radars

简明释义

英[ˈreɪdɑːz]美[ˈreɪdərz]

n. [雷达]雷达（radar 的复数）

英英释义

单词用法

同义词

反义词

例句

1.This reliability and easy maintainability makes AESA radars more affordable over the service life of the unit.

这种可靠性及易维护性使AESA雷达在战斗机寿命周期中更加实用。

2.IMO regulations which prevent the use of navigation radars for helicopter control led to the requirement for a customised SRHCR.

国际海事组织规定防止将导航雷达用于直升机控制，因此SRHCR雷达采用按需定制。

3.The BrainDriver technology works by rigging a car up with video cameras, radars and laser sensors to give it a full 3d picture of its surroundings.

“大脑驾驶员”系统通过摄影机、雷达和激光传感器与汽车连接在一起，能够形成其周围的全景3d图像。

4.Onboard radars provide information on clouds and precipitation, but the worst turbulence can be far away from the worst rain.

陆上雷达提供有关云层和降水的信息，但极为恶劣的气旋要远比暴雨凶险。

5.Existing UWB radars typically use a random noise signal to avoid interference between waves of the same wavelength.

现有的超宽频雷达为避免干扰，典型的方法是使用一个不规则声波发生器来规避和它波长相同的声波。

6.Small radars hidden in the bumpers can scan for nearby cars.

藏在保险杠里的微型雷达能对周围的汽车做扫描。

7.The weather station uses radars to track storm movements.

气象站使用雷达来追踪风暴的移动。

8.Fishing boats rely on radars to locate schools of fish.

渔船依靠雷达来定位鱼群。

9.The airplane's radars helped it navigate through the stormy weather.

飞机的雷达帮助它在暴风雨中导航。

10.The military uses advanced radars to detect incoming threats.

军方使用先进的雷达来探测即将到来的威胁。

11.Traffic radars are installed on highways to monitor vehicle speeds.

高速公路上安装了交通雷达以监测车辆速度。

作文

In the modern world, technology plays a crucial role in our daily lives. One of the most significant advancements in technology is the development of various types of detection systems, among which are radars (雷达). These systems have transformed the way we monitor and interact with our environment, whether it be for aviation, maritime navigation, or even weather forecasting. Understanding how radars work and their applications can provide us with valuable insights into their importance.The basic principle behind radars is quite simple: they emit radio waves and then listen for the echoes that bounce back from objects in their path. This allows them to determine the distance, speed, and direction of those objects. For example, in aviation, radars are essential for air traffic control, helping to ensure that aircraft can safely navigate through busy airspaces. By providing real-time data on the location and movement of planes, radars help prevent collisions and enhance overall safety in the skies.In addition to aviation, radars are also widely used in maritime operations. Ships rely on radars to detect other vessels, navigational hazards, and even landmasses, particularly in poor visibility conditions. This capability is crucial for avoiding accidents and ensuring safe passage through busy shipping lanes. Furthermore, radars are instrumental in search and rescue missions at sea, allowing rescuers to locate distressed vessels more effectively.Weather forecasting is another area where radars have made a significant impact. Meteorologists use Doppler radars to track precipitation, storm systems, and severe weather events such as tornadoes and hurricanes. By analyzing the data collected by these radars, meteorologists can provide timely warnings to communities, helping to save lives and minimize property damage. The ability to visualize weather patterns in real time has revolutionized how we respond to natural disasters.Moreover, the applications of radars extend beyond traditional uses. In recent years, advancements in radar technology have led to innovations such as ground-penetrating radars used in archaeology and construction. These systems can detect buried structures, artifacts, and even geological features without the need for excavation. This non-invasive approach has opened new avenues for research and exploration, allowing scientists to uncover historical sites while preserving their integrity.Despite their numerous advantages, the use of radars also raises concerns regarding privacy and surveillance. With the capability to detect objects over vast distances, there is potential for misuse in monitoring individuals and tracking movements without consent. As society grapples with these ethical dilemmas, it is essential to strike a balance between leveraging the benefits of radars for safety and security while respecting personal privacy rights.In conclusion, radars (雷达) are an integral part of modern technology, enhancing safety and efficiency across various fields. From aviation and maritime navigation to weather forecasting and archaeological exploration, the applications of radars are diverse and impactful. However, as we continue to develop and utilize these technologies, it is vital to address the ethical implications they present. Understanding the significance of radars and their potential consequences will help us navigate the complexities of a technology-driven world.

在现代世界中，技术在我们的日常生活中发挥着至关重要的作用。其中最重要的进展之一是各种类型的探测系统的发展，其中包括雷达（radars）。这些系统改变了我们监控和与环境互动的方式，无论是在航空、海洋导航，还是天气预报方面。理解雷达的工作原理及其应用，可以为我们提供对其重要性的宝贵见解。雷达的基本原理相当简单：它们发射无线电波，然后监听从其路径中的物体反弹回来的回声。这使它们能够确定那些物体的距离、速度和方向。例如，在航空领域，雷达对于空中交通管制至关重要，帮助确保飞机能够安全地穿越繁忙的空域。通过提供关于飞机位置和运动的实时数据，雷达帮助防止碰撞，增强整体飞行安全。除了航空，雷达还广泛应用于海洋操作。船只依赖雷达来检测其他船只、导航障碍物，甚至是地形，特别是在能见度差的情况下。这种能力对于避免事故和确保安全通过繁忙航道至关重要。此外，雷达在海上的搜救任务中也起着重要作用，使救援人员能够更有效地定位遇险船只。天气预报是另一个雷达产生重大影响的领域。气象学家使用多普勒雷达来追踪降水、风暴系统和严重天气事件，如龙卷风和飓风。通过分析这些雷达收集的数据，气象学家可以向社区提供及时警报，帮助挽救生命并减少财产损失。实时可视化天气模式的能力彻底改变了我们应对自然灾害的方式。此外，雷达的应用超出了传统用途。近年来，雷达技术的进步导致了创新，例如用于考古和建筑的地面穿透雷达。这些系统可以在不需要挖掘的情况下探测埋藏的结构、文物甚至地质特征。这种非侵入性的方法为研究和探索开辟了新的途径，使科学家能够在保护遗址完整性的同时揭示历史遗址。尽管有许多优点，但使用雷达也引发了有关隐私和监控的担忧。由于能够在大范围内检测物体，存在在未经同意的情况下监视个人和追踪移动的潜在滥用。随着社会应对这些伦理困境，必须在利用雷达的安全和保障利益与尊重个人隐私权之间取得平衡。总之，雷达（radars）是现代技术不可或缺的一部分，在各个领域增强了安全性和效率。从航空和海洋导航到天气预报和考古探索，雷达的应用多种多样且影响深远。然而，随着我们继续开发和利用这些技术，解决它们所带来的伦理问题至关重要。理解雷达的重要性及其潜在后果将帮助我们应对技术驱动世界的复杂性。