laser altimeter 中文意思是什麼
laser altimeter
解釋
激光測高計-
Based on the model of resource survey spaceborne laser altimeter, the noncooperative regulable attenuation module, including angular measure setting, beam splitter, energy meter, attenuator and simulant target, was designed and founded
結合激光高度計原理樣機，設計並建立了非合作目標可調衰減法模塊，該模塊包括角度測量裝置、分束片、能量計、衰減器以及模擬目標物。 -
According to the minimum detectable power required by the spaceborne laser altimeter for 200km maximum range and the analysis result of the effect between the maximum range and the equation ' s each parameter, the specifications for noncooperative regulable attenuation setting were fixed on
根據月球探測激光高度計實現200km所需的最小可探測功率，各影響因子與最大測程關系的分析，確定非合作目標可調衰減法裝置的技術指標。 -
The maximum range is the most important specification for a laser altimeter and 200km is the required level for the spaceborne laser altimeter in the lunar resources survey. in the paper, one kind of method and setting characterizing the laser altimeter ' s performance aiming at the specification of maximum range - noncooperative regulable attenuation was put forward and founded
中科院知識創新重大方向?月球資源探測衛星激光高度計，要求實現200km的對月測距能力，本文以地面驗證激光高度計最大測程指標為目標，提出並建立一種激光高度計性能驗證方法?非合作目標可調衰減法和裝置。 -
Based on the analysis of the effect on the maximum range of the equation ' s each parameter and the traditional method of extinction ratio, the noncooperative regulable attenuation - measure the minimum detectable power of laser altimeter on the condition of constant miss probability by attenuating the laser power transmitting to the diffuse reflected simulant target - was put forward
在傳統的消光系數法基礎上，根據對月測距方程各系數的影響權重分析，提出了非合作目標可調衰減法，即：通過對漫反射模擬目標，衰減出射激光功率，在一定的漏警概率條件下測量激光高度計的最小可探測功率。 -
According to the parameters such as minimum detectable power, range and reflectivity of simulant target, meteorological visibility and optical efficiency, the maximum range of laser altimeter was figured out by the range - finding equation
將最小可探測功率、模擬目標距離、目標物反射率、光學效率等參數代入最大測程推算方程，得出激光高度計最大測程指標。 -
Due to the uncertainty of factors such as far - range, atmospheric attenuation and operated target, a steady and reliable method and setting to characterize laser altimeter ' s performance is an important and difficult technology
由於測程遠、大氣衰減、被測目標物等不確定性因素，建立一種穩定可靠的激光高度計性能指標驗證裝置和方法，是一項重要的、必須解決的技術難點。 -
The method and setting has been adopted by the spaceborne laser altimeter for 200km maximum range and the result is about 100km
使用本方法及裝置，得到月球探測激光高度計原理樣機測距能力為100km 。 -
Satellite laser altimeter return waveform is sensitive to the vertical canopy structure and the change of underlying ground elevation. it is optimal for mapping forest structure. the return waveform and the processing method are described. the relationship between laser waveform and canopy structure parameters is explored ignoring the clumping effects. the clumping caused that structure parameters are different from the actual value. to solve this question, a model by 3 - d canopy structure parameters is needed
星載激光測高儀的回波信號能夠靈敏反映地面植被組成和地表高度的變化，因此能夠用於探測森林地貌;首先對星載激光測高儀的森林回波信號及其處理方法進行了介紹，探討了在不考慮植被聚集情況下，植被組成與回波信號之間的關系;由於植被的聚集效應，例如樹葉群集成樹冠，會導致植被組成參數與真實值之間存在差異，這需要建立關於三維的空間分佈模型加以解決。
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