Recognition of MPSK and MFSK signals based on distance and fuzz

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (19): 150-152.

• 数据库、信号与信息处理 • Previous Articles Next Articles

Recognition of MPSK and MFSK signals based on distance and fuzz

WANG Lanxun，WU Honglin

School of Electronic and Information Engineering，Hebei University，Baoding，Hebei 071002，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-07-01 Published:2011-07-01

基于距离和模糊的MPSK及MFSK信号识别

王兰勋，伍宏林

河北大学电子信息工程学院，河北保定 071002

Abstract

Abstract: The shortcoming of signal modulation recognition is in need of signal prior information，in addition，many papers use fixed threshold of the characteristic parameters of signals to identify the signal which always leads to erroneous identification.This article extracts several parameters which only relate to signal-type or signal-ary，and combined with distance of characteristic parameters and fuzzy comprehensive evaluation to complete the signal modulation recognition.Theoretical analysis and computer simulation show that the method can effectively identify the MPSK and MFSK signals.

Key words: modulation recognition, parameter distance, fuzzy evaluation, MPSK&, MFSK signals

摘要： 针对目前信号的调制方式识别存在需要先验信息的不足以及利用信号特征参数固定阈值造成误判调制方式的问题，提取了只随信号类别和信号进制不同而相异的特征参数，结合特征参数距离和模糊评判完成信号的调制方式识别。理论分析和计算机仿真表明用该方法区别MPSK信号和MFSK信号效果理想。

关键词: 调制识别, 参数距离, 模糊评判, MPSK&, MFSK信号

WANG Lanxun，WU Honglin. Recognition of MPSK and MFSK signals based on distance and fuzz[J]. Computer Engineering and Applications, 2011, 47(19): 150-152.

王兰勋，伍宏林. 基于距离和模糊的MPSK及MFSK信号识别[J]. 计算机工程与应用, 2011, 47(19): 150-152.

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Recognition of MPSK and MFSK signals based on distance and fuzz

基于距离和模糊的MPSK及MFSK信号识别

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