Ming-Jun Wang, Ya-Fei Wei, Xi-Zheng Ke. Laser propagation transmission properties characteristics between airborne communication terminal and unmanned aerial vehicle target in complex atmospheric background [J]. Acta Physica Sinica, 2019, 68(9): 094203-1
- Acta Physica Sinica
- Vol. 68, Issue 9, 094203-1 (2019)
Fig. 1. Laser direct transmission, first order scattering transmission through cirrus clouds in aircraft-UAV targets geometric model.飞机对无人机目标的几何模型中激光通过卷云的直接传输、一阶散射传输的示意图
Fig. 2. (a) Average extinction coefficient, (b) single scattering albedo of cirrus clouds vs. effective radius at 1.55 μm wavelength.卷云的消光系数、单次散射反照率随卷云有效半径的变化
Fig. 3. Average phase function of cirrus clouds vs. scattering angle卷云的平均相函数随散射角的变化
Fig. 4. Scattering and extinction coefficient of (a) atmospheric molecules, (b) aerosol vs. altitude.(a)大气分子、(b)气溶胶的散射和消光系数随海拔高度的关系
Fig. 5. (a) Direct transmission, (b) first-order scattering transmission through cirrus clouds vs. UAV target height when aircraft’s height is 9 km.当飞机高度为9 km时, 激光通过卷云的(a)直接传输功率、(b)一阶散射传输功率随无人机目标高度的变化
Fig. 6. (a) Direct transmission, (b) first-order scattering transmission through cirrus clouds vs. UAV target height when aircraft’s height is 6 km.当飞机高度为6 km时, 激光通过卷云的(a)直接传输功率、(b)一阶散射传输功率随无人机目标高度的变化
Fig. 7. (a) Direct transmission, (b) first-order scattering transmission through cirrus clouds vs. UAV target height when aircraft’s height is 7.5 km.当飞机高度为7.5 km时, 激光通过卷云的(a)直接传输功率、(b)一阶散射传输功率随无人机目标高度的变化
Fig. 8. (a) Direct transmission, (b) first-order scattering transmission through cirrus clouds vs. UAV target height for different effective radius r eff.
卷云冰晶粒子的有效半径
不同时, 激光通过卷云的(a)直接传输功率、(b)一阶散射传输功率随无人机目标高度的变化
Fig. 9. (a) Direct transmission, (b) first-order scattering transmission through cirrus clouds vs. UAV target height for different d .
水平距离d 不同时, 激光通过卷云的(a)直接传输功率、(b) 一阶散射传输功率随无人机目标高度的变化
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