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  • 路翠华,李国林,粘朋雷.自适应陷波器在连续波引信噪声抑制中的应用[J].电讯技术,2011,51(1): - .    [点击复制]
  • LU Cui-hua,LI Guo-lin,NIAN Peng-lei.Application of Adaptive Notch Filter in Continuous wave Fuze Noise Suppression[J].,2011,51(1): - .   [点击复制]
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自适应陷波器在连续波引信噪声抑制中的应用
路翠华,李国林,粘朋雷
0
(海军航空工程学院 七系,山东 烟台 264001)
摘要:
为提高连续波多普勒无线电引信在噪声干扰环境中的工作可靠性,分析了噪声干扰对 连续波多普勒无线电引信的影响。根据连续波引信信号的单频率特点,将单频率自适应陷波 器应用到引信中,用来对引信通带内的噪声干扰进行抑制,分析了噪声抑制原理,并对噪声 抑制效果进行了仿真。仿真结果表明,信噪比为-10 dB时,利用单频率自适应陷波器仍 然可以达到很好的噪声抑制效果。
关键词:  连续波多普勒引信  自适应陷波器  噪声抑制
DOI:
基金项目:
Application of Adaptive Notch Filter in Continuous wave Fuze Noise Suppression
LU Cui-hua,LI Guo-lin,NIAN Peng-lei
(No.7 Department,Naval Aeronautical and Astronautical University,Yantai 26400 1,China)
Abstract:
In order to improve continuouswave(CW) fuze′s reliability under the circu mstance of noise interference, the effect of noise interference on CW Doppler fu ze is analysed. According to the character that the signal of CW fuze is monochr omatic, monochromatic adaptive notch filter is used to suppress noise. The principle of antinoise is analysed, and the effect of a ntinoise is simulated. The simulation results show that when the SNR(Signal to Noise Ratio) is-10 dB ,noise can be still suppressed effectively.
Key words:  continuous wave(CW) Doppler fuze  adaptive notch filter  noise suppression
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