manual direction finder

简明释义

手动无线电测向仪

英英释义

例句

1.The manual direction finder is essential for sailors who prefer traditional navigation methods.

对于喜欢传统导航方法的水手来说，手动方向探测器是必不可少的。

2.The pilot relied on the manual direction finder to navigate through the fog.

飞行员依靠手动方向探测器在雾中导航。

3.He used a manual direction finder to locate the source of the radio signal.

他使用手动方向探测器定位无线电信号的来源。

4.During the training exercise, each team was given a manual direction finder to test their navigation skills.

在训练演习中，每个小组都被给予了一个手动方向探测器来测试他们的导航技能。

5.In a survival situation, using a manual direction finder can help you find your way back to safety.

在生存情况下，使用手动方向探测器可以帮助你找到回到安全的路。

作文

In the world of navigation and communication, various tools and devices have been developed to assist individuals in finding their way. One such tool is the manual direction finder, a device that plays a crucial role in determining the direction of signals from radio transmitters. The manual direction finder is particularly useful in situations where electronic navigation systems may fail or when users prefer a hands-on approach to navigation.The concept behind the manual direction finder is relatively straightforward. It typically consists of a directional antenna that can be rotated to determine the angle of incoming signals. By adjusting the antenna and observing the signal strength, the user can ascertain the direction from which the signal is coming. This method allows for precise navigation, especially in remote areas where GPS signals may not be reliable.One of the primary advantages of using a manual direction finder is its simplicity and reliability. Unlike electronic devices that may require batteries or complex circuitry, the manual direction finder operates purely on mechanical principles. This makes it an excellent choice for outdoor enthusiasts, sailors, and aviators who may find themselves in situations where electronic devices are impractical.Additionally, the manual direction finder fosters a deeper understanding of navigation principles. By using this device, individuals learn to interpret signals and understand the basics of radio wave propagation. This knowledge can be invaluable in emergency situations where quick thinking and a solid grasp of navigation concepts are essential.While modern technology has introduced advanced navigation systems that offer automated and highly accurate positioning, the manual direction finder remains relevant. In fact, many professionals in the field of aviation and maritime navigation still include it in their toolkit as a backup option. The ability to manually track signals can be a lifesaver when high-tech gadgets fail due to technical malfunctions or unexpected environmental conditions.Moreover, the manual direction finder can be used in various applications beyond traditional navigation. For instance, it can be employed in search and rescue operations, where locating a distress signal is critical. Similarly, amateur radio operators often utilize the manual direction finder to locate other stations and improve their communication strategies.In conclusion, the manual direction finder is an essential tool that combines simplicity with effectiveness. Its ability to provide direction without reliance on electronic systems makes it a valuable asset for navigators and adventurers alike. As technology continues to evolve, the importance of understanding and utilizing such fundamental devices should not be overlooked. The manual direction finder not only serves practical purposes but also enriches our knowledge of navigation and communication principles, ensuring that we remain adept at finding our way, even in challenging circumstances.

在导航和通信的世界中，各种工具和设备被开发出来，以帮助人们找到方向。其中一个重要工具是手动方向探测器，它在确定来自无线电发射器信号的方向方面发挥着重要作用。手动方向探测器在电子导航系统可能失效或用户更喜欢手动导航的方法时特别有用。手动方向探测器的概念相对简单。它通常由一个可以旋转的定向天线组成，用于确定接收信号的角度。通过调整天线并观察信号强度，用户可以确定信号来源的方向。这种方法允许精确导航，特别是在GPS信号可能不可靠的偏远地区。使用手动方向探测器的主要优点之一是其简单性和可靠性。与可能需要电池或复杂电路的电子设备不同，手动方向探测器完全基于机械原理。这使得它成为户外爱好者、航海者和飞行员的优秀选择，他们可能会发现自己处于电子设备不切实际的情况中。此外，手动方向探测器促进了对导航原理的更深入理解。通过使用该设备，个人学习解读信号并理解无线电波传播的基本知识。这种知识在紧急情况下非常宝贵，因为快速思考和扎实的导航概念至关重要。虽然现代技术引入了先进的导航系统，提供自动化和高精度定位，但手动方向探测器仍然保持相关性。实际上，许多航空和海洋导航领域的专业人士仍将其作为工具包中的备用选项。手动跟踪信号的能力在高科技设备因技术故障或意外环境条件而失效时可能是救命稻草。此外，手动方向探测器可以用于超越传统导航的各种应用。例如，它可以用于搜救行动，在这些行动中，定位求救信号至关重要。同样，业余无线电操作员经常利用手动方向探测器来定位其他站点并改善他们的通信策略。总之，手动方向探测器是一种结合简单性和有效性的基本工具。它在不依赖电子系统的情况下提供方向的能力，使其成为导航者和冒险者的宝贵资产。随着技术的不断发展，理解和利用这种基本设备的重要性不应被忽视。手动方向探测器不仅具有实用目的，还丰富了我们对导航和通信原理的知识，确保我们能够在挑战性环境中找到方向。