Loran Table

简明释义

《罗兰表》罗兰表

英英释义

例句

1.The navigator referred to the Loran Table to determine their exact position at sea.

导航员查阅了罗兰表以确定他们在海上的确切位置。

2.In training, we learned how to read the Loran Table for better navigation skills.

在培训中，我们学习了如何阅读罗兰表以提高导航技能。

3.The Loran Table is essential for ensuring safe passage through foggy waters.

在雾霭弥漫的水域中，罗兰表对于确保安全通行至关重要。

4.Before setting sail, the captain checked the Loran Table for any updates.

在起航之前，船长查看了罗兰表以获取最新信息。

5.Using the Loran Table, the crew was able to adjust their course accurately.

利用罗兰表，船员能够准确调整航向。

作文

The concept of navigation has evolved significantly over the years, and one of the essential tools in this evolution is the Loran Table. The Loran Table is a vital resource used in marine navigation, particularly before the advent of modern GPS technology. It provides navigators with the necessary data to determine their position accurately using Loran (Long Range Navigation) signals. This method was widely used during the mid-20th century and played a crucial role in maritime safety and navigation. Understanding the Loran Table requires knowledge of how Loran systems work. These systems use low-frequency radio signals transmitted from a network of fixed land-based stations. By receiving signals from at least two of these stations, a navigator can calculate their position based on the time it takes for the signals to reach their vessel. The Loran Table serves as a reference guide that correlates the time differences of the received signals with specific geographic locations, allowing navigators to pinpoint their position on a map. In practical terms, using the Loran Table involves several steps. First, a navigator must tune their receiver to the appropriate frequency of the Loran stations. Next, they measure the time difference between the signals from two or more stations. This time difference is then compared to the data presented in the Loran Table, which provides the corresponding positions. This process requires precision and a good understanding of the table's layout and data interpretation. Despite its effectiveness, the use of the Loran Table has declined with the rise of GPS technology, which offers more accurate and user-friendly navigation solutions. However, understanding the Loran Table remains important for historical context and for those who operate in remote areas where GPS signals may be unreliable. Additionally, the principles behind the Loran Table and Loran navigation are foundational to many modern navigation technologies. In conclusion, the Loran Table is not just a piece of navigation equipment; it represents a significant chapter in the history of maritime navigation. Knowing how to use the Loran Table provides insights into the challenges navigators faced before the digital age. While technology continues to advance, the fundamental principles of navigation remain relevant, reminding us of the importance of understanding our tools and the history behind them. As we move forward, appreciating the Loran Table and its contributions to navigation will ensure that we honor the legacy of those who navigated the seas before us.

导航的概念随着时间的推移而显著演变，而在这个演变过程中，一个重要的工具就是Loran Table。Loran Table是海洋导航中一个至关重要的资源，尤其是在现代GPS技术出现之前。它为导航员提供了必要的数据，以便准确确定他们的位置，这一方法在20世纪中叶被广泛使用，并在海上安全和导航中发挥了关键作用。理解Loran Table需要了解Loran系统的工作原理。这些系统使用来自固定陆基站的低频无线电信号进行导航。通过接收来自两个或多个这些站的信号，导航员可以根据信号到达其船只所需的时间来计算其位置。Loran Table作为参考指南，将接收到的信号的时间差与特定地理位置相关联，从而允许导航员在地图上精确定位。在实际操作中，使用Loran Table涉及几个步骤。首先，导航员必须将接收器调谐到适当的Loran站频率。接下来，他们测量来自两个或多个站的信号之间的时间差。然后，将这个时间差与Loran Table中提供的相应位置进行比较。这个过程需要精确性以及对表格布局和数据解释的良好理解。尽管其有效性，随着GPS技术的兴起，使用Loran Table的情况有所减少，后者提供了更准确和用户友好的导航解决方案。然而，了解Loran Table仍然很重要，因为它提供了历史背景，并且对于那些在偏远地区操作的人来说，GPS信号可能不可靠。此外，Loran Table及Loran导航背后的原理是许多现代导航技术的基础。总之，Loran Table不仅仅是一件导航设备；它代表了海洋导航历史中的一个重要篇章。了解如何使用Loran Table可以让人们深入了解导航员在数字时代之前所面临的挑战。尽管技术不断进步，导航的基本原则仍然相关，提醒我们理解我们的工具及其背后的历史的重要性。随着我们向前发展，欣赏Loran Table及其对导航的贡献将确保我们尊重那些在我们之前驾驭海洋的人的遗产。