light detection and ranging

简明释义

光雷达

英英释义

例句

1.The use of light detection and ranging in environmental monitoring has increased significantly in recent years.

近年来，光学探测与测距在环境监测中的使用显著增加。

2.The city used light detection and ranging technology to improve urban planning and development.

该市利用光学探测与测距技术来改善城市规划和发展。

3.Researchers are using light detection and ranging to study changes in ice sheets over time.

研究人员正在利用光学探测与测距研究冰盖随时间的变化。

4.Scientists employed light detection and ranging to map the forest canopy and assess biodiversity.

科学家们利用光学探测与测距来绘制森林冠层图并评估生物多样性。

5.With light detection and ranging, we can create detailed topographic maps of the terrain.

通过光学探测与测距，我们可以创建地形的详细地形图。

作文

In recent years, advancements in technology have significantly impacted various fields, including environmental monitoring, urban planning, and even archaeology. One of the most innovative technologies that have emerged is light detection and ranging, which is often abbreviated as LiDAR. This technology utilizes laser light to measure distances and create detailed three-dimensional maps of the Earth's surface. The applications of light detection and ranging are vast and varied, making it a crucial tool in many industries.The fundamental principle behind light detection and ranging involves emitting laser pulses from an aircraft or ground-based platform towards the target surface. These pulses travel at the speed of light, and when they hit an object, they are reflected back to the sensor. By calculating the time it takes for the light to return, the system can determine the distance between the sensor and the object. This process is repeated thousands of times per second, allowing for the collection of extensive data over large areas.One of the primary benefits of light detection and ranging is its ability to penetrate forest canopies and other vegetation, providing accurate topographical data that traditional surveying methods may struggle to obtain. This capability is particularly useful in forestry management, where understanding the structure of forests is essential for sustainable practices. For instance, LiDAR can help determine tree heights, canopy density, and biomass, all of which are critical factors in assessing forest health and planning conservation efforts.In urban planning, light detection and ranging has revolutionized how cities are designed and managed. Planners use LiDAR data to create detailed 3D models of urban environments, allowing them to visualize and analyze spatial relationships more effectively. This information can inform decisions related to infrastructure development, transportation systems, and emergency response planning. Moreover, LiDAR can assist in assessing flood risks by mapping elevation changes and identifying vulnerable areas within a city.Archaeologists have also embraced light detection and ranging as a powerful tool for discovering and documenting ancient sites. Traditional excavation methods can be time-consuming and labor-intensive, but LiDAR allows researchers to survey large areas quickly and efficiently. By analyzing the LiDAR data, archaeologists can identify hidden structures, such as roads, buildings, and even entire cities that may have been obscured by vegetation or soil. This non-invasive approach not only saves time and resources but also preserves the integrity of archaeological sites.Despite its numerous advantages, the use of light detection and ranging is not without challenges. The accuracy of LiDAR data can be affected by atmospheric conditions, such as rain or fog, which can scatter the laser pulses and lead to errors in measurement. Additionally, processing and interpreting the vast amounts of data generated by LiDAR systems require specialized software and expertise, which can pose barriers for some organizations.In conclusion, light detection and ranging represents a significant leap forward in our ability to understand and manage the world around us. Its applications across various fields highlight its versatility and importance in modern science and industry. As technology continues to evolve, we can expect further enhancements in LiDAR capabilities, leading to even more innovative uses that will benefit society as a whole. The future of light detection and ranging is bright, and its potential is limited only by our imagination.

近年来，技术的进步显著影响了各个领域，包括环境监测、城市规划甚至考古学。其中一种新兴的创新技术就是光探测与测距，通常缩写为LiDAR。这项技术利用激光光束来测量距离，并创建地球表面的详细三维地图。光探测与测距的应用广泛多样，使其成为许多行业中的关键工具。光探测与测距的基本原理是从飞机或地面平台向目标表面发射激光脉冲。这些脉冲以光速传播，当它们击中物体时，会被反射回传感器。通过计算光返回所需的时间，系统可以确定传感器与物体之间的距离。这个过程每秒重复数千次，从而能够在大面积上收集大量数据。光探测与测距的主要优点之一是其能够穿透森林冠层和其他植被，提供传统测量方法可能难以获得的准确地形数据。这一能力在森林管理中尤为重要，因为了解森林结构对可持续实践至关重要。例如，LiDAR可以帮助确定树木高度、冠层密度和生物量，这些都是评估森林健康和规划保护工作的关键因素。在城市规划中，光探测与测距彻底改变了城市的设计和管理方式。规划者使用LiDAR数据创建城市环境的详细3D模型，使他们能够更有效地可视化和分析空间关系。这些信息可以为基础设施开发、交通系统和应急响应规划等决策提供依据。此外，LiDAR还可以通过绘制海拔变化和识别城市中易受洪水影响的区域来帮助评估洪水风险。考古学家也接受了光探测与测距作为发现和记录古代遗址的强大工具。传统的挖掘方法可能耗时且劳动密集，但LiDAR允许研究人员快速高效地勘测大面积区域。通过分析LiDAR数据，考古学家可以识别隐藏的结构，例如道路、建筑物甚至整个城市，这些可能被植被或土壤遮蔽。这种非侵入性的方法不仅节省时间和资源，而且保护了考古遗址的完整性。尽管有众多优势，使用光探测与测距也并非没有挑战。LiDAR数据的准确性可能会受到大气条件的影响，例如雨或雾，这可能会散射激光脉冲并导致测量误差。此外，处理和解释LiDAR系统生成的大量数据需要专业软件和专业知识，这可能对某些组织构成障碍。总之，光探测与测距代表了我们理解和管理周围世界能力的重大飞跃。它在各个领域的应用突显了其多功能性和在现代科学与工业中的重要性。随着技术的不断发展，我们可以期待LiDAR能力的进一步增强，从而带来更多创新的用途，造福整个社会。光探测与测距的未来光明，其潜力仅限于我们的想象。