Fig. 1. Frequency-discriminating parameter curves of modulation signal. (a) h'(ω)and h(ω); (b) ?0(ω)[15]; (c) A0ωand A0(ω); (d) ?0(ω) and ?'0(ω)

Fig. 2. New frequency-discriminating parameters and measurement sensitivity curves. (a) An(ω) and A0(ω); (b) ΘAn(ω) and ΘA0(ω); (c) AL(ω) and An(ω); (d) ΘAL(ω) and ΘAn(ω)

Fig. 3. Schematic of experimental setup

Fig. 4. Measuring values of E02A0,E12, E02h',?0 under different frequency shifts. (a) E02A0ω ; (b) E12 ; (c) E02h'(ω) ; (d) ?0(ω)

Fig. 5. Measurement mean value and standard deviation curves of A0(ω) and An (ω). (a) Mean value; (b) Standard deviation

Fig. 6. Curves of sensitivity and error measured by Doppler shift versus Doppler shift. (a) ΘA0(ω) and ΘAn(ω); (b) σν_A0(ω) and σν_A0(n)(ω)

Fig. 7. Measured values under different frequencies. (a) E2A0ω and E02A0ω; (b) ?1(ω) and ?0(ω); (c) E2h'(ω) and E02h'(ω)

Fig. 8. Curves of measurement mean value and standard deviation of A'n and An. (a) Mean value; (b) standard deviation

Fig. 9. Curves of sensitivity and error measured by Doppler-shift. (a) ΘA'n(ω) and ΘAn(ω); (b) σν_An(ω) and σν_A'n(ω)

Fig. 10. Measuring values of ?n(?') and AL under different frequency shifts. (a) ?n(ω) and ?'(ω); (b) AL(ω)

Fig. 11. Curves of the new frequency-discriminating parameters. (a) A'n(ω) and AL(ω); (b) σAn(ω) and σAL(ω); (c) ΘA'n(ω) and ΘAL(ω); (d) σν_A'n(ω) and σν_AL(ω)

Fig. 12. Dual-edge phase-modulated frequency-discriminating system schematic and frequency-discriminating curve. (a) Schematic; (b) frequency-discriminating