IR-UWB引信复杂地面回波特性研究

International Conference on Optoelectronic Information and Computer Engineering (OICE) Pub Date : 2023-08-01 DOI:10.1117/12.2691405

Yanbin Liang, Shijun Hao, Chun-hong Liu, Jun Hou, Ling Tie

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引用次数: 0

摘要

研究复杂地面条件对脉冲无线电超宽带(IR-UWB)近距离引信回波特性的影响是重要的研究课题。本文采用蒙特卡罗方法建立了混合介质地面的数学模型来表示复杂地面，并基于单位分解法建立了时域信号散射模型。利用该模型研究了复杂地面回波信号与单一介质地面回波信号的相关性，并用小波时频变换对复杂地面回波信号进行了分析。仿真结果表明，与单一介质地相比，复合地主要影响回波信号的峰值幅度，对峰值位置影响不大。仿真分析为红外-超宽带引信在复杂地面条件下的测距控制提供了理论依据。

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Study on complex ground echo characteristics of IR-UWB fuze

Researching the effect of complex ground on the echo characteristics is important for impulse-radio ultra-wideband (IR-UWB) proximity fuze. In this paper, the mathematical model of mixed medium ground is established by Monte Carlo method to represent complex ground, and the time-domain signal scattering model is established based on the unit decomposition method. The correlation between echo signals of complex ground and single medium ground is studied by using this model, and the complex ground echo signal is analyzed by wavelet time-frequency transform. The simulation results show that, compared with the single medium ground, the complex ground mainly affects the peak amplitude of the echo signal, and has little influence on the peak position. The simulation and analysis provide a 1 theoretical basis for the ranging control of the IR-UWB fuze on the complex ground.

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International Conference on Optoelectronic Information and Computer Engineering (OICE)

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