Fig. 1. Schematic diagram of the PGC-Arctan algorithm

Fig. 2. Schematic diagram of the PGC-DSVV algorithm

Fig. 3. Demodulation results of the four algorithms under different C values

Fig. 4. Spectrogram of the four algorithms under different C values

Fig. 5. Demodulation results of the PGC-DSVV under different SNR

Fig. 6. Sensing system structure diagram

Fig. 7. Experimental equipment

Fig. 8. Demodulation results of the PGC-DSVV

Fig. 9. Experimental results of the four algorithms under different C values

Fig. 10. Dynamic range of the four algorithm