水声扩频通信中多假设反馈自适应均衡算法研究.pdf

水声扩频通信中多假设反馈自适应均衡算法研究pdf,水声扩频通信中多假设反馈自适应均衡算法研究L=63 Kasam序列相位偏移复量互相关系数分布0.80.60.4=120.2=/80-0.2T=0-04-0.6-0.8-0.50DecisionPu(o )_out::相b"(a)关湖x每一种假设各自对应的参数以码片速率自适应更新自最佳自适应判决反馈均衡算法(FOMS+ FOLMSPC使用正确假设参数更新Adaptive_-parameterserrectindexcorrect index其余每一种假设的自适应参数Perrett index输出o1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.netL=255m=2L=255m=2错话误码字假设0.8错误码字假设错误码字假设0.60.60.60.40.40.20.20.2-0.202…0.40.40.60.6正确假设06正确假设08|鑽误相位假设。正确假设-08错误相位假设0.8错误相位假设-0.5-0.50.5-0.50.5Rcalo1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net=255m=255m=L-255m=208-…0.80.80.60.6错误相位假设0.60.40.4错误相位假设0.20.2o错码字假没错误码字假设0.20错误码字假设0.2-04斗神柒正确假设|-0-0.40.6-0.6止确假设-0.6-0.80.8--08-……错误相位假设正确假设0.50.50.5Rea0.50.500.5Real600米20005350米08-0.8}-…-0.8囹0.6060.6“…÷……0.40.40.20.20.2AMin√wwMA△M-△AM1020301010030时间(mS)时间(mS)时间(mSo1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net信道解码前-信道解码后1010100误码10101210nrdB10°信道解码前目⊙信道解码前日信道解码后日信道解码后10101010101010106SRGB)千扰用户个数o1994-2011cHinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net8074供应商库存—生产商库存—销售商库存积累订单数695753417160t24+4}3是点333供应商库存生产商库存销售商库存积累订单数6346402368}23383131313332供应商库存生产商库存销售商库存积累订单数6351462923160l111111111111111111111144444444444444444000000000o1994-2011cHinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net