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调频多普勒引信抗调幅干扰性能分析

左环宇 郝新红 岳凯

左环宇, 郝新红, 岳凯等 . 调频多普勒引信抗调幅干扰性能分析[J]. 北京航空航天大学学报, 2017, 43(10): 2163-2170. doi: 10.13700/j.bh.1001-5965.2016.0829
引用本文: 左环宇, 郝新红, 岳凯等 . 调频多普勒引信抗调幅干扰性能分析[J]. 北京航空航天大学学报, 2017, 43(10): 2163-2170. doi: 10.13700/j.bh.1001-5965.2016.0829
ZUO Huanyu, HAO Xinhong, YUE Kaiet al. Anti-AM jamming performance analysis of FM Doppler fuze[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(10): 2163-2170. doi: 10.13700/j.bh.1001-5965.2016.0829(in Chinese)
Citation: ZUO Huanyu, HAO Xinhong, YUE Kaiet al. Anti-AM jamming performance analysis of FM Doppler fuze[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(10): 2163-2170. doi: 10.13700/j.bh.1001-5965.2016.0829(in Chinese)

调频多普勒引信抗调幅干扰性能分析

doi: 10.13700/j.bh.1001-5965.2016.0829
基金项目: 

国防“973”计划 613196

详细信息
    作者简介:

    左环宇  男, 硕士研究生。主要研究方向:无线电引信信号处理

    郝新红  女, 博士, 副教授, 博士生导师。主要研究方向:无线电探测与信号处理、信息感知与对抗技术

    岳凯  男, 博士研究生。主要研究方向:无线电引信及其对抗技术

    通讯作者:

    郝新红, E-mail: haoxinhong@bit.edu.cn

  • 中图分类号: TJ434.1

Anti-AM jamming performance analysis of FM Doppler fuze

Funds: 

National Security Program on Key Basic Research Project of China 613196

More Information
  • 摘要:

    为提高调频多普勒引信抗调幅干扰性能,定量研究了调幅干扰对其作用机理,以信干比(SJR)增益作为表征参量定量研究了不同调幅干扰作用下调频多普勒引信的抗干扰性能。详细推导了正弦波调幅、方波调幅和三角波调幅干扰作用下调频多普勒引信的信干比增益,并对其进行了仿真验证。定量分析、仿真与引信实验测试结果表明:在调幅干扰下调频多普勒引信总信干比增益在10 dB量级;调频多普勒引信抗各种调制样式调幅干扰能力相当,对调幅干扰调制样式不敏感;调幅指数对调频多普勒引信抗干扰性能基本无影响;减小多普勒滤波器带宽可以一定程度提高调频多普勒引信系统抗干扰性能。

     

  • 图 1  调频多普勒引信原理框图

    Figure 1.  Principle diagram of FM Doppler fuze

    图 2  正弦波调幅干扰模型

    Figure 2.  Model of sine wave AM jamming

    图 3  调频多普勒引信总信干比增益与带通滤波器带宽和多普勒滤波器带宽的关系

    Figure 3.  Relationship between total SJR gain of FM Doppler fuze and bandpass filter bandwidth as well as Doppler filter bandwidth

    表  1  调幅干扰下调频多普勒引信信干比增益理论分析结果

    Table  1.   Theoretical analysis results of SJR gain of FM Doppler fuze under AM jamming

    干扰信号样式SJRISJROG
    正弦波调幅
    方波调幅
    三角波调幅
    下载: 导出CSV

    表  2  调频多普勒引信抗调幅干扰仿真结果

    Table  2.   Simulation results of anti-AM jamming for FM Doppler fuze

    干扰
    信号样式
    输入功率
    仿真值/W
    输出功率
    仿真值/(10-4W)
    总信干比
    增益仿真值/dB
    总信干比
    增益理论值/dB
    总信干比
    增益表达式
    正弦波调幅0.501 25.349 59.797 38.104 1
    方波调幅0.499 03.677 311.406 19.696 5
    三角波调幅0.500 04.571 210.469 88.179 0
    下载: 导出CSV

    表  3  实验中各类干扰波形样式下使引信启动最小干扰功率

    Table  3.   Minimum experimental jamming power of fuze actuation under different jamming waves

    干扰波形
    样式
    干扰信号
    调幅指数/%
    使1#引信启动最小
    干扰功率/dBm
    使2#引信启动最小
    干扰功率/dBm
    正弦波
    调幅扫频
    50
    100
    -15
    -15
    -17
    -17
    方波
    调幅扫频
    50
    100
    -15
    -15
    -23
    -23
    三角波
    调幅扫频
    50
    100
    -14
    -14
    -18
    -18
    锯齿波
    调幅扫频
    50
    100
    -14
    -14
    -16
    -16
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-10-26
  • 录用日期:  2017-01-20
  • 网络出版日期:  2017-10-20

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