radar altimeter

简明释义

雷达高度表

英英释义

例句

1.The pilot relied on the radar altimeter 雷达高度表 to determine the aircraft's altitude during landing.

飞行员依靠雷达高度表 雷达高度表来确定飞机在着陆时的高度。

2.The radar altimeter 雷达高度表 uses radio waves to measure the distance between the aircraft and the ground.

雷达高度表 雷达高度表使用无线电波测量飞机与地面之间的距离。

3.In poor visibility conditions, the radar altimeter 雷达高度表 provides critical information about the terrain below.

在能见度较差的情况下，雷达高度表 雷达高度表提供有关下方地形的重要信息。

4.During the approach phase, the radar altimeter 雷达高度表 helps pilots maintain a safe altitude.

在进近阶段，雷达高度表 雷达高度表帮助飞行员保持安全高度。

5.The radar altimeter 雷达高度表 is essential for low-level flight operations in mountainous areas.

在山区的低空飞行操作中，雷达高度表 雷达高度表是必不可少的。

作文

In modern aviation, safety and precision are paramount. Among the various instruments that contribute to these aspects, the radar altimeter plays a crucial role. A radar altimeter is an electronic device used to measure the altitude of an aircraft above the terrain directly beneath it. Unlike traditional barometric altimeters that rely on atmospheric pressure, a radar altimeter uses radar waves to determine the distance between the aircraft and the ground. This technology is particularly beneficial during approaches and landings, where accurate altitude information is critical.The operation of a radar altimeter is based on the principle of sending out radio waves towards the ground and measuring the time it takes for the waves to bounce back. This time delay is then converted into distance, providing pilots with real-time altitude readings. The advantage of this system is its ability to provide precise altitude measurements even in challenging conditions such as fog, rain, or when flying over uneven terrain. This is essential for ensuring safe landings, especially in low visibility situations.Additionally, the radar altimeter is equipped with features that enhance its functionality. Many modern aircraft have integrated systems that combine the radar altimeter with other navigation tools, allowing for improved situational awareness. For instance, some systems can alert pilots if they are descending too quickly or if they are approaching the ground at an unsafe altitude. These alerts are vital in preventing accidents and ensuring smooth operations during critical phases of flight.The usage of a radar altimeter extends beyond commercial aviation. It is also widely used in military applications, where precise altitude data can be essential for mission success. Military aircraft often operate at lower altitudes to avoid detection, making the radar altimeter an invaluable tool for maintaining safe flight operations in hostile environments.Furthermore, the technology behind the radar altimeter continues to evolve. Advances in radar technology have led to improvements in accuracy and reliability. Newer models are capable of providing altitude readings with remarkable precision, which enhances overall flight safety. As aviation technology progresses, the integration of radar altimeter systems with other advanced technologies such as GPS and terrain awareness systems will likely become more common, further increasing the safety and efficiency of air travel.In conclusion, the radar altimeter is an essential instrument in aviation that significantly contributes to flight safety and operational efficiency. Its ability to provide accurate altitude measurements regardless of weather conditions makes it indispensable for pilots, especially during critical phases of flight like takeoff and landing. As technology continues to advance, the role of the radar altimeter will undoubtedly become even more significant, reinforcing its importance in both civilian and military aviation. Understanding how a radar altimeter works and its benefits is crucial for anyone involved in aviation, whether as a pilot, engineer, or enthusiast.

在现代航空中，安全和精确性至关重要。在众多有助于这些方面的仪器中，雷达高度计起着关键作用。雷达高度计是一种电子设备，用于测量飞机与其下方地形之间的高度。与依赖大气压力的传统气压高度计不同，雷达高度计使用雷达波来确定飞机与地面之间的距离。这项技术在接近和降落时尤其有益，因为准确的高度信息至关重要。雷达高度计的工作原理是向地面发射无线电波，并测量波返回所需的时间。这个时间延迟随后被转换为距离，为飞行员提供实时的高度读数。该系统的优点在于，即使在雾、雨或飞越不平坦地形等困难条件下，也能提供精确的高度测量。这对于确保安全降落尤为重要，特别是在低能见度情况下。此外，雷达高度计配备了增强其功能的特性。许多现代飞机都将雷达高度计与其他导航工具集成在一起，从而提高了态势感知。例如，一些系统可以在飞行员下降过快或接近地面高度不安全时发出警报。这些警报对于防止事故和确保在飞行的关键阶段顺利操作至关重要。雷达高度计的使用不仅限于商业航空。它在军事应用中也被广泛使用，其中精确的高度数据对任务成功至关重要。军事飞机通常在较低的高度飞行以避免被发现，使得雷达高度计成为在敌对环境中保持安全飞行操作的宝贵工具。此外，雷达高度计背后的技术也在不断发展。雷达技术的进步提高了精确性和可靠性。新型型号能够提供极高精度的高度读数，从而增强整体飞行安全。随着航空技术的发展，雷达高度计系统与其他先进技术（如GPS和地形意识系统）的集成可能会变得更加普遍，进一步提升航空旅行的安全性和效率。总之，雷达高度计是航空中一项重要的仪器，对飞行安全和操作效率具有显著贡献。它能够在各种天气条件下提供准确的高度测量，使其对飞行员不可或缺，尤其是在起飞和降落等关键飞行阶段。随着技术的不断进步，雷达高度计的角色无疑将变得更加重要，进一步强化其在民用和军用航空中的重要性。了解雷达高度计的工作原理及其优点，对于任何参与航空的人来说，无论是飞行员、工程师还是爱好者，都是至关重要的。