The invention provides a water transparency rapid measurement method based on an unmanned aerial vehicle, and relates to the technical field of environmental monitoring, and the specific implementation method comprises the following steps: controlling the unmanned aerial vehicle to vertically fly to a predetermined height above a water body; controlling a laser transmitter to transmit a laser beam to the water body, and detecting the intensity of scattered light on a scattered light path; acquiring laser intersection point imaging information on a scattered light path in real time, and performing data fusion on the laser intersection point imaging information and the scattered light intensity to obtain original scattered light intensity; defining wave correction coefficients, and creating a wave correction coefficient table under different wind speeds; acquiring corresponding wind speed data in real time, and matching in the wave correction coefficient table to obtain a corresponding wave correction coefficient; correcting the original scattered light intensity through the wave correction coefficient to obtain the corrected scattered light intensity; and calculating the current water transparency according to the corrected scattered light intensity. The device is high in automation degree, reduces human intervention, and greatly improves the precision and efficiency of water transparency measurement.
本发明提供一种基于无人机的水体透明度快速测量方法,涉及环境监测技术领域,具体实施方法包括:控制无人机垂直飞行至水体上方的预定高度;控制激光发射器向水体发射激光束,探测散射光路上的散射光强度;实时获取散射光路上激光交点成像信息,将激光交点成像信息和散射光强度进行数据融合,获得原始散射光强度;定义波浪修正系数,创建不同风速下的波浪修正系数表;实时获取对应的风速数据,在波浪修正系数表中匹配获得对应的波浪修正系数;通过波浪修正系数对原始散射光强度进行修正,获得修正后的散射光强度;根据修正后的散射光强度计算当前水体透明度。本发明的自动化程度高,减少了人为干预,大幅提高了水体透明度测量的精度和测量效率。
Method for rapidly measuring transparency of water body based on unmanned aerial vehicle
一种基于无人机的水体透明度快速测量方法
2025-02-25
Patent
Electronic Resource
Chinese
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B64U / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes |
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