airborne laser radar

简明释义

机载激光雷达;

英英释义

例句

1.The military uses airborne laser radar to detect enemy movements from the sky.

军方使用空中激光雷达从空中侦测敌方动向。

2.With airborne laser radar, we can monitor coastal erosion effectively.

通过空中激光雷达，我们可以有效监测海岸侵蚀。

3.The environmental study relied on airborne laser radar to assess vegetation health.

该环境研究依赖于空中激光雷达评估植被健康。

4.The city planning department utilizes airborne laser radar to analyze topographical changes.

城市规划部门利用空中激光雷达分析地形变化。

5.Researchers employed airborne laser radar for mapping forest canopies accurately.

研究人员使用空中激光雷达准确绘制森林树冠图。

作文

In recent years, technological advancements have revolutionized various fields, particularly in environmental monitoring and mapping. One of the most significant innovations is the use of airborne laser radar, which is also known as LiDAR (Light Detection and Ranging). This technology utilizes laser light to measure distances between the sensor and the Earth's surface, allowing for the creation of highly accurate three-dimensional maps. The implications of airborne laser radar are vast, affecting industries such as forestry, agriculture, urban planning, and even disaster management.The principle behind airborne laser radar is relatively straightforward. An aircraft equipped with a laser scanning system flies over a designated area, emitting rapid pulses of laser light towards the ground. When these pulses hit an object or the terrain, they bounce back to the sensor, which records the time it took for the light to return. By knowing the speed of light, the system can calculate the distance to the surface with incredible precision. This data is then used to generate detailed topographical maps, which can reveal features that are not easily visible from the ground.One of the most prominent applications of airborne laser radar is in forestry management. By providing accurate measurements of tree height, canopy cover, and biomass estimation, this technology helps foresters make informed decisions about resource management and conservation efforts. It allows for the assessment of forest health and biodiversity, enabling better strategies for sustainable practices.In agriculture, airborne laser radar is becoming increasingly important for precision farming. Farmers can utilize the data obtained from LiDAR to analyze the topography of their land, identify drainage patterns, and optimize irrigation systems. This leads to more efficient water usage and improved crop yields, ultimately contributing to food security.Urban planners also benefit from the insights provided by airborne laser radar. The technology can assist in mapping urban landscapes, analyzing infrastructure, and planning new developments. By understanding the existing terrain and its features, planners can design cities that are more resilient to natural disasters, such as floods or landslides.Moreover, airborne laser radar plays a critical role in disaster management. In the aftermath of events like hurricanes, earthquakes, or wildfires, rapid assessments of affected areas are essential for effective response and recovery efforts. LiDAR data can help identify damaged infrastructure, assess changes in landforms, and support the planning of rebuilding efforts.Despite its numerous advantages, the implementation of airborne laser radar technology does come with challenges. The cost of acquiring and operating LiDAR systems can be significant, which may limit access for smaller organizations or developing regions. Additionally, the interpretation of the data requires specialized skills and knowledge, necessitating training and expertise.In conclusion, airborne laser radar represents a remarkable advancement in remote sensing technology. Its ability to provide precise and detailed information about the Earth's surface has transformed how we approach various fields, from environmental management to urban planning. As technology continues to evolve, it is likely that the applications and benefits of airborne laser radar will expand further, paving the way for smarter and more sustainable practices across different sectors. The future holds great promise for those who harness the power of this innovative tool.

近年来，技术进步彻底改变了各个领域，尤其是在环境监测和制图方面。其中最显著的创新之一是使用空中激光雷达，也被称为LiDAR（光探测与测距）。该技术利用激光光线测量传感器与地球表面之间的距离，从而创建高精度的三维地图。空中激光雷达的影响范围广泛，涉及林业、农业、城市规划甚至灾害管理等行业。空中激光雷达的原理相对简单。一架配备激光扫描系统的飞机在指定区域上空飞行，快速发射激光光束到地面。当这些光束击中物体或地形时，会反弹回传感器，记录光线返回所需的时间。通过知道光速，系统可以非常精确地计算到表面的距离。然后，这些数据用于生成详细的地形图，可以揭示从地面上不易看到的特征。空中激光雷达最显著的应用之一是在森林管理中。通过提供树木高度、冠层覆盖率和生物量估算的准确测量，这项技术帮助林务员做出关于资源管理和保护工作的明智决策。它可以评估森林健康和生物多样性，从而制定更好的可持续实践策略。在农业中，空中激光雷达在精准农业中变得越来越重要。农民可以利用从LiDAR获得的数据分析土地的地形，识别排水模式并优化灌溉系统。这导致水资源的更高效使用和作物产量的提高，最终促进粮食安全。城市规划者也从空中激光雷达提供的见解中受益。该技术可以协助绘制城市景观、分析基础设施和规划新开发项目。通过了解现有的地形及其特征，规划者可以设计出更能抵御自然灾害（如洪水或山体滑坡）的城市。此外，空中激光雷达在灾害管理中发挥着至关重要的作用。在飓风、地震或野火等事件发生后，对受影响地区进行快速评估对于有效的响应和恢复工作至关重要。LiDAR数据可以帮助识别受损基础设施、评估地形变化，并支持重建工作的规划。尽管有众多优点，实施空中激光雷达技术也面临挑战。获取和操作LiDAR系统的成本可能很高，这可能限制小型组织或发展中国家的访问。此外，数据的解释需要专业技能和知识，因此需要培训和专业知识。总之，空中激光雷达代表了遥感技术的显著进步。其提供的关于地球表面的精确和详细的信息改变了我们在各个领域的处理方式，从环境管理到城市规划。随着技术的不断发展，空中激光雷达的应用和好处可能会进一步扩大，为不同领域的更智能和更可持续的实践铺平道路。未来对于那些利用这一创新工具的人来说，前景非常光明。