CAJ | 학술논문

针对多径衰落信道下BOC(二进制偏移载波)信号的捕获问题,通过对多径衰落信道建模,运用目前较优越的捕获算法对各信道下的捕获性能进行比较。结合莱斯因子K、多径径数L以及多径延迟,分析了多径衰落信道对B OC信号捕获产生的影响。理论分析和仿真结果表明,K值越大,捕获函数峰值越大,捕获性能越好；L值越小,出现副峰越少,捕获性能越好。
침대다경쇠락신도하BOC(이진제편이재파)신호적포획문제,통과대다경쇠락신도건모,운용목전교우월적포획산법대각신도하적포획성능진행비교。결합래사인자K、다경경수L이급다경연지,분석료다경쇠락신도대B OC신호포획산생적영향。이론분석화방진결과표명,K치월대,포획함수봉치월대,포획성능월호；L치월소,출현부봉월소,포획성능월호。
This paper discusses the acquisition of BOC signals in multipath fading channels.It first compares the acquisition performances in various channels using the currently superior acquisition algorithm on the basis of the models of multipath fa-ding channels.Then it analyzes the impacts of the channels on the acquisition performances in connection with Rice factor K, multipath routing number L and multipath delay.Theoretical analysis and simulation results show that the larger the Rice fac-tor K,the larger the acquisition function peak value and the better the acquisition performance,while the smaller the multipath routing number L,the less the side peaks and the better the acquisition performance.