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author:

徐艺文 (徐艺文.) [1] (Scholars:徐艺文) | 陈忠辉 (陈忠辉.) [2] | 王卫星 (王卫星.) [3]

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Abstract:

为解决传统二进制频移键控(2FSK)技术不适应低压电力线(LPLC)信道频率选择性衰落特性的问题,结合离散短时傅立叶变换(DSTFT)和高阶矩理论,提出一种新的可用于时频分析的信噪比估计算法,在此基础上实现了基于时频分析的多载波2FSK信号的数字化解调.仿真结果表明信噪比估计精度可满足LPLC通信的实际需求,且在相同噪声干扰情况下,多载波系统的误码率明显低于单载波系统.

Keyword:

信噪比估计 电力线载波通信 离散短时傅立叶变换 频移键控 高阶矩

Community:

  • [ 1 ] [徐艺文]福州大学
  • [ 2 ] [陈忠辉]福州大学
  • [ 3 ] [王卫星]福州大学

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Source :

四川大学学报(工程科学版)

ISSN: 1009-3087

CN: 51-1596/T

Year: 2013

Issue: 1

Volume: 45

Page: 158-163

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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