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1. 三峡大学电气与新能源学院,湖北 宜昌 443002
2. 空军航空大学信息对抗系,吉林 长春 130022
[ "聂小鹏(1997-),男,三峡大学电气与新能源学院在读,主要研究方向为电气工程及其自动化。" ]
[ "沈祖成(1973-),男,三峡大学电气与新能源学院副教授,主要研究方向为电气工程及其自动化。" ]
[ "王晓峰(1987-),男,博士,空军航空大学信息对抗系讲师,主要研究方向为信号与信息处理。" ]
[ "王春雨(1983-),女,空军航空大学信息对抗系副教授,主要研究方向为信号与信息处理。" ]
网络出版日期:2018-02,
纸质出版日期:2018-02-20
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聂小鹏, 沈祖成, 王晓峰, 等. 正弦调频连续波信号参数估计新方法[J]. 电信科学, 2018,34(2):74-80.
Xiaopeng NIE, Zucheng SHEN, Xiaofeng WANG, et al. A new method of parameter estimation for sinusoidal frequency modulated continuous wave signal[J]. Telecommunications science, 2018, 34(2): 74-80.
聂小鹏, 沈祖成, 王晓峰, 等. 正弦调频连续波信号参数估计新方法[J]. 电信科学, 2018,34(2):74-80. DOI: 10.11959/j.issn.1000-0801.2018089.
Xiaopeng NIE, Zucheng SHEN, Xiaofeng WANG, et al. A new method of parameter estimation for sinusoidal frequency modulated continuous wave signal[J]. Telecommunications science, 2018, 34(2): 74-80. DOI: 10.11959/j.issn.1000-0801.2018089.
针对电子侦察截获的正弦调频连续波信号,提出一种调制参数估计的新方法。首先基于信号调制函数的周期性,采用自相关函数完成调制频率估计,然后基于重排谱图提取调频曲线,对调频曲线进行修正,进而实现载频、调制指数和初始调制相位的估计。仿真实验表明,该方法在无需先验知识,且信噪比为-5 dB时,各调制参数均具有较高的估计精度,均方误差均能低于-25 dB。
A new method of modulation parameter estimation was proposed to process the sinusoidal frequency modulated continuous wave signal intercepted by electronic reconnaissance.Firstly
based on the periodicity of signal modulation function
the modulated frequency was estimated using autocorrelation function.And then
the frequency modulation curve was extracted and revised based on rearranging spectrogram.Finally
the carrier frequency
the modulation exponent and the initial phase were estimated by the frequency modulation curve.The simulation experiment results show that the proposed method does not require prior knowledge
and the mean square error of each modulation parameter can reach -25 dB by using this method when SNR is -5 dB.
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FENG W T , LIANG Q , GU J . Multi component sinusoidal FM signal estimation based on spectrum analysis [J ] . Journal of Xi'an University of Posts and Telecommunications , 2017 , 22 ( 4 ): 86 - 90 .
WANG Z , WANG Y , XU L . Parameter estimation of hybrid linear frequency modulation-sinusoidal frequency modulation signal [J ] . IEEE Signal Processing Letters , 2017 , PP ( 99 ): 1 .
DJUROVIĆ I . Estimation of sinusoidal frequency-modulated signal parameters in high-noise environment [J ] . Signal Image &Video Processing , 2017 ( 1 ): 1 - 5 .
吕远 , 祝俊 , 唐斌 . 基于DPT的非线性调频信号参数估计 [J ] . 电子测量与仪器学报 , 2009 , 23 ( 6 ): 63 - 67 .
LU Y , ZHU J , TANG B . Estimation of nonlinear FM signal parameter based on DPT [J ] . Journal of Electronic Measurement and Instrument , 2009 , 23 ( 6 ): 63 - 67 .
陈沁根 , 张兴敢 . 基于时频分析-随机Hough变换的微动目标参数快速提取 [J ] . 南京大学学报(自然科学) , 2017 , 53 ( 6 ): 1178 - 1186 .
CHEN Q G , ZHANG X G . Rapid extraction of parameters of Micro Motion target based time-frequency analysis and random Hough transformation [J ] . Journal of Nanjinu University (Natural Science) , 2017 , 53 ( 6 ): 1178 - 1186 .
李明孜 , 赵惠昌 . 基于自适应窗长WD分析的伪码调相—载波调频复合引信信号的参数提取研究 [J ] . 电子与信息学报 , 2007 , 29 ( 9 ): 2086 - 2089 .
LI M Z , ZHAO H C . The study on parameters extraction of pseudo code phase modulation-carry frequency modulation combined fuse signal based on the adaptive window length WD analysis [J ] . Journal of Electronics & Information Technology , 2007 , 29 ( 9 ): 2086 - 2089 .
牛杰 , 姜卫东 , 程永强 , 等 . 基于CAFMS算法的正弦调频信号参数估计及性能分析 [J ] . 电子学报 , 2012 , 40 ( 7 ): 1460 - 1464 .
NIU J , JIANG W D , CHENG Y Q , et al . Parameters estimation of a sinusoidal FM signal based on cyclic autocorrelation function maximum search algorithm and its performance analysis [J ] . Acta Electronica Sinica , 2007 , 29 ( 9 ): 2086 - 2089 .
黄浩 , 李昀豪 , 祝俊 . 基于循环自相关的正弦调频信号参数估计新方法 [J ] . 电讯技术 , 2013 , 53 ( 9 ): 1180 - 1184 .
HUANG H , LI J H , ZHU J . A new sinusoidal FM signal parameters estimation algorithm based on cyclic autocorrelation [J ] . Telecommunication Engineering , 2013 , 53 ( 9 ): 1180 - 1184 .
朱航 , 张淑宁 , 赵惠昌 . 基于广义周期性的单通道多分量正弦调频信号分离和参数估计 [J ] . 电子与信息学报 , 2014 , 36 ( 10 ): 2438 - 2444 .
ZHU H , ZHANG S N , ZHAO H C . Single channel source separation and parameters estimation of multi-component sinusoid frequency modulation signal based on generalized periodic [J ] . Journal of Electronics & Information Technology , 2014 , 36 ( 10 ): 2438 - 2444 .
熊辉 , 吕远 , 曾德国 , 等 . 利用卡森准则的正弦调频信号参数估计方法 [J ] . 电子测量与仪器学报 , 2010 , 24 ( 4 ): 353 - 357 .
XIONG H , LV Y , ZENG D G , et al . SFM signal parameter estimation algorithm based on Carson rule [J ] . Journal of Electronic Measurement And Instrument , 2010 , 24 ( 4 ): 353 - 357 .
全盛荣 , 张天骐 , 王俊霞 , 等 . 基于稀疏分解的 SFM 信号的时频分析方法 [J ] . 电子技术应用 , 2016 , 42 ( 6 ): 87 - 90 .
QUAN S R , ZHANG T Q , WANG J X , et al . A new time-frequency analysis method of sinusoidal frequency modulation signals based on sparse decomposition [J ] . Application of Electronic Technique , 2016 , 42 ( 6 ): 87 - 90 .
黄浩 , 李昀豪 , 祝俊 . 四参数正弦曲线拟合的一种收敛算法 [J ] . 仪器仪表学报 , 2006 , 27 ( 11 ): 1513 - 1519 .
HUANG H , LI J H , ZHU J . Convergence algorithm of four-parameter sine wave curve-fit [J ] . Chinese Journal of Scientific Instrument , 2006 , 27 ( 11 ): 1513 - 1519 .
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