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三軸測風激光雷達采用多普勒頻移原理和相干檢測激光雷達技術(shù),依次以三個不同方向朝大氣發(fā)射激光脈沖,通過回波頻移檢測和FFT計算獲得大氣的三維運動信息,通過系統(tǒng)軟件分析可得到風廓線(風速、風向)和垂直風切變信息。
一、產(chǎn)品簡介
FT-JL2三軸測風激光雷達采用多普勒頻移原理和相干檢測激光雷達技術(shù),依次以三個不同方向朝大氣發(fā)射激光脈沖,通過回波頻移檢測和FFT計算獲得大氣的三維運動信息,通過系統(tǒng)軟件分析可得到風廓線(風速、風向)和垂直風切變信息。該設(shè)備能夠為氣象觀測、科研實驗提供準確可靠的風觀測數(shù)據(jù)。
二、技術(shù)特點
1、三軸光學掃描,無機械轉(zhuǎn)動部件,設(shè)備工作更穩(wěn)定
2、內(nèi)置定位模塊,自動校準風向
3、高頻信號采樣,風廓線空間分辨率高
4、免維護設(shè)計,窗口自動清潔,可長期無人值守
5、實時分析、可視化顯示風廓線和垂直風切變
三、技術(shù)參數(shù)
測量高度范圍 | 45-4000m |
空間分辨率 | 15-60m可設(shè)置 |
時間分辨率 | 1s |
風速測量范圍 | 0-75m/s |
風速精度 | ≤0.1m/s |
風向精度 | <3° |
數(shù)據(jù)產(chǎn)品 | 秒級和時間平均的風速、風向;垂直速度;垂直風切變 |
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