基于周期模糊函数的伪码调相与正弦调频复合引信信号参数提取技术

doi:10.3969/j.issn.1000-1093.2014.05.008

兵工学报 ›› 2014, Vol. 35 ›› Issue (5): 627-633.doi: 10.3969/j.issn.1000-1093.2014.05.008

基于周期模糊函数的伪码调相与正弦调频复合引信信号参数提取技术

张淑宁，朱航，赵惠昌，刘静

(南京理工大学电子工程与光电技术学院，江苏南京 210094)

收稿日期:2013-08-06 修回日期:2013-08-06 上线日期:2014-06-23
作者简介:张淑宁（1977—），女，副教授，硕士生导师
基金资助:
国家部委预先研究项目(9140A05020212DQ0201)；国家自然科学基金项目(61301216、61171168、60702016)

Parameter Extraction Technique Based on Periodic Ambiguity for PRCPM-SFM Compound Fuze Signal

ZHANG Shu-ning， ZHU Hang， ZHAO Hui-chang， LIU Jing

(School of Electronic and Optical Engineering, Nanjing University of Science and Technology,Nanjing 210094, Jiangsu, China)

Received:2013-08-06 Revised:2013-08-06 Online:2014-06-23

摘要/Abstract

摘要： 伪码调相与正弦调频（PRCPM-SFM)复合引信信号参数提取是实施引信欺骗性干扰的前提。针对噪声背景下的PRCPM-SFM复合引信信号，通过分析PRCPM-SFM复合引信信号的周期模糊函数，研究了利用周期模糊函数抑制噪声的机理，根据引信信号周期模糊函数的特点，设计了在模糊函数变换域的参数提取算法。仿真分析表明，该方法能有效提取出引信信号特征参数，具有较好的噪声抑制能力。

关键词: 兵器科学与技术, 周期模糊函数, 参数提取, 噪声抑制, 伪码调相与正弦调频复合引信信号

Abstract: Feature parameter extraction of pseudo-random code phase modulation and sine frequency modulation (PRCPM-SFM) compound fuze signal is a precondition for deception jamming. The periodic ambiguity of PRCPM-SFM signal is analyzed for the PRCPM-SFM fuze detection signal in noise. The noise reduction mechanism based on periodic ambiguity is studied. Based on the characteristic of periodic ambiguity of fuze signal, the parameter extraction algorithm in ambiguity transform domain is designed. Simulation proves that the method can extract the feature parameters effectively and has good anti-noise ability.

Key words: ordnance science and technology, periodic ambiguity, parameter extraction, noise reduction, pseudo-random code phase modulation and sine frequency modulation fuze signal

中图分类号:

TN971.1

张淑宁，朱航，赵惠昌，刘静. 基于周期模糊函数的伪码调相与正弦调频复合引信信号参数提取技术[J]. 兵工学报, 2014, 35(5): 627-633.

ZHANG Shu-ning， ZHU Hang， ZHAO Hui-chang， LIU Jing. Parameter Extraction Technique Based on Periodic Ambiguity for PRCPM-SFM Compound Fuze Signal[J]. Acta Armamentarii, 2014, 35(5): 627-633.

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基于周期模糊函数的伪码调相与正弦调频复合引信信号参数提取技术

Parameter Extraction Technique Based on Periodic Ambiguity for PRCPM-SFM Compound Fuze Signal

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