low-frequency Loran

简明释义

低频劳兰

英英释义

例句

1.The navigation system relies on low-frequency Loran to provide accurate positioning data.

导航系统依赖于低频率洛兰提供准确的定位数据。

2.Fishermen often use low-frequency Loran for locating good fishing spots.

渔民们常常使用低频率洛兰来寻找好的捕鱼地点。

3.In remote areas, low-frequency Loran is essential for reliable navigation.

在偏远地区，低频率洛兰对于可靠导航至关重要。

4.The military employs low-frequency Loran technology for strategic operations.

军方在战略行动中采用低频率洛兰技术。

5.Many boats use low-frequency Loran as a backup to GPS systems.

许多船只将低频率洛兰作为GPS系统的备用。

作文

In the realm of navigation and positioning systems, one cannot overlook the significance of various technologies that have evolved over the years. Among these, low-frequency Loran stands out as a pivotal method for providing accurate location information, particularly in maritime and aviation contexts. This technology, which utilizes low-frequency radio signals, has been instrumental in enhancing navigational capabilities, especially before the advent of more advanced satellite systems.The term low-frequency Loran refers to a type of Loran (Long Range Navigation) system that operates at lower frequencies, typically around 100 kHz. This frequency range allows for long-range transmission, making it suitable for covering vast areas, including oceans and remote land regions. The primary advantage of low-frequency Loran is its ability to penetrate through various environmental conditions, such as fog, storms, and even dense urban settings, where other navigation signals might be obstructed or weakened.Historically, low-frequency Loran was developed during World War II as a means to assist military vessels and aircraft in navigation. Over the decades, it has been adapted for civilian use, proving essential for commercial shipping and aviation industries. The system works by transmitting signals from a network of ground-based stations, which are then received by ships and aircraft equipped with appropriate receivers. By measuring the time it takes for the signals to travel from the transmitter to the receiver, the system can calculate precise locations.One of the key features of low-frequency Loran is its resilience against interference. Unlike higher frequency systems, which can be easily disrupted by atmospheric conditions or physical obstructions, low-frequency Loran signals maintain their integrity over longer distances. This reliability is crucial for navigators who depend on accurate positioning data to ensure safe travel across challenging terrains.As technology continues to advance, the role of low-frequency Loran has evolved. While satellite-based systems like GPS have become the dominant form of navigation, low-frequency Loran still plays a vital role in certain scenarios. For instance, in areas where satellite signals may be weak or unavailable, such as in polar regions or deep canyons, low-frequency Loran provides a dependable alternative. Additionally, it serves as a complementary system to enhance the overall accuracy and reliability of navigation solutions.Moreover, the integration of low-frequency Loran with modern technology presents exciting possibilities for the future. Researchers are exploring ways to combine this traditional navigation method with advanced algorithms and digital communication techniques to improve its functionality. This fusion could lead to enhanced situational awareness for navigators, allowing them to make better-informed decisions while on the move.In conclusion, low-frequency Loran is more than just a relic of the past; it remains a relevant and essential tool in the navigation toolkit. Its ability to provide reliable positioning information in diverse environments underscores its importance in both historical and contemporary contexts. As we look ahead, it is clear that low-frequency Loran will continue to adapt and evolve, ensuring that it remains a valuable asset for navigators around the world.

在导航和定位系统的领域中，不能忽视多年来不断发展的各种技术的重要性。在这些技术中，低频率Loran作为一种关键的方法，尤其是在海洋和航空环境中，提供了准确的位置资讯。这项技术利用低频无线电信号，在先进的卫星系统出现之前，对于增强导航能力发挥了重要作用。低频率Loran这个术语指的是一种在较低频率下运行的Loran（长距离导航）系统，通常在100 kHz左右。这个频率范围允许进行远程传输，使其适合覆盖广阔的区域，包括海洋和偏远的陆地区域。低频率Loran的主要优势在于其能够穿透各种环境条件，如雾、风暴甚至密集的城市设置，在这些情况下，其他导航信号可能会受到阻碍或减弱。历史上，低频率Loran是在第二次世界大战期间开发的，作为帮助军事舰艇和飞机导航的一种手段。几十年来，它被改编为民用，证明对商业航运和航空工业至关重要。该系统通过一组地面基站发送信号，配备适当接收器的船舶和飞机接收这些信号。通过测量信号从发射器到接收器所需的时间，该系统可以计算出精确的位置。低频率Loran的一个关键特点是其抵抗干扰的能力。与高频率系统不同，高频率系统容易受到大气条件或物理障碍的干扰，而低频率Loran信号在更长的距离上保持其完整性。这种可靠性对于依赖准确定位数据以确保安全旅行的导航员至关重要。随着技术的不断进步，低频率Loran的角色也在演变。虽然基于卫星的系统如GPS已成为主流导航形式，但在某些场景中，低频率Loran仍然发挥着重要作用。例如，在卫星信号可能较弱或不可用的地区，如极地地区或深峡谷，低频率Loran提供了一个可靠的替代方案。此外，它作为一个补充系统，提高了导航解决方案的整体准确性和可靠性。此外，将低频率Loran与现代技术相结合，为未来带来了令人兴奋的可能性。研究人员正在探索将这种传统导航方法与先进算法和数字通信技术相结合的方式，以提高其功能。这种融合可能会为导航员提供增强的情境意识，使他们在移动时能够做出更明智的决策。总之，低频率Loran不仅仅是过去的遗物；它仍然是导航工具箱中的相关和重要工具。它在不同环境中提供可靠定位信息的能力突显了其在历史和当代背景中的重要性。展望未来，显然低频率Loran将继续适应和发展，确保它仍然是全球导航员的宝贵资产。