Loran table

简明释义

罗兰表

英英释义

例句

1.The navigator used the Loran table to determine their exact position at sea.

导航员使用Loran table来确定他们在海上的确切位置。

2.Before setting sail, the captain reviewed the Loran table for accurate navigation.

在出航之前，船长检查了Loran table以确保导航准确。

3.Fishermen often rely on the Loran table to find the best fishing spots.

渔民们常常依赖Loran table找到最佳捕鱼地点。

4.The Loran table provided essential coordinates for the search and rescue operation.

Loran table为搜救行动提供了必要的坐标。

5.Using a Loran table can significantly improve your chances of safely navigating through fog.

使用Loran table可以显著提高你在雾中安全航行的机会。

作文

The world of navigation has evolved tremendously over the years, with various systems developed to aid in determining one's position on Earth. One such system, which played a crucial role in maritime navigation, is the Loran system. At the heart of this system lies the Loran table, a vital tool that helps navigators calculate their position accurately. Understanding the significance and functionality of the Loran table is essential for anyone interested in navigation, whether for professional purposes or personal use.The term 'Loran' stands for 'Long Range Navigation', and it refers to a radio navigation system that uses low-frequency radio transmitters to determine the location of a receiver. The Loran table is essentially a chart that provides the necessary data for navigators to interpret the signals received from these transmitters. By utilizing the information from the Loran table, navigators can calculate their position by measuring the time delay between the signals received from multiple Loran stations.The importance of the Loran table cannot be overstated. Before the advent of GPS technology, Loran was one of the most reliable methods for marine navigation. It allowed ships to navigate safely across vast oceans, especially in areas where traditional navigation methods were less effective. The accuracy provided by the Loran table significantly improved the safety of maritime operations, reducing the chances of accidents and ensuring that vessels could reach their destinations without incident.To effectively use a Loran table, navigators must first understand how to read it. The table contains information about different Loran stations, including their geographical coordinates and the specific timing of the signals they emit. By cross-referencing this data with the signals received, navigators can triangulate their position. This process involves calculating the time difference between the signals, which is then translated into distance. The Loran table provides the necessary formulas and conversion factors to facilitate these calculations.Moreover, the Loran table is not just a static document; it requires regular updates to ensure its accuracy. As the positions of Loran stations can change due to various factors, navigators must stay informed about the latest versions of the Loran table. This aspect highlights the importance of continuous learning and adaptation in the field of navigation.In conclusion, the Loran table serves as a cornerstone of the Loran navigation system, providing essential data that enables accurate position determination. While modern technology such as GPS has largely overshadowed Loran, understanding the Loran table remains relevant for historical knowledge and for those who may find themselves in situations where traditional navigation methods are required. Whether one is a seasoned mariner or a novice explorer, grasping the concept of the Loran table is a valuable skill that enhances navigation proficiency and safety at sea.

导航的世界在过去几十年中发生了巨大的变化，各种系统被开发出来以帮助确定一个人在地球上的位置。其中一个对海洋导航至关重要的系统是Loran系统。这个系统的核心是Loran表，这是一个重要的工具，帮助导航员准确计算他们的位置。理解Loran表的重要性和功能对于任何对导航感兴趣的人来说都是必不可少的，无论是出于专业目的还是个人使用。“Loran”一词代表“长距离导航”，它指的是一种无线电导航系统，该系统使用低频无线电发射器来确定接收器的位置。Loran表实质上是一个图表，提供导航员解释从这些发射器接收的信号所需的数据。通过利用Loran表中的信息，导航员可以通过测量来自多个Loran站的信号之间的时间延迟来计算他们的位置。Loran表的重要性不容小觑。在GPS技术出现之前，Loran是海洋导航中最可靠的方法之一。它允许船只安全地穿越广阔的海洋，尤其是在传统导航方法效果较差的地区。Loran表提供的准确性显著提高了海洋作业的安全性，减少了事故的可能性，确保船只能够顺利到达目的地。为了有效使用Loran表，导航员必须首先了解如何阅读它。该表包含有关不同Loran站的信息，包括它们的地理坐标和它们发射信号的具体时间。通过交叉参考这些数据与接收到的信号，导航员可以三角定位他们的位置。这个过程涉及计算信号之间的时间差，然后将其转化为距离。Loran表提供必要的公式和转换因子，以促进这些计算。此外，Loran表不仅仅是一个静态文档；它需要定期更新以确保其准确性。由于Loran站的位置可能会因各种因素而变化，导航员必须随时了解最新版本的Loran表。这一点强调了在导航领域持续学习和适应的重要性。总之，Loran表作为Loran导航系统的基石，提供了使准确定位成为可能的基本数据。尽管现代技术如GPS在很大程度上掩盖了Loran，但理解Loran表仍然与历史知识相关，并且对于那些可能发现自己处于需要传统导航方法的情况的人来说也是重要的。无论一个人是经验丰富的海员还是新手探险者，掌握Loran表的概念都是一种有价值的技能，可以增强导航能力和海上安全。