Fig. 1. Relationship between echo power and fog under different pulse width

Fig. 2. Relationship between echo power and pulse width under different fog

Fig. 3. Backscattering power ratio of fog between different pulse width

Fig. 4. Composition block diagram

Fig. 5. Sequence control

Fig. 6. Flow diagram of target and interference recognition

Fig. 7. Comparison of echo power from target between 5 ns and 100 ns

Fig. 8. Comparison of backscattering power from fog between 5 ns and 100 ns