directional radio beacon

简明释义

定向无线电示标台

英英释义

例句

1.During the training, we learned how to locate a directional radio beacon using our instruments.

在培训期间，我们学习了如何使用仪器定位定向无线电信标。

2.Rescue teams often use a directional radio beacon to find lost hikers in the mountains.

救援队通常使用定向无线电信标来寻找失踪的登山者。

3.A directional radio beacon can help ships find their way in coastal waters.

一个定向无线电信标可以帮助船只在沿海水域找到方向。

4.The pilot relied on the directional radio beacon to navigate through the fog.

飞行员依靠定向无线电信标在雾中导航。

5.The directional radio beacon emits signals that are crucial for air traffic control.

该定向无线电信标发出的信号对空中交通管制至关重要。

作文

In the world of aviation and maritime navigation, the importance of accurate positioning cannot be overstated. One of the key technologies that assist in this endeavor is the directional radio beacon. A directional radio beacon is a type of radio transmitter that emits signals in a specific direction, allowing pilots and mariners to determine their location relative to the beacon. This technology has significantly enhanced safety and efficiency in navigation, especially in challenging environments where visibility may be poor due to weather conditions or geographical obstacles.The operation of a directional radio beacon is relatively straightforward. It transmits radio waves that can be picked up by receivers on aircraft or ships. The unique aspect of this beacon is its directional capability; it focuses its signal in a particular direction rather than broadcasting it uniformly in all directions. This focused signal allows navigators to discern their position more accurately, as they can determine their bearing relative to the beacon.One of the primary advantages of using a directional radio beacon is the enhancement of situational awareness for pilots and sailors. For instance, when approaching an airport, pilots can rely on these beacons to guide them safely to the runway, especially during low visibility situations such as fog or heavy rain. Similarly, mariners can use directional radio beacons to navigate through narrow channels or around obstacles, ensuring a safer passage.Moreover, directional radio beacons are not limited to just aviation and maritime uses. They also find applications in various fields such as search and rescue operations, where accurate location information is crucial. In emergencies, these beacons can help rescuers pinpoint the location of stranded individuals or vessels, thereby speeding up the response time and potentially saving lives.Despite the advancements in satellite navigation systems like GPS, directional radio beacons continue to play a vital role in navigation. They serve as a reliable backup system, providing an additional layer of security. In areas where satellite signals may be weak or obstructed, such as mountainous regions or deep valleys, the reliability of directional radio beacons becomes even more critical.In conclusion, the directional radio beacon is an indispensable tool in modern navigation, enhancing the safety and efficiency of air and sea travel. Its ability to provide accurate positional information in a focused manner makes it a preferred choice for navigators worldwide. As technology continues to evolve, the integration of directional radio beacons with other navigational aids will likely lead to even greater improvements in safety and efficiency, ensuring that both pilots and mariners can navigate the skies and seas with confidence. Understanding the function and significance of directional radio beacons is essential for anyone involved in navigation, as it underscores the importance of precision and reliability in reaching one's destination safely.

在航空和海洋导航的世界中，准确定位的重要性不容小觑。协助这一工作的关键技术之一是方向性无线电信标。方向性无线电信标是一种无线电发射器，它以特定方向发射信号，使飞行员和船员能够确定他们相对于信标的位置。这项技术显著增强了导航的安全性和效率，尤其是在能见度因天气条件或地理障碍而较差的挑战性环境中。方向性无线电信标的操作相对简单。它发射的无线电波可以被飞机或船只上的接收器接收。这种信标的独特之处在于其方向性能力；它将信号集中在特定方向上，而不是均匀地向所有方向广播。这种集中的信号使导航员能够更准确地判断自己的位置，因为他们可以确定自己相对于信标的方位。使用方向性无线电信标的主要优点之一是增强了飞行员和水手的情境意识。例如，在接近机场时，飞行员可以依靠这些信标在低能见度情况下安全引导他们到达跑道，例如在雾霾或大雨中。同样，水手可以利用方向性无线电信标在狭窄的航道或障碍物附近导航，从而确保安全通行。此外，方向性无线电信标不仅限于航空和海洋用途。它们还在各种领域中找到应用，例如搜索和救援操作，在这些情况下，准确的位置资讯至关重要。在紧急情况下，这些信标可以帮助救援人员快速定位被困的个人或船只，从而加快响应时间，潜在地拯救生命。尽管卫星导航系统如GPS已经取得了进步，方向性无线电信标仍在导航中发挥着重要作用。它们作为可靠的备份系统，提供额外的安全层。在卫星信号可能较弱或受到阻碍的区域，如山区或深谷，方向性无线电信标的可靠性变得更加关键。总之，方向性无线电信标是现代导航中不可或缺的工具，增强了空中和海上旅行的安全性和效率。其以集中方式提供准确位置信息的能力使其成为全球导航员的首选。随着技术的不断发展，方向性无线电信标与其他导航辅助设施的整合可能会带来更大的安全性和效率提升，确保飞行员和水手能够自信地航行于天空和海洋。理解方向性无线电信标的功能和重要性对于任何参与导航的人来说都是至关重要的，因为它强调了在安全到达目的地时精确性和可靠性的重要性。