三轴测风激光雷达采用多普勒频移原理和相干检测激光雷达技术,依次以三个不同方向朝大气发射激光脉冲,通过回波频移检测和FFT计算获得大气的三维运动信息,通过系统软件分析可得到风廓线(风速、风向)和垂直风切变信息。
一、产品简介
FT-JL2三轴测风激光雷达采用多普勒频移原理和相干检测激光雷达技术,依次以三个不同方向朝大气发射激光脉冲,通过回波频移检测和FFT计算获得大气的三维运动信息,通过系统软件分析可得到风廓线(风速、风向)和垂直风切变信息。该设备能够为气象观测、科研实验提供准确可靠的风观测数据。
二、技术特点
1、三轴光学扫描,无机械转动部件,设备工作更稳定
2、内置定位模块,自动校准风向
3、高频信号采样,风廓线空间分辨率高
4、免维护设计,窗口自动清洁,可长期无人值守
5、实时分析、可视化显示风廓线和垂直风切变
三、技术参数
测量高度范围 | 45-4000m |
空间分辨率 | 15-60m可设置 |
时间分辨率 | 1s |
风速测量范围 | 0-75m/s |
风速精度 | ≤0.1m/s |
风向精度 | <3° |
数据产品 | 秒级和时间平均的风速、风向;垂直速度;垂直风切变 |
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