|Table of Contents|

Theory and Method for Evaluation of Anti-jamming Capability of Phase Modulated by Pseudorandom Code Combined with Pulse Doppler Fuze

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2010年02期
Page:
176-181
Research Field:
Publishing date:

Info

Title:
Theory and Method for Evaluation of Anti-jamming Capability of Phase Modulated by Pseudorandom Code Combined with Pulse Doppler Fuze
Author(s):
ZHOU Xin-gang1ZHAO Hui-chang1XU Yuan-yin2
1.School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China;2.Chengdu Fire Control Technology Center of China North Industries Group Corporation,Chengdu 611731,China
Keywords:
pulse Doppler anti-jamming capability evaluation ambiguity function phase modulated by pseudorandom code
PACS:
TN974
DOI:
-
Abstract:
The method of ambiguity function incision is proposed to evaluate the inherent anti-jamming capability of pseudorandom code combined with pulse Doppler(Pseudo-noise pulse Doppler(PN-PD)) fuze.The incision areas of the fuse ambiguity diagrams are calculated.The inherent anti-jamming capability of the PN-PD fuze gets weaker with pulse width widening linearly.The inherent anti-jamming capability of PN-PD fuze and its improvement extent are in direct proportion to the modulated m-sequence length.Compared with the inherent anti-jamming performance of the pulse Doppler fuze,it is demonstrated that the inherent anti-jamming capability of PN-PD fuze within the range of 0.8~4.0 μs is remarkably stronger than the former one.The research results show that the evaluation methodology based on the method of ambiguity function incision can not only evaluate the inherent anti-jamming capability of the same type of fuze with different working parameters and of different types of fuzes with specified working parameters.

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Last Update: 2010-04-30