Analysis of Transmitting Waveform of Radio Fuze Modulated by Chaotic Bi-phased Code and Hybrid Linear FrequencyModulation

doi:10.3969/j.issn.1000-1093.2018.11.006

Abstract

Abstract: A scheme of modulating the transmitting waveform of radio fuze by chaotic bi-phased code and hybrid linear frequency modulation is proposed to improve the anti-jamming performance of radio fuze in complex battlefield electromagnetic environment. The ambiguity function of the transmitting waveform is derived theoretically, the influence factors of the distance and velocity resolutions are calculated and analyzed quantitatively, and the anti-interception factor is also calculated. The anti-jamming performance of the radio fuze is tested in the ECCM experiments of the fuze prototype and the jamming system. The simulated and experimental results show that the proposed waveform has the better resolution performances and anti-jamming performance compared with the traditional transmitting waveform. Key

Key words: radiofuze, hybridmodulationwaveform, chaoticbi-phasedcodemodulation, linearfrequencymodulation, anti-jammingperformance, ambiguityfunction, resolution, anti-interceptability

CLC Number:

TJ43⁺4.1

CHEN Qi-le, YAN Qi, HAO Xin-hong, DU Han-yu. Analysis of Transmitting Waveform of Radio Fuze Modulated by Chaotic Bi-phased Code and Hybrid Linear FrequencyModulation[J]. Acta Armamentarii, 2018, 39(11): 2127-2136.

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第39卷第11期
2018 年11月兵工学报ACTA
ARMAMENTARIIVol.39No.11Nov. 2018

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