standard loran

简明释义

罗兰A

英英释义

例句

1.The aviation industry has largely moved away from standard loran due to advancements in technology.

由于技术进步，航空业已基本不再使用标准长距离无线电导航。

2.The ship's navigation system relies on standard loran for accurate positioning.

船只的导航系统依赖于标准长距离无线电导航以获得准确的位置。

3.During the training session, we learned how to interpret standard loran signals.

在培训课程中，我们学习了如何解读标准长距离无线电导航信号。

4.In coastal areas, standard loran is often used to supplement GPS signals.

在沿海地区，标准长距离无线电导航通常用于补充GPS信号。

5.The fishing fleet uses standard loran to navigate safely in foggy conditions.

渔船队在雾霭天气中使用标准长距离无线电导航安全航行。

作文

In the realm of navigation and positioning, the term standard loran holds significant importance. This technology, which stands for Long Range Navigation, was developed during World War II and has since evolved to become a vital tool for maritime and aerial navigation. Understanding the concept of standard loran is crucial for those involved in fields such as aviation, shipping, and even outdoor recreational activities. The basic principle of standard loran involves the use of ground-based radio transmitters that emit signals at precise intervals. These signals are received by a navigator's equipment, which calculates the distance from the transmitter based on the time it takes for the signal to travel. By triangulating signals from multiple transmitters, users can determine their exact position on the Earth’s surface. One of the primary advantages of standard loran is its ability to provide accurate positioning over vast distances. Before the advent of GPS technology, standard loran was widely used for navigation across oceans and remote areas where traditional maps were inadequate. The system proved particularly beneficial for commercial shipping routes, allowing vessels to navigate safely and efficiently. However, with the introduction of Global Positioning System (GPS) technology, the use of standard loran has diminished in recent years. GPS offers higher accuracy and reliability, making it the preferred choice for many navigators. Despite this, standard loran remains relevant in certain applications, especially as a backup system. In cases where GPS signals may be obstructed or unreliable, standard loran can still provide essential navigation data. Additionally, standard loran has undergone various upgrades to enhance its functionality. Modern iterations of the system, known as Enhanced Loran (eLoran), aim to improve accuracy and reliability further. eLoran incorporates advanced technologies and techniques, making it a viable option for critical navigation needs, such as in aviation and emergency response situations. Moreover, understanding standard loran is not only important for professionals in navigation but also for individuals who engage in outdoor activities like hiking, sailing, or fishing. Knowledge of this system can help them utilize available resources effectively, ensuring safety and efficiency during their adventures. In conclusion, the term standard loran represents a pivotal development in navigation technology. While it may not be as widely used as GPS today, its historical significance and continued relevance in specific contexts cannot be overlooked. As technology continues to evolve, understanding systems like standard loran will remain essential for anyone involved in navigation and positioning, ensuring they are prepared for any situation that may arise.

在导航和定位领域，术语standard loran具有重要意义。这项技术，即长距离导航（Long Range Navigation），是在第二次世界大战期间开发的，并且自那时以来，它已演变为海洋和空中导航的重要工具。理解standard loran的概念对于参与航空、航运乃至户外休闲活动的人员至关重要。

standard loran的基本原理涉及使用地面无线电发射器，这些发射器以精确的间隔发出信号。这些信号被导航设备接收，该设备根据信号传播所需的时间计算与发射器的距离。通过三角测量来自多个发射器的信号，用户可以确定他们在地球表面的确切位置。

standard loran的主要优点之一是它能够在广阔的距离上提供准确的定位。在全球定位系统（GPS）技术出现之前，standard loran被广泛用于跨越海洋和偏远地区的导航，在这些地方传统地图不足以满足需求。该系统对商业航运路线特别有利，使船只能够安全高效地航行。

然而，随着全球定位系统（GPS）技术的引入，近年来standard loran的使用有所减少。GPS提供更高的准确性和可靠性，使其成为许多导航者的首选。尽管如此，standard loran在某些应用中仍然相关，特别是作为备用系统。在GPS信号可能被阻碍或不可靠的情况下，standard loran仍然可以提供重要的导航数据。

此外，standard loran经过各种升级，以增强其功能。该系统的现代版本，称为增强型Loran（eLoran），旨在进一步提高准确性和可靠性。eLoran结合了先进的技术和方法，使其成为关键导航需求（如航空和应急响应情况）的可行选择。

此外，了解standard loran不仅对导航专业人员重要，对从事户外活动（如徒步旅行、航海或钓鱼）的人来说也同样重要。对该系统的知识可以帮助他们有效利用现有资源，确保在冒险过程中安全高效。

总之，术语standard loran代表了导航技术中的一个重要发展。尽管今天它可能没有GPS那么广泛使用，但其历史意义及在特定背景下的持续相关性不容忽视。随着技术的不断发展，理解像standard loran这样的系统将对任何参与导航和定位的人保持至关重要，确保他们为可能出现的任何情况做好准备。