radio detecting and ranging

简明释义

的首字母缩略词)无线电探测定位设备

英英释义

A method of determining the distance to an object by sending out radio waves and measuring the time it takes for the reflected waves to return.

一种通过发射无线电波并测量反射波返回所需时间来确定物体距离的方法。

例句

1.The ship used radio detecting and ranging to navigate through the fog.

这艘船使用无线电探测与测距在雾中航行。

2.The military employs radio detecting and ranging technology for target acquisition.

军方利用无线电探测与测距技术进行目标获取。

3.Air traffic controllers rely on radio detecting and ranging for tracking aircraft positions.

空中交通管制员依赖无线电探测与测距来跟踪飞机的位置。

4.Weather stations use radio detecting and ranging to measure precipitation and storm systems.

气象站使用无线电探测与测距来测量降水和风暴系统。

5.Modern vehicles are equipped with radio detecting and ranging systems for collision avoidance.

现代车辆配备有无线电探测与测距系统以避免碰撞。

作文

The advent of technology has revolutionized many fields, one of the most significant being navigation and communication. Among the various technological advancements, radio detecting and ranging, commonly known as radar, stands out as a groundbreaking innovation. This technology has not only transformed military applications but has also made profound impacts on civilian sectors such as aviation, meteorology, and even automotive industries.To understand the importance of radio detecting and ranging, it is essential to delve into its basic principles. Radar systems operate by emitting radio waves from a transmitter. These waves travel through the air until they encounter an object, at which point they bounce back to the receiver. By measuring the time it takes for the waves to return, the system can determine the distance to the object. Additionally, the frequency shift of the returned waves can provide information about the object's speed and direction, a principle known as the Doppler effect.One of the most prominent uses of radio detecting and ranging is in aviation. Air traffic control relies heavily on radar to monitor aircraft positions and ensure safe distances between them. This capability is crucial for preventing mid-air collisions and managing the flow of air traffic efficiently. Furthermore, modern aircraft are equipped with onboard radar systems that help pilots navigate through challenging weather conditions, enhancing safety and reliability.In the realm of meteorology, radio detecting and ranging plays a vital role in weather forecasting and storm tracking. Doppler radar systems can detect precipitation, measure its intensity, and track storm movements in real-time. This information is invaluable for issuing timely warnings about severe weather events such as tornadoes and hurricanes, ultimately saving lives and minimizing property damage.Moreover, the automotive industry has embraced radio detecting and ranging technology to improve vehicle safety. Advanced Driver Assistance Systems (ADAS) utilize radar sensors to detect obstacles, monitor blind spots, and enable features like adaptive cruise control and automatic emergency braking. As we move towards an era of autonomous vehicles, the role of radar will only grow, providing critical data for navigation and obstacle avoidance.Despite its many advantages, radio detecting and ranging is not without limitations. For instance, radar signals can be affected by environmental factors such as heavy rain, fog, or snow, which may hinder their effectiveness. Additionally, the technology requires significant investment in infrastructure and equipment, which can be a barrier for some regions, particularly in developing countries.In conclusion, radio detecting and ranging has proven to be an indispensable tool across various fields. Its ability to detect and measure objects accurately has enhanced safety and efficiency in aviation, improved weather forecasting, and paved the way for advanced automotive technologies. As we continue to innovate and refine this technology, the potential applications seem limitless, promising a future where radio detecting and ranging will play an even more critical role in our daily lives. Understanding and mastering this technology is essential for anyone looking to engage with the future of navigation and communication.

技术的出现彻底改变了许多领域,其中最重要的之一就是导航和通信。在各种技术进步中,无线电探测和测距(通常称为雷达)作为一项突破性创新脱颖而出。这项技术不仅改变了军事应用,还对民用部门如航空、气象甚至汽车工业产生了深远的影响。要理解无线电探测和测距的重要性,有必要深入了解其基本原理。雷达系统通过从发射器发射无线电波来工作。这些波穿过空气,直到遇到物体,此时它们会反弹回接收器。通过测量波返回所需的时间,系统可以确定到物体的距离。此外,返回波的频率变化可以提供有关物体速度和方向的信息,这一原理被称为多普勒效应。无线电探测和测距最显著的用途之一是在航空领域。空中交通控制在很大程度上依赖雷达来监测飞机位置,确保它们之间的安全距离。这种能力对于防止空中碰撞和有效管理空中交通流至关重要。此外,现代飞机配备了机载雷达系统,帮助飞行员在复杂天气条件下导航,提高安全性和可靠性。在气象学领域,无线电探测和测距在天气预报和风暴追踪中发挥着至关重要的作用。多普勒雷达系统可以检测降水,测量其强度,并实时跟踪风暴移动。这些信息对及时发布关于严重天气事件(如龙卷风和飓风)的警报至关重要,最终能够拯救生命并减少财产损失。此外,汽车工业也采用了无线电探测和测距技术来提高车辆安全性。先进的驾驶辅助系统(ADAS)利用雷达传感器检测障碍物、监控盲点,并启用自适应巡航控制和自动紧急制动等功能。随着我们迈向自动驾驶汽车的时代,雷达的作用只会增加,它为导航和避障提供关键数据。尽管有许多优点,无线电探测和测距并非没有局限性。例如,雷达信号可能受到重雨、雾或雪等环境因素的影响,从而降低其有效性。此外,这项技术需要在基础设施和设备上的重大投资,这可能成为一些地区(尤其是发展中国家)的障碍。总之,无线电探测和测距已被证明是各个领域不可或缺的工具。它准确探测和测量物体的能力增强了航空安全和效率,改善了天气预报,并为先进的汽车技术铺平了道路。随着我们继续创新和完善这项技术,其潜在应用似乎是无限的,承诺在未来无线电探测和测距将在我们的日常生活中发挥更为关键的作用。理解和掌握这项技术对于任何希望参与导航和通信未来的人来说都是至关重要的。

相关单词

radio

radio详解:怎么读、什么意思、用法

detecting

detecting详解:怎么读、什么意思、用法

and

and详解:怎么读、什么意思、用法

ranging

ranging详解:怎么读、什么意思、用法