Loran chain

简明释义

罗兰台链

英英释义

例句

1.During the training, we learned how to use the Loran chain for precise location tracking.

在培训期间，我们学习了如何使用Loran链进行精确定位跟踪。

2.In the past, fishermen depended heavily on the Loran chain for finding their way back home.

过去，渔民们非常依赖Loran链找到回家的路。

3.The Loran chain is essential for ensuring safe navigation in coastal areas.

在沿海地区，Loran链对于确保安全航行至关重要。

4.The advent of GPS has somewhat diminished the use of the Loran chain in modern navigation.

GPS的出现在一定程度上减少了现代导航中Loran链的使用。

5.The ship relied on the Loran chain to navigate through the foggy waters.

这艘船依靠Loran链在雾蒙蒙的水域中航行。

作文

The development of navigation technology has played a crucial role in the advancement of maritime activities. One such innovation is the Loran chain, which stands for Long Range Navigation. The Loran chain system was developed during World War II as a means to assist ships and aircraft in determining their positions accurately. This technology uses a network of ground-based radio transmitters that send out signals to receivers on vessels or aircraft, allowing them to triangulate their position based on the time it takes for the signals to reach them.The Loran chain operates by transmitting low-frequency radio signals from a series of master and secondary stations. The master station sends out a primary signal, while the secondary stations send out signals that are synchronized with the master. By measuring the time difference between the reception of these signals, the receiver can calculate its distance from each station. This method of navigation is particularly useful in areas where GPS signals may be weak or unavailable, such as coastal waters or urban environments with tall buildings that can obstruct satellite signals.One of the key advantages of the Loran chain is its ability to provide accurate positioning information even in challenging conditions. For instance, during periods of heavy cloud cover or in regions with high electromagnetic interference, GPS systems can become unreliable. However, the Loran chain remains effective because it relies on ground-based signals rather than satellite signals. This makes it an invaluable tool for mariners and aviators who depend on precise navigation to ensure safety and efficiency.Despite the rise of GPS technology, the Loran chain has not been entirely phased out. In fact, many countries still maintain Loran stations as a backup navigation system. This redundancy is critical, as it provides an alternative means of navigation in case GPS systems fail or are disrupted. Furthermore, the Loran chain has also been adapted for use in various applications beyond maritime and aviation. For example, it is used in surveying, mapping, and even in some agricultural practices where precise location data is required.In conclusion, the Loran chain represents a significant advancement in navigation technology that has stood the test of time. Its robust and reliable nature makes it a valuable asset for navigators around the world. As we continue to rely on technology for our navigation needs, it is essential to recognize the importance of systems like the Loran chain that provide backup support and enhance our overall safety at sea and in the air. The future of navigation will likely involve a combination of technologies, including both GPS and Loran chain, ensuring that we have the best tools available for accurate positioning and safe travel.

导航技术的发展在海洋活动的进步中起着至关重要的作用。其中一种创新是Loran chain，即长距离导航（Long Range Navigation）。Loran chain系统是在第二次世界大战期间开发的，旨在帮助船只和飞机准确确定其位置。这项技术使用一系列地面无线电发射器的网络，向船只或飞机上的接收器发送信号，使它们能够根据信号到达所需的时间三角测量其位置。Loran chain通过从一系列主站和副站发射低频无线电信号来运作。主站发送一个主要信号，而副站发送与主信号同步的信号。通过测量接收这些信号之间的时间差，接收器可以计算出与每个站的距离。这种导航方法在GPS信号可能较弱或不可用的区域特别有用，例如沿海水域或高楼大厦遮挡卫星信号的城市环境。Loran chain的一个关键优势是它能够在困难条件下提供准确的定位信息。例如，在浓厚云层覆盖或高电磁干扰地区，GPS系统可能变得不可靠。然而，Loran chain仍然有效，因为它依赖于基于地面的信号，而不是卫星信号。这使其成为海员和飞行员的宝贵工具，他们依赖精确的导航以确保安全和效率。尽管GPS技术的兴起，Loran chain并没有完全被淘汰。实际上，许多国家仍然维护Loran站作为备用导航系统。这种冗余性至关重要，因为它提供了在GPS系统故障或中断时的替代导航手段。此外，Loran chain还被改编用于超越海洋和航空的各种应用。例如，它用于测量、制图，甚至在一些农业实践中需要精确位置数据的地方。总之，Loran chain代表了一项在导航技术上具有重要意义的进步，并经受住了时间的考验。其强大而可靠的特性使其成为全球导航者的重要资产。随着我们继续依赖技术满足导航需求，认识到像Loran chain这样的系统的重要性至关重要，这些系统提供了备份支持并提高了我们在海上和空中的整体安全性。导航的未来可能涉及多种技术的结合，包括GPS和Loran chain，确保我们拥有最佳工具用于准确定位和安全旅行。