Fig. 1. Dual one way ranging schematic diagram

Fig. 2. The block diagram of the overall system

Fig. 3. The block diagram of system main function module

Fig. 4. The test diagram of the real-time communication ranging integrated system

Fig. 5. BER and signal constellation of the transmission experiment

Fig. 6. Ranging images under different modulation formats and rates

Fig. 7. Simulation flow chart

Fig. 8. Frequency/phase discrimination sampling waveform and filtered waveform

Fig. 9. Waveform and zero-crossing decision after frequency/phase discrimination filtering

Fig. 10. Relative error of frequency/phase discrimination