超宽带引信取样脉冲宽度与相关接收输出信号幅度关系研究

doi:10.3969/j.issn.1000-1093.2016.11.004

兵工学报 ›› 2016, Vol. 37 ›› Issue (11): 1989-1994.doi: 10.3969/j.issn.1000-1093.2016.11.004

超宽带引信取样脉冲宽度与相关接收输出信号幅度关系研究

李萌，黄忠华

(北京理工大学机电学院, 北京 100081)

收稿日期:2016-04-18 修回日期:2016-04-18 上线日期:2016-12-30
作者简介:李萌(1986—)，男，博士研究生
基金资助:
总装备部预先研究项目(62201040601)

Research on Relation between Sampling Pulse Width and Output Signal Amplitude for Ultra-wideband Radio Fuze

LI Meng， HUANG Zhong-hua

(School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081，China)

Received:2016-04-18 Revised:2016-04-18 Online:2016-12-30

摘要/Abstract

摘要： 超宽带无线电引信接收机基于相关接收原理获取预设炸高处的目标回波信号，回波信号与经过延迟的取样脉冲信号进行相关运算得到引信接收机输出信号。优化取样脉冲宽度可以提高超宽带引信探测灵敏度。根据超宽带引信相关接收原理，建立超宽带引信相关接收数学模型，分析取样脉冲宽度与相关接收函数幅值的关系。发射脉冲宽度分别为50 ps、100 ps、200 ps时对引信相关接收输出信号进行仿真，仿真结果表明取样脉冲宽度与发射脉冲宽度相等时引信相关接收输出信号幅度最大；通过实验结果验证了该理论模型的正确性。研究结果适用于超宽带引信接收机优化设计。

关键词: 兵器科学与技术, 引信, 超宽带, 相关接收, 时域多普勒

Abstract: Ultra-wide bandwidth (UWB) radio fuze receiver receives a target echo signal based on a correlation receiving principle. The signals from fuze receiver are obtained by the correlation calculation of echo signal and delayed sampling pulse signal. The sampling pulse width can be optimized to increase the detection sensitivity of UWB fuze. A correlation receiving mathematical model of UWB fuze is established based on the correlation receiving theory, and the relationship between the sampling pulse width and the amplitude correlation receiver function is analyzed. The received output signals are simulated when transmitted pulse width is 50 ps, 100 ps and 200 ps. The simulated results show that the fuze-received output signal has the maximum amplitude when the sampling pulse width is the same as the transmitted pulse width.

Key words: ordnance science and technology, fuze, ultra-wide bandwidth, correlation receiving, time-domain Doppler

中图分类号:

TJ43⁺4.1

李萌，黄忠华. 超宽带引信取样脉冲宽度与相关接收输出信号幅度关系研究[J]. 兵工学报, 2016, 37(11): 1989-1994.

LI Meng， HUANG Zhong-hua. Research on Relation between Sampling Pulse Width and Output Signal Amplitude for Ultra-wideband Radio Fuze[J]. Acta Armamentarii, 2016, 37(11): 1989-1994.

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超宽带引信取样脉冲宽度与相关接收输出信号幅度关系研究

Research on Relation between Sampling Pulse Width and Output Signal Amplitude for Ultra-wideband Radio Fuze

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