Due to instability of a normal pseudolite,it is vital to ensure that the signal transmitted by a pseudolite is stable.In this paper,a carrier frequency self-alignment closed-loop system is designed for enhancing the s...Due to instability of a normal pseudolite,it is vital to ensure that the signal transmitted by a pseudolite is stable.In this paper,a carrier frequency self-alignment closed-loop system is designed for enhancing the stability of a transceiver pseudolite.Carrier frequency feedback is used to compensate for interference from external noise,so that it can make the signal more stable.This system is able to be stable via the related root locus and bode diagram analysis.PID compensation is used to enhance transient-state and static-state performances of carrier frequency self-alignment closed-loop system.According to MATLAB Simulink simulation,carrier frequency self-alignment is achievable and it can suppress external noise interference,which makes the signal more stable.展开更多
文摘Due to instability of a normal pseudolite,it is vital to ensure that the signal transmitted by a pseudolite is stable.In this paper,a carrier frequency self-alignment closed-loop system is designed for enhancing the stability of a transceiver pseudolite.Carrier frequency feedback is used to compensate for interference from external noise,so that it can make the signal more stable.This system is able to be stable via the related root locus and bode diagram analysis.PID compensation is used to enhance transient-state and static-state performances of carrier frequency self-alignment closed-loop system.According to MATLAB Simulink simulation,carrier frequency self-alignment is achievable and it can suppress external noise interference,which makes the signal more stable.
