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author:

孙旭飞 (孙旭飞.) [1]

Indexed by:

PKU CSCD

Abstract:

提出了双伪码编码直接序列扩频的通信方法,该方法能有效改善电力线载波扩频通信中抗干扰性强和接收灵敏度高的特点得不到发挥这一问题,调制后的扩频信号只含载波和伪码成分,伪码的周期与原基带信号的波特率一致并保持同步,双伪码分别代表基带信号中的0和1.这种方法使得解调时省略了载波的恢复,也省去了传统的基带信号解调,从而提高了接收灵敏度,更重要的是解调信号来自双伪码相关检测结果的差分输出,使之能够有效抑制各种干扰信号,提高了抗干扰性.

Keyword:

双伪码编码 同步捕获 同步跟踪 扩频通信 电力线载波 直序扩频

Community:

  • [ 1 ] 福州大学物理与信息工程学院

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Source :

武汉大学学报(工学版)

Year: 2010

Issue: 06

Volume: 43

Page: 780-783

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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