing their environmental impact. Similarly, aircraft can adjust their flight paths more effectively, leading to more efficient air traffic management.As technology continues to evolve, the future of directional radio beacons looks promising. With advancements in digital communication and satellite navigation systems, these beacons are likely to become even more sophisticated. Integration with other navigation technologies may enhance their capabilities, allowing for even greater accuracy and reliability. For instance, combining directional radio beacons with GPS technology could provide a comprehensive navigation solution that leverages the strengths of both systems.In conclusion, the directional radio beacon is an indispensable tool in modern navigation, providing critical support for both aviation and maritime operations. Its ability to transmit directional signals enhances safety and efficiency, making it a vital component of transportation infrastructure. As we look towards the future, the continued development of directional radio beacons will undoubtedly play a key role in shaping the way we navigate our world, ensuring that we can travel safely and efficiently across the skies and seas.

在航空和海洋导航领域，准确定位的重要性不容小觑。一种关键工具就是定向无线电信标，它在安全引导飞机和船只到达目的地方面发挥着重要作用。定向无线电信标是一种以特定方向发射信号的无线电发射器，使飞行员和导航员能够确定他们相对于信标的位置。这项技术彻底改变了我们的导航方式，提供了一种可靠的指导手段，对于跨越广阔距离的安全旅行至关重要。定向无线电信标的主要功能是广播信号，供飞机或船只上的接收器检测。这些信标通常位于机场或航运路线附近的战略位置，以确保覆盖广泛的区域。当飞机或船只接收到来自信标的信号时，它可以计算与信号源的距离和方向，这对于导航至关重要。使用定向无线电信标的一个优点是它提供精确的方向信息。与所有方向均匀发射信号的非定向信标不同，定向无线电信标将其传输集中在特定方向。这一特性使导航员能够更准确地确定自己的位置，减少可能导致事故的错误风险。例如，在接近机场时，飞行员依赖这些信标来与跑道对齐，确保安全着陆。此外，定向无线电信标的实施显著增强了航空和海洋操作的安全性。在恶劣天气条件下，如雾霾或大雨，能见度往往受到影响。在这种情况下，飞行员和航海者在导航时严重依赖这些信标发射的信号以确保安全。定向无线电信标的可靠性可能意味着安全旅行与潜在灾难之间的区别。除了安全益处外，定向无线电信标还促进了交通系统的高效运作。通过提供准确的导航信息，这些信标帮助减少旅行时间和燃料消耗。例如，船只可以根据接收到的信标信号优化航线，避免不必要的绕行，最小化环境影响。同样，飞机也可以更有效地调整飞行路径，从而实现更高效的空中交通管理。随着技术的不断发展，定向无线电信标的未来看起来充满希望。随着数字通信和卫星导航系统的进步，这些信标可能会变得更加复杂。与其他导航技术的整合可能增强其能力，实现更高的准确性和可靠性。例如，将定向无线电信标与GPS技术结合，可以提供一种综合导航解决方案，充分利用两者的优势。总之，定向无线电信标是现代导航中不可或缺的工具，为航空和海洋操作提供关键支持。其发射定向信号的能力增强了安全性和效率，使其成为交通基础设施的重要组成部分。展望未来，定向无线电信标的持续发展无疑将在塑造我们导航世界的方式中发挥关键作用，确保我们能够在天空和海洋中安全高效地旅行。