Fig. 1. Schematic diagram of Doppler lidar

Fig. 2. Schematic diagram of part of the data

Fig. 3. Network input layer eddy current dissipation rate image

Fig. 4. Output result graph of the first convolutional layer

Fig. 5. Output of the second convolutional layer

Fig. 6. Diagram convolutional neural network structuream

Fig. 7. Diagram of CNN training model

Fig. 8. Diagram of convolutional neural network training process

Fig. 9. Schematic diagram of the relationship between decreasing learning rate and network accuracy

Fig. 10. Schematic diagram of loss function during training

Fig. 11. Original data image of two false positives

Fig. 12. Diagram of the judgment of turbulence by two methods

Fig. 13. Schematic diagram of two early warning methods hitting turbulence