Cuicui Bi, Chun Qing, Xianmei Qian, Gang Sun, Qing Liu, Wenyue Zhu, Manman Xu, Yajuan Han, Yiming Guo. Estimation of Atmospheric Optical Turbulence Profile Based on Back Propagation Neural Network[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2101001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 21, 2101001 (2021)
Fig. 1. Micro-thermometer measurement system. (a) Micro-thermometer; (b) platinum wire probe
Fig. 2. Measurement experiment of turbulence meteorological radiosonde
Fig. 3. Topological structure diagram of GA-BP neural network
Fig. 4. Errors of training set and validation set for different number of neurons in hidden layer.（a）
Fig. 5. Flow chart of GA-BP neural network algorithm
Fig. 6. Training process of GA-BP neural network algorithm
Fig. 7. Measured and estimated values for turbulence profile
Fig. 8. BIAS, RMSE, σ, and average profile of
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Table 1. Sounding records of turbulence radiosonde
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