low-frequency Loran

简明释义

低频罗兰

英英释义

例句

1.Many fishermen depend on low-frequency Loran to find their way back to shore.

许多渔民依靠低频Loran找到返回岸边的路。

2.The navigation system relies on low-frequency Loran for accurate positioning.

该导航系统依赖于低频Loran进行准确定位。

3.During the storm, the low-frequency Loran system remained operational.

在风暴期间，低频Loran系统保持正常运作。

4.The military uses low-frequency Loran for navigation in remote locations.

军方在偏远地区使用低频Loran进行导航。

5.In coastal areas, low-frequency Loran signals can enhance maritime safety.

在沿海地区，低频Loran信号可以增强海上安全。

作文

In the realm of navigation and communication, various systems have been developed to ensure accurate positioning and reliable signal transmission. Among these systems, low-frequency Loran stands out as a significant technology that has played a crucial role in maritime and aerial navigation. This system utilizes low-frequency radio signals to determine the position of a vessel or an aircraft with remarkable precision. The term 'Loran' itself is derived from 'Long Range Navigation', which aptly describes its primary function. The low-frequency Loran system operates by transmitting signals from a network of ground-based stations. These stations emit synchronized signals at low frequencies, which can travel long distances without significant degradation. When a receiver on a ship or aircraft picks up these signals, it calculates the time it takes for each signal to arrive. By comparing the time differences between the signals received from multiple stations, the system can triangulate the exact position of the receiver. One of the key advantages of low-frequency Loran is its ability to provide reliable navigation solutions even in challenging environments. Unlike satellite-based systems, which may be affected by weather conditions or obstructions, low-frequency Loran can penetrate through clouds and other barriers. This makes it particularly useful for navigation in coastal areas, where tall buildings or natural features might obstruct satellite signals. Additionally, the low frequency of the signals allows them to travel further, making this system suitable for vast oceanic expanses where other navigation aids may fall short.Historically, low-frequency Loran has been utilized extensively by the maritime industry. Ships have relied on this system for decades to navigate safely across oceans and avoid hazards. As technology has advanced, however, the reliance on satellite-based navigation systems such as GPS has increased. Despite this shift, low-frequency Loran remains relevant, especially in situations where GPS signals may be weak or unavailable. Furthermore, the implementation of low-frequency Loran is not limited to maritime navigation; it also finds applications in aviation. Pilots can use this system to enhance their situational awareness during flights, particularly in regions where GPS coverage is inconsistent. The redundancy provided by low-frequency Loran serves as a safety net, ensuring that navigators have access to alternative means of determining their location. In recent years, there has been a renewed interest in low-frequency Loran as a complementary technology to modern navigation systems. With advancements in digital signal processing and improvements in receiver technology, the accuracy and reliability of low-frequency Loran have significantly improved. This resurgence is particularly important considering the increasing vulnerability of satellite systems to interference and cyber threats. In conclusion, low-frequency Loran remains a vital component of navigation technology. Its ability to provide accurate positioning information, even in adverse conditions, makes it an invaluable tool for both maritime and aviation industries. As we continue to rely on technology for navigation, understanding and appreciating the significance of low-frequency Loran will ensure that we maintain a robust and reliable navigation infrastructure for the future.

在导航和通信领域，已经开发出各种系统，以确保准确的定位和可靠的信号传输。在这些系统中，低频Loran作为一项重要技术，在海洋和航空导航中发挥了至关重要的作用。该系统利用低频无线电信号，以显著的精确度确定船只或飞机的位置。“Loran”一词本身源自“长距离导航”，这恰好描述了它的主要功能。低频Loran系统通过从一组地面站发送信号来运行。这些站以低频率发射同步信号，这些信号可以在不显著衰减的情况下传播很远。当船只或飞机上的接收器接收到这些信号时，它会计算每个信号到达所需的时间。通过比较从多个站接收的信号之间的时间差，该系统可以三角测量接收器的确切位置。低频Loran的一个关键优势是它在挑战性环境中提供可靠导航解决方案的能力。与可能受到天气条件或障碍物影响的卫星导航系统不同，低频Loran能够穿透云层和其他障碍物。这使得它在沿海地区的导航中特别有用，因为高楼大厦或自然特征可能会阻碍卫星信号。此外，信号的低频率使它们能够传播更远，使该系统适合广阔的海洋区域，在这些区域，其他导航工具可能无法满足需求。历史上，低频Loran被海事行业广泛使用。船只数十年来一直依赖该系统安全地在海洋上航行并避免危险。然而，随着技术的进步，对基于卫星的导航系统（如GPS）的依赖有所增加。尽管发生了这种转变，低频Loran仍然具有相关性，尤其是在GPS信号可能较弱或不可用的情况下。此外，低频Loran的实施不仅限于海洋导航；它还在航空中找到了应用。飞行员可以利用该系统增强他们在飞行中的态势感知，特别是在GPS覆盖不一致的地区。低频Loran提供的冗余作为安全网，确保导航员可以访问确定其位置的替代手段。近年来，对低频Loran的兴趣重新燃起，作为现代导航系统的补充技术。随着数字信号处理的进步和接收器技术的改进，低频Loran的准确性和可靠性显著提高。这种复兴尤为重要，因为卫星系统日益容易受到干扰和网络威胁。总之，低频Loran仍然是导航技术的重要组成部分。它在不利条件下提供准确定位信息的能力，使其成为海洋和航空行业不可或缺的工具。随着我们继续依赖技术进行导航，理解和欣赏低频Loran的重要性将确保我们为未来维护强大而可靠的导航基础设施。