摘要
分析了多脉冲ＰＰＫ编码调制方式的基本性能，给出了脉冲ＰＰＫ调制器调制的传信率计算式，指出了它的信号空间与冗余性的特点，证明了多脉冲ＰＰＫ不但优于单脉冲ＰＰＫ，而且在适当信号设计的条件下，在传信率上甚至优于二进制ＯＯＫ。
This paper analyses the multiple pulses PPK coded modulation characteristics, such as signal space, redundancy, ratio of data rates and band The caculation for ratio of data rates is given Under certain conditions, multiple pulses PPK has higher date rates than single pulse PPK and OOK, and it has not bandwidth spread Suitable parameter choice can space much larger redundancy than that of the multiple pulses PPK itself, and thus provide the capability of correct coded control
出处
《电子科技大学学报》
EI
CAS
CSCD
北大核心
1998年第5期516-521,共6页
Journal of University of Electronic Science and Technology of China
基金
电子工业部预研基金
关键词
光通信
脉位调制
编码调制
传信率
optical communications
pulse position modulation
coded modulation, ratio of data rates and band
