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基于时频修正与波形变换的MFSK信号调制参数盲估计

邱钊洋 黄焱 欧阳喜

邱钊洋, 黄焱, 欧阳喜. 基于时频修正与波形变换的MFSK信号调制参数盲估计[J]. 电子与信息学报, 2017, 39(10): 2536-2540. doi: 10.11999/JEIT161399
引用本文: 邱钊洋, 黄焱, 欧阳喜. 基于时频修正与波形变换的MFSK信号调制参数盲估计[J]. 电子与信息学报, 2017, 39(10): 2536-2540. doi: 10.11999/JEIT161399
QIU Zhaoyang, HUANG Yan, OUYANG Xi. Blind Estimation of Modulation Parameters of MFSK Signal Based on Time-frequency Modifying and Waveform Transforming[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2536-2540. doi: 10.11999/JEIT161399
Citation: QIU Zhaoyang, HUANG Yan, OUYANG Xi. Blind Estimation of Modulation Parameters of MFSK Signal Based on Time-frequency Modifying and Waveform Transforming[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2536-2540. doi: 10.11999/JEIT161399

基于时频修正与波形变换的MFSK信号调制参数盲估计

doi: 10.11999/JEIT161399
基金项目: 

国家自然科学基金(61072046)

Blind Estimation of Modulation Parameters of MFSK Signal Based on Time-frequency Modifying and Waveform Transforming

Funds: 

The National Natural Science Foundation of China (61072046)

  • 摘要: 多进制频移键控(MFSK)信号被广泛应用于各种军用、民用通信系统中。针对其调制参数估计,现有的方法大多基于小波变换,但其存在抗噪性能差,参数不易选取等问题。通过对语图不确定原理的研究,该文提出一种语图逻辑与运算方法,并引入波形变换理论改善时频变换波形占空比,提高了估计算法的信噪比门限,完成低信噪比下MFSK信号调制参数的自适应盲估计。仿真表明,所提算法在抗噪声、频偏性能及参数选取鲁棒性上均优于现有常用算法,适合工程实践。
  • WANG H, DOBRE O, LI C, et al. Blind cyclostationarity- based symbol period estimation for FSK signals[J]. IEEE Communications Letters, 2015, 19(7): 1149-1152. doi: 10. 1109/LCOMM.2015.2436915.
    WANG H, DOBRE O A, LI C, et al. Joint classification and parameter estimation of M-FSK signals for cognitive radio[C]. IEEE International Conference on Communications, Ottawa, Canada, 2012: 1732-1736.
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    WANG W, ZHANG X Y, TENG X Y, et al. Symbol rate estimation of M-ASK modulated signals[J]. Journal of Information Engineering University, 2015, 16(1): 35-40. doi: 10.3969/j.issn.1671-0673.2015. 01.007.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2016-12-29
  • 修回日期:  2017-05-11
  • 刊出日期:  2017-10-19

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