Phase Error Measurement and Compensation Technology for Demodulated Signals Based on Phase Synchronization Technology

Based on the phase synchronization, the phase error of demodulated signal is detected and compensated. At present, research on this issue mainly focuses on the low measurement accuracy of phase error and the poor compensation effect for phase error. To solve this problem, this article adopted a new phase synchronization algorithm. Firstly, a new phase synchronization method was adopted to improve the measurement accuracy. On this basis, the advanced phase detection method was adopted to effectively reduce the noise, distortion and other interference in the system, thus improving the accuracy and stability of the system. Secondly, phase synchronization technology and precise phase compensation method were used to compensate phase deviation of demodulated signal. The quality and reliability of demodulated signal were improved by the correction of complex phase distortion. The qualification rate of this article could reach 96.9%. The research in this article is of great significance for improving the phase synchronization and demodulation performance in communication systems.