low-frequency omnidirectional range

简明释义

低频全向作用距离

英英释义

例句

1.We rely on the low-frequency omnidirectional range for navigation when flying over oceans where other signals may be weak.

在飞越信号可能较弱的海洋时，我们依赖低频全向范围进行导航。

2.During training, pilots learned how to interpret signals from the low-frequency omnidirectional range to ensure accurate positioning.

在训练中，飞行员学习如何解读来自低频全向范围的信号，以确保准确定位。

3.The low-frequency omnidirectional range system helps in maintaining communication with ground control in remote areas.

在偏远地区，低频全向范围系统有助于与地面控制保持通信。

4.The aircraft navigated using the low-frequency omnidirectional range, which is essential for long-distance flights.

飞机使用低频全向范围进行导航，这对长途飞行至关重要。

5.The low-frequency omnidirectional range provides a stable reference point for aircraft during approach and landing.

在进场和着陆期间，低频全向范围为飞机提供了稳定的参考点。

作文

In the field of aviation and navigation, the term low-frequency omnidirectional range refers to a type of radio navigation system that emits signals in a low frequency range. This system is essential for guiding aircraft during both takeoff and landing phases, as well as for en route navigation. The low-frequency omnidirectional range provides pilots with crucial information about their position relative to a specific point on the ground, typically an airport or waypoint. The technology behind the low-frequency omnidirectional range involves the transmission of radio waves that can travel long distances, making it particularly useful in areas where other navigation aids may not be available. Unlike higher frequency systems, which may be limited by line-of-sight propagation, the low-frequency signals can diffract around obstacles such as mountains and buildings, allowing for greater coverage in varied terrain. This characteristic makes the low-frequency omnidirectional range a reliable choice for many regions across the globe.One of the significant advantages of using a low-frequency omnidirectional range is its ability to provide continuous and consistent guidance to pilots. The system operates by broadcasting a series of signals that are received by aircraft equipped with appropriate navigation instruments. These instruments interpret the signals and help pilots determine their bearing and distance from the station. This real-time information is vital for maintaining safe flight operations, especially in poor visibility conditions or during inclement weather.Moreover, the low-frequency omnidirectional range is designed to be user-friendly, allowing pilots to focus on flying rather than navigating. The simplicity of the system means that even less experienced pilots can effectively utilize it without extensive training. This accessibility contributes to overall flight safety, as more pilots can confidently navigate using this technology.However, despite its many benefits, the low-frequency omnidirectional range does have some limitations. For instance, while it excels in long-range navigation, its accuracy diminishes at shorter distances. This can pose challenges when pilots are attempting to land, as they may require more precise guidance than what the low-frequency omnidirectional range can provide. To address this issue, airports often supplement the low-frequency omnidirectional range with additional systems that offer enhanced precision, such as Instrument Landing Systems (ILS).In conclusion, the low-frequency omnidirectional range plays a critical role in modern aviation by providing reliable navigation support to pilots. Its ability to transmit signals over long distances and around obstacles makes it an indispensable tool in various geographical locations. While it does have certain limitations, the advantages it offers in terms of accessibility and ease of use cannot be overstated. As technology continues to evolve, it will be interesting to see how the low-frequency omnidirectional range adapts and integrates with newer navigational systems to further enhance the safety and efficiency of air travel.

在航空和导航领域，术语低频全向范围指的是一种发射低频信号的无线电导航系统。该系统对于引导飞机在起飞和着陆阶段以及航途中至关重要。低频全向范围为飞行员提供了关于其相对于地面特定点（通常是机场或航路点）位置的重要信息。低频全向范围背后的技术涉及到能够传播长距离的无线电波，这使得它在其他导航辅助设备可能不可用的地区特别有用。与高频系统不同，高频系统可能受限于视距传播，低频信号能够绕过山脉和建筑物等障碍物，从而在多种地形中提供更大的覆盖范围。这一特性使得低频全向范围成为全球许多地区可靠的选择。使用低频全向范围的一个显著优势是它能够为飞行员提供持续和一致的指导。该系统通过广播一系列信号来运行，这些信号被装备有适当导航仪器的飞机接收。这些仪器解读信号，帮助飞行员确定他们与台站的方位和距离。这一实时信息对于在能见度差或恶劣天气条件下保持安全飞行操作至关重要。此外，低频全向范围旨在便于用户使用，使飞行员能够专注于飞行，而不是导航。该系统的简单性意味着即使是经验较少的飞行员也可以在没有广泛培训的情况下有效利用它。这种可及性有助于整体飞行安全，因为更多的飞行员可以自信地使用这一技术进行导航。然而，尽管有许多好处，低频全向范围确实存在一些局限性。例如，虽然它在远程导航方面表现出色，但在短距离时其准确性会降低。这可能在飞行员试图着陆时带来挑战，因为他们可能需要比低频全向范围所能提供的更精确的指导。为了应对这一问题，机场通常会用其他系统来补充低频全向范围，以提供增强的精确度，例如仪表着陆系统（ILS）。总之，低频全向范围在现代航空中扮演着关键角色，为飞行员提供可靠的导航支持。它能够在长距离和障碍物周围传输信号，使其成为各种地理位置中不可或缺的工具。尽管它确实存在某些局限性，但在可及性和易用性方面所提供的优势不容小觑。随着技术的不断发展，观察低频全向范围如何适应并与更新的导航系统集成，以进一步增强航空旅行的安全性和效率，将是非常有趣的。