CAJ | 학술논문

为了实现突发16APSK信号载波同步,介绍了信号模型,给出了开环载波同步算法,分析了开环载波频偏估计和载波初始相位估计,介绍了闭环载波同步算法,重点介绍了载波相位误差提取和闭环载波跟踪。通过载波同步仿真分析了开环频偏和初始相位估计及闭环开环联合算法的性能,验证了其适用于突发16APSK载波同步。
위료실현돌발16APSK신호재파동보,개소료신호모형,급출료개배재파동보산법,분석료개배재파빈편고계화재파초시상위고계,개소료폐배재파동보산법,중점개소료재파상위오차제취화폐배재파근종。통과재파동보방진분석료개배빈편화초시상위고계급폐배개배연합산법적성능,험증료기괄용우돌발16APSK재파동보。
This paper presents an algorithm for burst 16APSk＇s carrier synchronization.The signal mode is introduced first,and then the carrier synchronization algorithm based on open loop is introduced.The carrier offset estimation and the initial phase estimation based on open loop is analyzed,and the carrier synchronization based on closed loop is introduced,emphasizing on carrier phase error estimation and carrier tracking based on closed loop.At last,the performance of the algorithm based on open and closed loop is analyzed through carrier synchronization simulation,and it is proved that this algorithm is applicable for burst 16-APSK＇s carrier synchronization.