Research on Anti-frequency Sweeping Jamming Method for Frequency Modulation Fuze Based on Timing Sequence andCorrelation Detection

doi:10.3969/j.issn.1000-1093.2017.08.004

Abstract

Abstract: Frequency sweeping jamming is a serious threat to frequency modulation (FM) fuze. To improve the anti-frequency sweeping jamming performance of FM fuze, a frequency sweeping jamming mo-del is established, the failure mechanism of FM fuze is analyzed, and an anti-frequency sweeping jamming method based on timing sequence and correlation detection for FM fuze is proposed. The missile-target range information, dual-channel timing sequence information and time interval information are used to control the FM fuze's detonation. The feasibility of the proposed method which is also implemented in hardware is verified through simulation. The simulated and measured results show that the proposed method can be used to improve the anti-frequency sweeping jamming performance and ranging accuracy of FM fuze more effectively compared with the harmonic ranging method, and the complexity and instantaneity of the proposed method can satisfy the fuze's requirement.Key

Key words: ordnancescienceandtechnology, frequencymodulationfuze, anti-frequencysweepingjamming, timingsequence, correlation

CLC Number:

TJ43⁺4.1

KONG Zhi-jie， HAO Xin-hong， LI Ping， WANG Zhe. Research on Anti-frequency Sweeping Jamming Method for Frequency Modulation Fuze Based on Timing Sequence andCorrelation Detection[J]. Acta Armamentarii, 2017, 38(8): 1483-1489.

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第38卷
第8期2017 年8月兵工学报ACTA
ARMAMENTARIIVol.38No.8Aug.2017

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