ultra-high-frequency direction finder

简明释义

特高频测向仪

英英释义

例句

1.In maritime navigation, an ultra-high-frequency direction finder helps ships determine their position relative to radio beacons.

在海洋导航中，超高频方向探测器帮助船只确定其相对于无线电信标的位置。

2.The ultra-high-frequency direction finder is essential for ensuring safe landings at airports by providing accurate location data.

超高频方向探测器对于确保机场安全着陆至关重要，因为它提供了准确的位置数据。

3.The military employs an ultra-high-frequency direction finder for tracking enemy communications.

军方使用超高频方向探测器跟踪敌方通信。

4.During the air traffic control training, we learned how to operate an ultra-high-frequency direction finder effectively.

在空中交通控制培训中，我们学习了如何有效地操作超高频方向探测器。

5.The rescue team used an ultra-high-frequency direction finder to locate the missing hikers in the dense forest.

救援队使用超高频方向探测器在密林中找到失踪的徒步旅行者。

作文

In today's technologically advanced world, communication and navigation play crucial roles in various fields, including aviation, maritime operations, and emergency services. One of the essential tools that facilitate these functions is the ultra-high-frequency direction finder. This sophisticated device allows users to determine the direction of a radio signal, which is vital for locating sources of communication or guiding vehicles and vessels accurately. Understanding the significance and operation of the ultra-high-frequency direction finder can enhance our appreciation of modern navigation systems.The ultra-high-frequency direction finder operates within the ultra-high frequency (UHF) range, typically from 300 MHz to 3 GHz. This frequency range is beneficial for various applications, including television broadcasting, mobile phones, and satellite communications. The ability to receive and process signals at these frequencies makes the ultra-high-frequency direction finder an invaluable asset in both civilian and military contexts.One of the primary advantages of using an ultra-high-frequency direction finder is its precision. By analyzing the phase difference of incoming signals, the device can accurately pinpoint the direction from which the signal is transmitted. This capability is particularly useful in search and rescue operations, where locating stranded individuals or vessels quickly can be a matter of life and death. Emergency responders rely on the ultra-high-frequency direction finder to track down distress signals and provide timely assistance.Moreover, the ultra-high-frequency direction finder is essential in air traffic control. Air traffic controllers use this technology to monitor aircraft movements, ensuring safe distances between planes and efficient routing through busy airspaces. The ability to determine the exact location of an aircraft enhances safety and minimizes the risk of accidents. Additionally, pilots can utilize handheld ultra-high-frequency direction finders to navigate more effectively, especially in areas with limited visibility or challenging weather conditions.In maritime operations, the ultra-high-frequency direction finder serves as a critical tool for navigation and communication. Ships equipped with this technology can receive signals from coastal stations or other vessels, allowing them to maintain contact and avoid collisions. In congested waterways, where multiple vessels operate simultaneously, having accurate directional information is vital for safe navigation.Furthermore, the ultra-high-frequency direction finder has applications in military operations. Armed forces utilize this technology for reconnaissance and surveillance missions, enabling them to detect enemy communications and movements. By accurately determining the source of radio signals, military personnel can strategize their operations more effectively, enhancing their overall mission success.In conclusion, the ultra-high-frequency direction finder is a remarkable technological advancement that significantly impacts various sectors. Its ability to accurately determine the direction of radio signals enhances safety and efficiency in aviation, maritime operations, and emergency services. As we continue to advance in technology, the role of devices like the ultra-high-frequency direction finder will only become more critical, shaping the future of navigation and communication. Understanding how this device works and its importance can help us appreciate the intricate systems that keep our world connected and safe.

在当今技术先进的世界中，通信和导航在航空、海事操作和紧急服务等多个领域发挥着至关重要的作用。促进这些功能的基本工具之一是超高频方向探测器。这种复杂的设备允许用户确定无线电信号的方向，这对于定位通信源或准确引导车辆和船只至关重要。理解超高频方向探测器的重要性和操作可以增强我们对现代导航系统的欣赏。超高频方向探测器在超高频（UHF）范围内工作，通常从300 MHz到3 GHz。这个频率范围在包括电视广播、手机和卫星通信等各种应用中都很有用。能够接收和处理这些频率的信号，使得超高频方向探测器在民用和军事背景中成为无价之宝。使用超高频方向探测器的主要优点之一是其精确性。通过分析传入信号的相位差，该设备可以准确地确定信号发射的方向。这种能力在搜救行动中尤为重要，在这些情况下，快速定位被困个人或船只可能是生死攸关的问题。紧急救援人员依赖超高频方向探测器来追踪求救信号并提供及时的帮助。此外，超高频方向探测器在空中交通管制中也是必不可少的。空中交通管制员使用这项技术来监控飞机的移动，确保飞机之间保持安全距离，并在繁忙的空域中进行高效的航线规划。确定飞机的确切位置的能力增强了安全性，最小化了事故的风险。此外，飞行员可以利用手持式超高频方向探测器更有效地导航，尤其是在能见度有限或天气条件恶劣的区域。在海事操作中，超高频方向探测器作为导航和通信的关键工具。配备这项技术的船只可以接收来自沿海站或其他船只的信号，从而保持联系并避免碰撞。在拥挤的水道中，多艘船只同时运行，拥有准确的方向信息对于安全导航至关重要。此外，超高频方向探测器在军事行动中也有应用。武装部队利用这项技术进行侦察和监视任务，使他们能够检测敌方通信和移动。通过准确确定无线电信号的来源，军事人员可以更有效地制定战略，提高整体任务成功率。总之，超高频方向探测器是一项显著的技术进步，对多个行业产生了重大影响。它准确确定无线电信号方向的能力增强了航空、海事操作和紧急服务的安全性和效率。随着我们在技术上的不断进步，像超高频方向探测器这样的设备的作用将变得更加重要，塑造导航和通信的未来。理解该设备的工作原理及其重要性，可以帮助我们欣赏那些使我们的世界保持联系和安全的复杂系统。