medium frequency direction finder

简明释义

中频测向仪

英英释义

A medium frequency direction finder is a navigational instrument used to determine the direction of radio waves transmitted at medium frequencies, typically between 300 kHz and 3 MHz.

中频方向探测器是一种导航仪器,用于确定在中频(通常在300 kHz到3 MHz之间)发射的无线电波的方向。

例句

1.The military uses a medium frequency direction finder to intercept enemy communications and gather intelligence.

军方使用中频方向探测器来拦截敌方通信并收集情报。

2.During the search and rescue operation, the team relied on a medium frequency direction finder to track emergency beacons.

在搜救行动中,团队依靠中频方向探测器来追踪紧急信标。

3.The medium frequency direction finder is essential for maritime communication, allowing ships to determine the direction of incoming signals.

对于海洋通信而言,中频方向探测器是必不可少的,使船只能够确定来电信号的方向。

4.In aviation, a medium frequency direction finder can help pilots navigate by identifying ground station locations.

在航空领域,中频方向探测器可以帮助飞行员通过识别地面站位置进行导航。

5.The ship's navigation system includes a medium frequency direction finder to locate radio signals from nearby vessels.

船舶的导航系统包括一个中频方向探测器,用于定位来自附近船只的无线电信号。

作文

In the field of navigation and communication, understanding the tools and technologies that aid in accurate positioning and direction finding is crucial. One such tool is the medium frequency direction finder, which plays a significant role in both maritime and aeronautical navigation. This device is designed to determine the direction of radio waves transmitted at medium frequencies, typically ranging from 300 kHz to 3 MHz. The importance of the medium frequency direction finder cannot be overstated, as it provides vital information for various applications, including search and rescue operations, air traffic control, and vessel tracking.The medium frequency direction finder operates by receiving radio signals from different sources and analyzing their phase and amplitude. By using multiple antennas, the device can triangulate the position of the signal source, allowing users to determine its direction accurately. This capability is essential for pilots and ship captains who rely on precise navigation to ensure safety and efficiency during their journeys.One of the primary advantages of the medium frequency direction finder is its ability to function effectively in adverse weather conditions. Unlike visual navigation methods, which can be severely impacted by fog, rain, or darkness, this electronic device provides reliable information regardless of environmental factors. This reliability makes it an indispensable tool for maritime operations, where visibility can often be compromised.Moreover, the medium frequency direction finder is particularly beneficial for locating distress signals. In emergency situations, every second counts, and the ability to quickly ascertain the direction of a signal can mean the difference between life and death. Search and rescue teams utilize this technology to pinpoint the location of vessels or aircraft in distress, allowing them to respond swiftly and efficiently.The advancement of technology has also led to improvements in the design and functionality of the medium frequency direction finder. Modern devices are equipped with digital signal processing capabilities, enabling them to filter out noise and enhance the clarity of the received signals. This enhancement not only improves the accuracy of direction finding but also increases the range at which signals can be detected.In conclusion, the medium frequency direction finder is a vital instrument in the world of navigation and communication. Its ability to accurately determine the direction of medium frequency radio signals makes it an essential tool for pilots, mariners, and emergency responders alike. As technology continues to evolve, we can expect further advancements in this field, enhancing the effectiveness and reliability of these devices. Understanding the functionality and significance of the medium frequency direction finder is crucial for anyone involved in navigation, ensuring that they can make informed decisions based on accurate directional data.

在导航和通信领域,理解有助于准确定位和方向查找的工具和技术至关重要。其中一个工具是中频方向探测器,它在海洋和航空导航中发挥着重要作用。该设备旨在确定以中频(通常在300 kHz到3 MHz之间)发射的无线电波的方向。中频方向探测器的重要性不言而喻,因为它为包括搜索和救援行动、空中交通控制和船只跟踪等多种应用提供了重要信息。中频方向探测器通过接收来自不同来源的无线电信号并分析其相位和幅度来工作。通过使用多个天线,该设备可以三角测量信号源的位置,从而允许用户准确确定其方向。这一能力对于依赖精确导航以确保安全和效率的飞行员和船长至关重要。中频方向探测器的主要优点之一是它能够在恶劣天气条件下有效工作。与可能受到雾、雨或黑暗严重影响的视觉导航方法不同,这种电子设备无论环境因素如何都能提供可靠的信息。这种可靠性使其成为海洋作业中不可或缺的工具,因为能见度往往会受到影响。此外,中频方向探测器对于定位求救信号也特别有益。在紧急情况下,每一秒都至关重要,快速确定信号方向的能力可能意味着生与死之间的差别。搜索和救援团队利用这项技术快速确定处于困境中的船只或飞机的位置,使他们能够迅速高效地做出反应。技术的进步也导致了中频方向探测器的设计和功能的改善。现代设备配备了数字信号处理能力,使其能够过滤噪声并增强接收信号的清晰度。这种增强不仅提高了方向查找的准确性,还增加了信号可以被检测的范围。总之,中频方向探测器是导航和通信领域的重要工具。它准确确定中频无线电信号方向的能力使其成为飞行员、航海者和紧急响应者的必备工具。随着技术的不断发展,我们可以期待这一领域的进一步进步,提高这些设备的有效性和可靠性。理解中频方向探测器的功能和重要性对于任何参与导航的人来说都是至关重要的,确保他们能够根据准确的方向数据做出明智的决策。

相关单词

frequency

frequency详解:怎么读、什么意思、用法

direction

direction详解:怎么读、什么意思、用法

finder

finder详解:怎么读、什么意思、用法