Loran navigation

简明释义

罗兰导航

英英释义

例句

1.The reliability of Loran navigation made it a favorite among sailors in the 20th century.

在20世纪，Loran导航的可靠性使其成为水手们的最爱。

2.Many fishing boats still use Loran navigation to find the best fishing spots.

许多渔船仍然使用Loran导航来寻找最佳捕鱼地点。

3.Although GPS is more common now, some pilots still prefer Loran navigation for backup.

尽管现在GPS更为常见，但一些飞行员仍然喜欢将Loran导航作为备份。

4.The ship relied on Loran navigation for accurate positioning during its journey.

这艘船在航行过程中依赖于Loran导航以获得准确的位置。

5.In the past, Loran navigation was essential for military operations at sea.

在过去，Loran导航对海上的军事行动至关重要。

作文

Loran navigation is a system that has been used for decades to determine the position of a vessel or aircraft. The term "Loran" stands for Long Range Navigation, and it is a radio navigation system that relies on time differences in radio signals received from multiple transmitters. This method allows for accurate positioning, which is crucial for maritime and aviation operations. As technology has evolved, many newer systems have emerged, but understanding the fundamentals of Loran navigation is essential for appreciating the history and development of navigational aids.The basic principle behind Loran navigation involves the transmission of radio signals from a network of ground-based stations. These stations emit signals at precise intervals, and the receiving equipment on a ship or aircraft calculates its position based on the time it takes for the signals to travel from the transmitters to the receiver. By comparing the time differences between these signals, the system can triangulate the exact location of the user. This method provides a level of accuracy that was revolutionary at the time of its inception.One of the significant advantages of Loran navigation is its ability to operate effectively over long distances. Unlike some modern GPS systems that may struggle in densely populated urban areas or regions with poor satellite visibility, Loran can provide reliable positioning information in various environments. This characteristic made it particularly valuable for naval operations during World War II and the subsequent Cold War era, where accurate navigation was critical.Despite its effectiveness, Loran navigation faced challenges with the advent of satellite-based navigation systems, such as GPS. The Global Positioning System offered greater accuracy and ease of use, leading to a decline in the utilization of Loran technology. However, the importance of having a backup navigation system became evident, especially in situations where GPS signals could be disrupted, such as during solar flares or in areas with heavy electronic interference.In recent years, there has been a renewed interest in Loran navigation as a viable alternative or complementary system to GPS. Researchers and engineers have worked on enhancing the technology, creating systems like eLoran, which incorporates modern advancements while retaining the core principles of traditional Loran. These developments aim to improve the reliability and accuracy of navigation systems, ensuring that users have access to dependable positioning information at all times.In conclusion, Loran navigation represents a significant milestone in the evolution of navigational aids. Its historical significance, coupled with modern enhancements, highlights the need for diverse navigation solutions in an increasingly complex world. As we continue to rely on technology for our navigation needs, understanding the foundations laid by systems like Loran will help us appreciate the advancements we enjoy today and prepare for the future of navigation technology.

Loran导航是一种已经使用了几十年的系统，用于确定船只或飞机的位置。术语“Loran”代表长距离导航，它是一种无线电导航系统，依赖于从多个发射器接收的无线电信号的时间差。这种方法允许进行准确定位，这对海洋和航空操作至关重要。随着技术的发展，许多新的系统相继出现，但理解Loran导航的基本原理对于欣赏导航辅助设备的历史和发展是至关重要的。Loran导航的基本原理涉及从一组地面基站传输无线电信号。这些基站以精确的时间间隔发射信号，船只或飞机上的接收设备根据信号从发射器到接收器所需的时间来计算其位置。通过比较这些信号之间的时间差，该系统可以三角测量用户的确切位置。这种方法提供的准确度在其诞生时是革命性的。Loran导航的一个显著优势是其在长距离内有效工作的能力。与一些现代GPS系统在城市密集地区或卫星可见性差的区域可能遇到的困难不同，Loran能够在各种环境中提供可靠的定位信息。这一特性使其在第二次世界大战及随后的冷战时期对海军行动特别有价值，因为准确导航至关重要。尽管Loran导航效果显著，但随着卫星导航系统（如GPS）的出现，其面临挑战。全球定位系统提供了更高的准确性和易用性，导致Loran技术的使用下降。然而，拥有备用导航系统的重要性变得显而易见，尤其是在GPS信号可能受到干扰的情况下，例如在太阳耀斑期间或在电子干扰严重的地区。近年来，人们对Loran导航作为GPS的可行替代方案或补充系统重新产生了兴趣。研究人员和工程师致力于增强这一技术，创建了如eLoran这样的系统，它结合了现代进步，同时保留了传统Loran的核心原则。这些发展旨在提高导航系统的可靠性和准确性，确保用户始终可以获得可靠的定位信息。总之，Loran导航代表了导航辅助设备演变中的一个重要里程碑。它的历史意义，加上现代增强，突显了在日益复杂的世界中需要多样化导航解决方案。随着我们继续依赖技术满足导航需求，理解像Loran这样的系统所奠定的基础将帮助我们欣赏今天所享有的进步，并为未来的导航技术做好准备。