secondary radar

简明释义

二次雷达

英英释义

例句

1.When an aircraft is equipped with a transponder, it enhances the effectiveness of secondary radar.

当飞机配备有应答器时，它增强了二次雷达的有效性。

2.The air traffic control tower relies on secondary radar to track aircraft more accurately.

空中交通控制塔依赖于二次雷达来更准确地追踪飞机。

3.In bad weather conditions, secondary radar can provide critical information about aircraft positions.

在恶劣天气条件下，二次雷达可以提供关于飞机位置的重要信息。

4.Pilots are trained to understand how secondary radar works in conjunction with primary radar.

飞行员接受培训，以理解二次雷达如何与初级雷达协同工作。

5.The benefits of using secondary radar include improved range and resolution.

使用二次雷达的好处包括改善的范围和分辨率。

作文

In the realm of aviation, radar technology plays a crucial role in ensuring the safety and efficiency of air travel. Among the various types of radar systems, secondary radar stands out due to its unique functionality and advantages over other radar types. Understanding how secondary radar operates can provide insight into its importance in modern air traffic management.Firstly, it is essential to differentiate between primary and secondary radar. Primary radar works by sending out radio waves that bounce off objects, such as aircraft, and return to the radar system. This type of radar provides basic information about the location of an object but does not offer detailed data about the object itself. In contrast, secondary radar relies on a different mechanism. It involves an interrogator that sends out a signal to an aircraft equipped with a transponder. The transponder then responds with specific information, such as the aircraft's identity and altitude. This interaction allows air traffic controllers to gain a clearer picture of the airspace.The advantages of secondary radar are numerous. One of the most significant benefits is the ability to receive more detailed information about each aircraft. With secondary radar, controllers can identify individual planes and track their altitudes, which is crucial for maintaining safe distances between aircraft. This level of detail is particularly important in busy airspace where multiple flights operate simultaneously.Moreover, secondary radar enhances situational awareness for pilots and air traffic controllers alike. The information provided by secondary radar is displayed on screens that show not only the positions of aircraft but also their flight paths and intentions. This real-time data helps in making informed decisions, reducing the risk of collisions and improving overall safety.Additionally, secondary radar is less susceptible to interference compared to primary radar. Since it relies on the transponder's response, it can function effectively even in environments where primary radar might struggle, such as areas with heavy rain or other obstructions. This reliability makes secondary radar a preferred choice for modern air traffic control systems.However, the implementation of secondary radar does come with challenges. For one, all aircraft must be equipped with transponders to take full advantage of this technology. While most commercial airlines comply with this requirement, smaller aircraft and private jets may not always have the necessary equipment. This limitation can create gaps in coverage, particularly in regions where such aircraft are prevalent.In conclusion, secondary radar is an indispensable tool in contemporary aviation, providing critical information that enhances safety and efficiency in air traffic management. Its ability to deliver detailed data about aircraft positions and identities sets it apart from primary radar systems. As air travel continues to grow, the reliance on technologies like secondary radar will undoubtedly increase, underscoring the need for ongoing advancements in radar technology to ensure the safety of our skies.

在航空领域，雷达技术在确保航空旅行的安全性和效率方面发挥着至关重要的作用。在各种雷达系统中，二次雷达因其独特的功能和相对于其他雷达类型的优势而脱颖而出。理解二次雷达的工作原理可以让人深入了解它在现代空中交通管理中的重要性。首先，有必要区分初级雷达和二次雷达。初级雷达通过发送无线电波来工作，这些波反射到物体（例如飞机）上并返回到雷达系统。这种类型的雷达提供有关物体位置的基本信息，但不提供关于物体本身的详细数据。相比之下，二次雷达依赖于不同的机制。它涉及一个询问器，向配备有应答机的飞机发送信号。应答机随后以特定信息进行响应，例如飞机的身份和高度。这种互动使得空中交通控制员能够更清晰地了解空域情况。二次雷达的优点是众多的。其中一个最显著的好处是能够接收有关每架飞机的更详细信息。通过二次雷达，控制员可以识别单独的飞机并跟踪其高度，这对于保持飞机之间的安全距离至关重要。这种细节水平在繁忙的空域中尤其重要，因为多个航班同时运行。此外，二次雷达增强了飞行员和空中交通控制员的态势感知。二次雷达提供的信息显示在屏幕上，不仅显示飞机的位置，还显示其飞行路径和意图。这种实时数据有助于做出明智的决策，减少碰撞风险，提高整体安全性。另外，与初级雷达相比，二次雷达对干扰的抵抗力较强。由于它依赖于应答机的响应，因此即使在初级雷达可能遇到困难的环境中，例如降雨严重或其他障碍物的区域，它也能有效运作。这种可靠性使得二次雷达成为现代空中交通控制系统的首选。然而，二次雷达的实施确实面临挑战。首先，所有飞机必须配备应答机，以充分利用这一技术。虽然大多数商业航空公司遵守这一要求，但小型飞机和私人飞机并不总是具备必要的设备。这一限制可能在这些飞机普遍存在的地区造成覆盖盲区。总之，二次雷达是当代航空中不可或缺的工具，提供关键的信息，增强空中交通管理的安全性和效率。它提供的关于飞机位置和身份的详细数据使其与初级雷达系统区分开来。随着航空旅行的持续增长，对像二次雷达这样的技术的依赖无疑会增加，强调了在雷达技术中持续推进的重要性，以确保我们天空的安全。