non-directional radio-beacon

简明释义

全向无线电指向标

英英释义

例句

1.The non-directional radio-beacon serves as a reference point for aircraft approaching the landing strip.

该非定向无线电信标作为接近跑道的飞机的参考点。

2.The non-directional radio-beacon broadcasts a continuous signal to help pilots locate the airfield.

该非定向无线电信标发出连续信号，以帮助飞行员定位机场。

3.A non-directional radio-beacon is essential for maritime navigation in foggy weather.

在雾天，非定向无线电信标对海上导航至关重要。

4.The pilot used the non-directional radio-beacon to navigate during poor visibility conditions.

飞行员在能见度差的情况下使用了非定向无线电信标进行导航。

5.During training, students learned how to identify a non-directional radio-beacon on their navigation equipment.

在培训期间，学生们学习了如何在导航设备上识别非定向无线电信标。

作文

In the realm of aviation and navigation, the term non-directional radio-beacon refers to a type of radio transmitter that emits signals in all directions. This technology plays a crucial role in assisting pilots and navigators in determining their position and ensuring safe travel across various terrains. Unlike directional beacons that send signals along a specific path, non-directional radio-beacon provides a more generalized signal that can be received from any angle, making it an invaluable tool for those who rely on radio communication for navigation.The operation of a non-directional radio-beacon is relatively straightforward. It broadcasts a continuous signal that includes a unique identifier, which can be recognized by receiving equipment. Pilots and navigators use this identifier to triangulate their position when they receive the signal. The simplicity of this system allows for ease of use, especially in situations where precise navigation is critical, such as during adverse weather conditions or in unfamiliar territories.One of the significant advantages of a non-directional radio-beacon is its ability to provide coverage over vast areas. Since the signal radiates outward in all directions, it can be picked up by aircraft or vessels at considerable distances from the source. This feature is particularly beneficial for maritime navigation, where ships often traverse large expanses of open water where other forms of navigation may be less effective.Moreover, the implementation of non-directional radio-beacon systems is relatively cost-effective compared to more advanced navigational aids. Many airports and maritime facilities utilize these beacons because they require minimal maintenance and can operate efficiently for extended periods. This reliability makes them a staple in both aviation and marine navigation, providing a consistent reference point for travelers.However, while non-directional radio-beacon systems are advantageous, they also have limitations. For instance, they cannot provide precise directional information, which means that pilots and navigators must combine the data received from these beacons with other navigational tools to ensure accurate positioning. Additionally, in areas with high levels of radio interference or obstructions, the effectiveness of these beacons may diminish, leading to potential challenges in navigation.In conclusion, the non-directional radio-beacon serves as a fundamental component of modern navigation systems, offering a reliable means of location identification for aviators and mariners alike. Its omnidirectional signal provides essential support, particularly in challenging conditions where other navigational aids may fall short. By understanding the functionality and applications of non-directional radio-beacon, we can appreciate its significance in enhancing safety and efficiency in travel, whether in the skies or on the seas. As technology continues to evolve, the role of such traditional navigational aids remains crucial, reminding us of the importance of reliable systems in our ever-expanding world of transportation.

在航空和导航领域，术语非定向无线电信标指的是一种以全方向发射信号的无线电发射器。这项技术在帮助飞行员和导航员确定其位置以及确保在各种地形上安全旅行方面发挥着至关重要的作用。与沿特定路径发送信号的定向信标不同，非定向无线电信标提供了一种更为广泛的信号，可以从任何角度接收，这使得它成为依赖无线电通信进行导航的人员不可或缺的工具。非定向无线电信标的操作相对简单。它广播一个包含唯一标识符的连续信号，该信号可以被接收设备识别。飞行员和导航员利用这个标识符在接收到信号时三角测量他们的位置。该系统的简单性使其易于使用，特别是在导航至关重要的情况下，例如在恶劣天气条件下或在不熟悉的地区。非定向无线电信标的一个显著优势是其能够覆盖广阔区域的能力。由于信号向外辐射，任何距离信号源较远的飞机或船只都能接收到该信号。这一特性对于海洋导航尤为重要，因为船只经常穿越开阔水域，在这些地方其他形式的导航可能效果不佳。此外，实施非定向无线电信标系统相对于更先进的导航辅助设备而言，成本效益较高。许多机场和海事设施利用这些信标，因为它们所需的维护最小，并且可以高效地运行很长时间。这种可靠性使它们在航空和海洋导航中成为标准，为旅行者提供一致的参考点。然而，尽管非定向无线电信标系统具有优势，但它们也有局限性。例如，它们无法提供精确的方向信息，这意味着飞行员和导航员必须将从这些信标接收到的数据与其他导航工具结合使用，以确保定位的准确性。此外，在无线电干扰或障碍物较多的区域，这些信标的有效性可能会降低，从而导致导航过程中可能出现的挑战。总之，非定向无线电信标作为现代导航系统的基本组成部分，为飞行员和海员提供可靠的位置识别手段。其全向信号在困难条件下提供了必要的支持，特别是在其他导航辅助设备可能失效的情况下。通过理解非定向无线电信标的功能和应用，我们可以欣赏到它在提高旅行安全性和效率方面的重要性，无论是在天空还是在海洋中。随着技术的不断发展，这些传统导航辅助设备的角色仍然至关重要，提醒我们在不断扩展的交通运输世界中可靠系统的重要性。