directional radio beacon

简明释义

定向无线电信标

英英释义

例句

1.Using a directional radio beacon helps vessels determine their position relative to the shore.

使用方向性无线电信标可以帮助船只确定其相对于岸边的位置。

2.The directional radio beacon was crucial for locating the remote island during the rescue operation.

在救援行动中，方向性无线电信标对于定位偏远岛屿至关重要。

3.The directional radio beacon provided a reliable signal for the aircraft approaching the airport.

该方向性无线电信标为接近机场的飞机提供了可靠的信号。

4.Maritime navigation systems often include directional radio beacons to aid in safe passage.

海洋导航系统通常包括方向性无线电信标以帮助安全通行。

5.The pilot relied on the directional radio beacon for accurate navigation during the storm.

在暴风雨中，飞行员依靠方向性无线电信标进行准确导航。

作文

In the world of aviation and maritime navigation, precision is paramount. One of the key technologies that aid in achieving this precision is the directional radio beacon. A directional radio beacon is a type of radio transmitter that emits signals in specific directions, allowing pilots and mariners to determine their location relative to the beacon. This technology plays a crucial role in ensuring safe and efficient travel across vast distances, especially in challenging weather conditions or unfamiliar territories.The operation of a directional radio beacon relies on the principle of triangulation. When an aircraft or ship receives signals from multiple beacons, it can calculate its position by determining the angle of arrival of each signal. This method is particularly useful in areas where traditional navigation methods, such as visual landmarks or GPS, may not be reliable. By providing a clear reference point, directional radio beacons enhance situational awareness for navigators.One of the significant advantages of using a directional radio beacon is its ability to transmit signals over long distances. Unlike standard radio beacons that broadcast signals in all directions, a directional radio beacon focuses its energy in a specific direction. This focused transmission not only increases the range of the signal but also reduces interference from other sources. As a result, navigators can rely on these beacons to receive clear and accurate information about their position.Moreover, directional radio beacons are essential during emergencies. In situations where a pilot or mariner finds themselves lost or in distress, these beacons can provide critical guidance. By tuning into the correct frequency, they can receive directional information that helps them navigate back to safety. This capability is especially vital in remote areas where other forms of communication may be unavailable.The implementation of directional radio beacons has evolved over the years. With advancements in technology, modern beacons are equipped with sophisticated systems that enhance their accuracy and reliability. For instance, many contemporary beacons utilize digital signaling techniques, which offer improved resistance to interference and better overall performance. Additionally, some beacons are integrated with satellite navigation systems, providing a comprehensive approach to navigation that combines traditional and modern methods.In conclusion, the directional radio beacon is a vital tool in the fields of aviation and maritime navigation. Its ability to provide precise directional information greatly enhances the safety and efficiency of travel. As technology continues to advance, the role of directional radio beacons will likely expand, further improving navigational capabilities and ensuring that pilots and mariners can navigate confidently, even in the most challenging environments. Understanding the importance of these beacons is essential for anyone involved in navigation, as they represent a blend of tradition and innovation that keeps our skies and seas safe.

在航空和海洋导航的世界中，精确性至关重要。帮助实现这种精确性的关键技术之一是定向无线电信标。定向无线电信标是一种无线电发射器，它以特定方向发射信号，使飞行员和航海者能够确定他们相对于信标的位置。这项技术在确保安全和高效的远程旅行中发挥着至关重要的作用，尤其是在恶劣天气条件或不熟悉的领土中。定向无线电信标的操作依赖于三角测量原理。当飞机或船只接收到来自多个信标的信号时，它可以通过确定每个信号的到达角度来计算其位置。这种方法在传统导航方法（如视觉地标或全球定位系统）可能不可靠的地区特别有用。通过提供一个清晰的参考点，定向无线电信标增强了导航者的情境意识。使用定向无线电信标的一个显著优势是它能够在长距离内发射信号。与广播信号向所有方向传播的标准无线电信标不同，定向无线电信标将其能量集中在特定方向。这种集中发射不仅增加了信号的范围，还减少了来自其他来源的干扰。因此，导航者可以依靠这些信标接收清晰准确的位置相关信息。此外，定向无线电信标在紧急情况下也至关重要。在飞行员或船员迷路或遇险的情况下，这些信标可以提供关键的指导。通过调谐到正确的频率，他们可以接收方向信息，帮助他们导航回安全区域。这种能力在偏远地区尤为重要，因为在这些地方，其他通信方式可能不可用。定向无线电信标的实施多年来不断发展。随着技术的进步，现代信标配备了复杂的系统，以提高其准确性和可靠性。例如，许多现代信标采用数字信号技术，提供更好的抗干扰能力和更好的整体性能。此外，一些信标与卫星导航系统集成，提供了一种结合传统和现代方法的全面导航方式。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息大大提高了旅行的安全性和效率。随着技术的不断进步，定向无线电信标的作用可能会进一步扩大，进一步改善导航能力，确保飞行员和航海者即使在最具挑战性的环境中也能自信导航。理解这些信标的重要性对任何参与导航的人来说都是必不可少的，因为它们代表了传统与创新的结合，使我们的天空和海洋更加安全。