radio direction finder

简明释义

无线电)测向仪无线电测向仪

英英释义

例句

1.Using a radio direction finder, the amateur radio operator was able to pinpoint the source of the interference.

业余无线电操作员使用无线电方向探测器成功找到了干扰源。

2.The search and rescue team equipped their vehicle with a radio direction finder to locate missing hikers.

搜救队为他们的车辆配备了无线电方向探测器以定位失踪的徒步旅行者。

3.In aviation, a radio direction finder is crucial for determining the aircraft's position relative to ground stations.

在航空中，无线电方向探测器对于确定飞机相对于地面站的位置至关重要。

4.The pilot used the radio direction finder to locate the nearest airport during low visibility conditions.

在能见度低的情况下，飞行员使用了无线电方向探测器来找到最近的机场。

5.Maritime vessels often rely on a radio direction finder for navigation in open waters.

海上船只通常依靠无线电方向探测器在开阔水域进行导航。

作文

The advancement of technology has revolutionized many fields, and navigation is no exception. One of the most significant inventions in this area is the radio direction finder, which has played a crucial role in enhancing the accuracy and efficiency of navigation for both air and sea travel. The radio direction finder is an electronic device that determines the direction of a radio signal, allowing navigators to pinpoint their location with remarkable precision.Originally developed during the early 20th century, the radio direction finder was primarily used in maritime navigation. Sailors relied on it to locate their position relative to radio beacons or other ships. By interpreting the direction of incoming signals, they could effectively triangulate their position on a map. This was particularly vital during foggy conditions or at night when visual cues were limited.In aviation, the importance of the radio direction finder cannot be overstated. Pilots use this technology to navigate through challenging weather conditions and to find their way to airports. The device works by receiving signals from ground-based transmitters and determining the direction from which those signals are coming. This information is then relayed to the pilot, who can adjust their flight path accordingly.One of the key advantages of the radio direction finder is its ability to function even when visibility is poor. Unlike visual navigation methods that rely on landmarks or celestial bodies, the radio direction finder operates independently of external conditions. This reliability has made it an indispensable tool in both commercial and military aviation.Moreover, the technological evolution of the radio direction finder has led to the development of more sophisticated systems. Modern versions incorporate digital technology, providing enhanced accuracy and additional features such as automatic tracking of signals. These advancements have further improved the safety and efficiency of navigation.Despite the rise of satellite-based navigation systems like GPS, the radio direction finder remains relevant today. It serves as a backup system, ensuring that navigators have alternative methods available should they encounter difficulties with satellite signals. This redundancy is crucial, especially in remote areas where GPS might be unreliable due to signal obstructions.In conclusion, the radio direction finder is a vital instrument in the realm of navigation. Its ability to accurately determine direction based on radio signals has transformed how we travel by land, sea, and air. As technology continues to advance, the radio direction finder will likely evolve further, maintaining its significance in ensuring safe and efficient navigation for years to come.

科技的进步彻底改变了许多领域，导航也不例外。在这个领域中，最重要的发明之一就是无线电方向探测器，它在提高海陆空旅行的准确性和效率方面发挥了至关重要的作用。无线电方向探测器是一种电子设备，用于确定无线电信号的方向，从而使导航员能够以惊人的精确度确定他们的位置。无线电方向探测器最初在20世纪初开发，主要用于海洋导航。水手依赖它来定位他们相对于无线电信标或其他船只的位置。通过解读传入信号的方向，他们可以有效地在地图上三角测量他们的位置。这在能见度有限的情况下，尤其是在雾天或夜间，是极其重要的。在航空领域，无线电方向探测器的重要性不言而喻。飞行员利用这项技术在恶劣天气条件下导航，并找到前往机场的路径。该设备通过接收来自地面发射器的信号并确定这些信号来源的方向来工作。这些信息随后被传递给飞行员，飞行员可以相应地调整飞行路径。无线电方向探测器的一个主要优点是它能够在能见度差的情况下仍然正常工作。与依赖地标或天体的视觉导航方法不同，无线电方向探测器独立于外部条件运行。这种可靠性使其成为商业和军事航空中不可或缺的工具。此外，无线电方向探测器的技术演变导致了更复杂系统的发展。现代版本结合了数字技术，提供了更高的准确性和自动跟踪信号等附加功能。这些进步进一步提高了导航的安全性和效率。尽管基于卫星的导航系统如GPS的兴起，无线电方向探测器今天仍然保持相关性。它作为备份系统，确保导航员在遇到卫星信号困难时有替代方法可用。这种冗余性至关重要，特别是在GPS可能因信号阻碍而不可靠的偏远地区。总之，无线电方向探测器是导航领域的重要仪器。它通过无线电信号准确确定方向的能力改变了我们通过陆地、海洋和空中旅行的方式。随着科技的不断进步，无线电方向探测器可能会进一步发展，保持其在确保未来安全高效导航中的重要性。