Fig. 1. Schematic diagram of PDV

Fig. 2. Schematic diagram of TS-PDV

Fig. 3. Schematic diagram of high-speed flyer generation and velocity measurement system

Fig. 4. Comparison of the time-frequency diagram measured by different systems

Fig. 5. Comparison of the time-frequency ridge extraction diagram measured by different systems

Fig. 6. Comparison of curves before and after displacement error compensation