low frequency LORAN

简明释义

低频劳兰

英英释义

例句

1.Many ships have been equipped with low frequency LORAN systems to ensure they stay on course.

许多船只已装备了低频LORAN系统，以确保它们保持航向。

2.The research team is studying the effectiveness of low frequency LORAN in remote areas.

研究小组正在研究低频LORAN在偏远地区的有效性。

3.The maritime navigation system relies heavily on low frequency LORAN for accurate positioning.

海洋导航系统在准确定位方面严重依赖于低频LORAN。

4.In coastal regions, low frequency LORAN signals are critical for safe navigation.

在沿海地区，低频LORAN信号对于安全导航至关重要。

5.Using low frequency LORAN can enhance the reliability of our navigation during bad weather.

使用低频LORAN可以提高我们在恶劣天气下的导航可靠性。

作文

In the realm of navigation and positioning systems, the term low frequency LORAN refers to a specific type of LORAN (Long Range Navigation) system that operates at lower frequencies compared to its counterparts. This technology has played a crucial role in maritime navigation, particularly during the mid-20th century when satellite-based systems were not yet prevalent. The low frequency LORAN system utilizes low-frequency radio signals to determine the position of a vessel or aircraft by measuring the time it takes for the signals to travel from a network of fixed land-based transmitters to the receiver. One of the key advantages of low frequency LORAN is its ability to provide reliable navigation information over vast distances. The low frequency signals can travel long distances and penetrate through various environmental conditions, such as fog, rain, and even some types of terrain. This made it an indispensable tool for mariners who navigated in challenging weather conditions or in areas where visibility was limited. Furthermore, low frequency LORAN systems have a relatively low operational cost compared to satellite systems, making them accessible for various users, including smaller vessels and recreational boaters.However, as technology advanced, the reliance on low frequency LORAN began to diminish with the advent of Global Positioning Systems (GPS). GPS offered higher accuracy and global coverage, which made it the preferred choice for navigation. Despite this shift, there are still regions where low frequency LORAN remains relevant, particularly in areas where GPS signals may be weak or unreliable, such as coastal waters or densely forested regions. The resilience of low frequency LORAN against interference and its ability to function without the need for satellite infrastructure ensures that it retains a niche following among certain maritime communities.In recent years, there has been a renewed interest in low frequency LORAN as a complementary system to GPS. With the increasing concerns over GPS vulnerabilities, including signal jamming and spoofing, the robustness of low frequency LORAN presents an appealing alternative for critical navigation applications. Some researchers and organizations are exploring ways to integrate low frequency LORAN with modern technologies to enhance navigation safety and reliability.In conclusion, low frequency LORAN is an essential component of the historical landscape of navigation technology. While it may not be as widely used today due to the dominance of GPS, its unique characteristics and advantages ensure that it remains a relevant option, especially in specific contexts where GPS may falter. As we continue to advance into a future reliant on technology, understanding and preserving systems like low frequency LORAN can provide valuable lessons and alternatives for robust navigation solutions.

在导航和定位系统的领域中，术语低频LORAN指的是一种特定类型的LORAN（长距离导航）系统，它与其同类相比在较低频率下运行。这项技术在20世纪中叶的海洋导航中发挥了至关重要的作用，当时卫星系统尚未普及。低频LORAN系统利用低频无线电信号，通过测量信号从固定的陆基发射器传输到接收器所需的时间来确定船只或飞机的位置。 低频LORAN的一个主要优点是它能够在广阔的距离上提供可靠的导航信息。低频信号可以在长距离传播，并穿透各种环境条件，如雾、雨，甚至某些地形。这使得它成为在恶劣天气条件下航行的海员不可或缺的工具，尤其是在能见度有限的区域。此外，与卫星系统相比，低频LORAN系统的运营成本相对较低，使其对包括小型船只和休闲船员在内的各种用户都可及。然而，随着技术的进步，随着全球定位系统（GPS）的出现，对低频LORAN的依赖开始减少。GPS提供了更高的精度和全球覆盖范围，这使其成为导航的首选。尽管发生了这种转变，但在某些地区，特别是在GPS信号可能较弱或不可靠的区域，如沿海水域或密集森林地区，低频LORAN仍然保持相关性。低频LORAN对干扰的抵抗力及其无需卫星基础设施即可运作的能力，确保它在某些海事社区中保持小众追随。近年来，随着人们对GPS脆弱性的日益关注，低频LORAN作为GPS的补充系统重新引起了人们的兴趣。随着对GPS信号干扰和欺骗的担忧增加，低频LORAN的稳健性为关键导航应用提供了一个有吸引力的替代方案。一些研究人员和组织正在探索将低频LORAN与现代技术相结合的方法，以增强导航的安全性和可靠性。总之，低频LORAN是导航技术历史景观的重要组成部分。尽管由于GPS的主导地位，它可能不会像以前那样广泛使用，但其独特的特征和优势确保它仍然是一个相关的选择，特别是在GPS可能失效的特定背景中。随着我们继续迈向一个依赖技术的未来，理解和保留像低频LORAN这样的系统可以为强大的导航解决方案提供宝贵的经验教训和替代方案。