Research on Modeling and Simulation of Echo Signal of Pulse Doppler Fuze and Judgment Criterion of Its Impact

doi:10.3969/j.issn.1000-1093.2016.10.008

Abstract

Abstract: The existing two-dimensional missile-target encounter model is difficult to simulate accurately the echo signal of fuze for attack. In order to accurately give a judgment criterion for “impact priority” of pulse Doppler fuze, a three-dimensional missile-target engagement model is used to establish fuze echo model, and the mathematical formula of echo signal is derived. The short-time fractional Fourier transform is used to analyze the impact and proximity bursts in the three-dimensional missile-target engagement model. The judgment criteria for pulse Doppler fuze to adaptively select impact function or proximity function are obtained. Matlab simulation results are usedverify the accuracy of the analytical model and the judgment criterion.

Key words: ordnance science and technology, missile-target engagement model, pulse Doppler, impact priority, judgment criterion, short-time fractional Fourier transform

CLC Number:

TJ43⁺9

XIAO Ze-long， ZHANG Heng， DONG Hao， NI Bi-xue， XU Jian-zhong. Research on Modeling and Simulation of Echo Signal of Pulse Doppler Fuze and Judgment Criterion of Its Impact[J]. Acta Armamentarii, 2016, 37(10): 1820-1827.

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