radar transmitted pulse

简明释义

雷达发射的脉冲

英英释义

A radar transmitted pulse is a short burst of electromagnetic energy emitted by a radar system to detect objects, measure their distance, and determine their speed.

雷达发射脉冲是雷达系统发出的短暂电磁能量脉冲,用于探测物体、测量其距离和确定其速度。

例句

1.The aircraft was detected by the radar system when it reflected the radar transmitted pulse.

当飞机反射了雷达发射脉冲时,被雷达系统探测到了。

2.The military uses advanced technology to enhance the quality of the radar transmitted pulse for better target detection.

军方使用先进技术增强雷达发射脉冲的质量,以更好地探测目标。

3.The accuracy of the navigation system depends on the strength of the radar transmitted pulse.

导航系统的准确性取决于雷达发射脉冲的强度。

4.In maritime operations, ships use the radar transmitted pulse to avoid collisions.

在海上作业中,船只使用雷达发射脉冲来避免碰撞。

5.Weather radars emit a radar transmitted pulse to gather data on precipitation.

天气雷达发射雷达发射脉冲以收集降水数据。

作文

The world of technology is filled with fascinating innovations that have dramatically changed the way we perceive and interact with our environment. One such innovation is radar technology, which has become indispensable in various fields, including aviation, maritime navigation, and weather forecasting. At the heart of radar systems lies the concept of the radar transmitted pulse, a critical element that enables these systems to detect and track objects. Understanding how this pulse works can provide valuable insights into the functioning of radar technology.Radar, which stands for Radio Detection and Ranging, operates by sending out electromagnetic waves that bounce off objects and return to the radar system. The radar transmitted pulse refers to the specific burst of energy emitted by the radar antenna. This pulse travels at the speed of light and can cover vast distances, making it an effective tool for detecting both stationary and moving objects. When the pulse encounters an object, such as an airplane or a ship, it reflects back to the radar system, where the time taken for the pulse to return is measured.The time delay between the transmission of the radar transmitted pulse and its return is crucial for determining the distance to the object. By using the formula distance = speed × time, radar systems can accurately calculate how far away an object is based on the time it takes for the pulse to travel to the object and back. This principle of time measurement is what makes radar an effective tool for navigation and surveillance.In addition to measuring distance, the characteristics of the radar transmitted pulse can also provide information about the object's speed and direction. When an object is moving towards or away from the radar source, the frequency of the reflected pulse changes due to the Doppler effect. This frequency shift allows radar systems to determine not only how fast an object is moving but also in which direction. Such capabilities are essential for air traffic control, where the safety of flights depends on accurate tracking of aircraft.Moreover, advancements in radar technology have led to the development of various types of radar systems, each utilizing the radar transmitted pulse in unique ways. For example, synthetic aperture radar (SAR) uses the movement of the radar antenna to create high-resolution images of the ground, while phased array radar employs multiple antennas to steer the beam electronically, enabling rapid scanning of large areas. These innovations highlight the versatility of radar technology and its reliance on the fundamental concept of the radar transmitted pulse.In conclusion, the radar transmitted pulse is a vital component of radar systems that facilitates the detection and tracking of objects. By understanding how this pulse works and its implications in various applications, we can appreciate the significance of radar technology in our modern world. From ensuring the safety of air travel to enhancing our ability to monitor weather patterns, the contributions of radar technology are immense. As technology continues to evolve, the principles surrounding the radar transmitted pulse will undoubtedly play a crucial role in shaping future advancements in detection and ranging systems.

技术世界充满了迷人的创新,这些创新极大地改变了我们感知和与环境互动的方式。其中一个这样的创新是雷达技术,它在航空、海洋导航和天气预报等多个领域变得不可或缺。在雷达系统的核心概念中,有一个关键元素,即雷达发射脉冲,它使这些系统能够检测和跟踪物体。理解这个脉冲的工作原理可以为我们提供对雷达技术运作的宝贵见解。雷达(Radio Detection and Ranging)通过发送电磁波来工作,这些波会反弹回物体并返回到雷达系统。雷达发射脉冲指的是雷达天线发出的特定能量冲击。这个脉冲以光速传播,可以覆盖广阔的距离,使其成为检测静止和移动物体的有效工具。当脉冲遇到物体,如飞机或船只时,它会反射回雷达系统,在那里测量脉冲返回所需的时间。雷达发射脉冲的发射与返回之间的时间延迟对确定物体的距离至关重要。通过使用公式距离 = 速度 × 时间,雷达系统可以根据脉冲到达物体并返回所需的时间准确计算物体的距离。这种时间测量的原理使雷达成为导航和监视的有效工具。除了测量距离外,雷达发射脉冲的特征还可以提供有关物体速度和方向的信息。当物体朝向或远离雷达源移动时,反射脉冲的频率由于多普勒效应而发生变化。这个频率的变化使雷达系统能够确定物体的移动速度以及方向。这种能力对于空中交通控制至关重要,因为航班的安全依赖于对飞机的准确跟踪。此外,雷达技术的进步导致了各种类型雷达系统的发展,每种系统都以独特的方式利用雷达发射脉冲。例如,合成孔径雷达(SAR)利用雷达天线的运动创建高分辨率的地面图像,而相控阵雷达则使用多个天线电子引导波束,从而实现对大面积的快速扫描。这些创新突显了雷达技术的多功能性及其对雷达发射脉冲基本概念的依赖。总之,雷达发射脉冲是雷达系统的一个重要组成部分,促进了物体的检测和跟踪。通过理解这个脉冲的工作原理及其在各个应用中的影响,我们可以欣赏雷达技术在现代世界中的重要性。从确保空中旅行的安全到增强我们监测天气模式的能力,雷达技术的贡献是巨大的。随着技术的不断发展,围绕雷达发射脉冲的原理无疑将在塑造未来检测和测距系统的进步中发挥关键作用。

相关单词

radar

radar详解:怎么读、什么意思、用法

transmitted

transmitted详解:怎么读、什么意思、用法

pulse

pulse详解:怎么读、什么意思、用法