小开口级联同步扫描水下激光引信设计与建模

doi:10.12382/bgxb.2021.0711

摘要/Abstract

摘要： 针对目前大开口水下同步扫描激光引信存在空间利用率低和扇形盲区的问题，提出一种小开口、5组扫描单元级联的设计方案，以实现透光窗口的小型化，提高水下激光引信的整体强度和空间利用率。针对该方案采用同步扫描多参数优化设计方法，得到小开口激光引信的最佳扫描频率、最佳脉冲频率与各扫描单元的通光时间。建立弹目在不同交会姿态下的回波能量分布模型，获得最小回波能量及其对应的弹目交会姿态。对典型弹目交会状态进行了计算模拟仿真。仿真结果表明：所提方案在提升可利用空间、解决扇形盲区的同时，满足了弹目在各种交会姿态下的探测需求，为水下同步扫描激光引信的设计提供了参考。

关键词: 激光引信, 小开口级联, 同步扫描, 多参数优化, 双向反射分布函数

Abstract: To overcome the problems of low space utilization and fan-shaped blind areas for existing large-opening underwater synchronous scanning laser fuzes, this paper proposes a design with a small opening and five cascaded scanning units. The new scheme realizes the miniaturization of transparent windows, and improves the overall strength and space utilization of the underwater laser fuze. A multi-parameter optimization design method is proposed to obtain the optimal scanning frequency, pulse frequency, and time duration of each scan for laser fuze detection. An echo energy distribution model for various encounter attitudes between the projectile and target has been established. Thus, both the minimum echo energy and its corresponding encounter attitude can be obtained. Computational simulation has also been performed for the typical encounter state of missiles and targets. The simulation results demonstrate that the fuze design proposed in the article can improve the usable space and eliminate the fan-shaped blind area while meeting the requirements for detecting missiles and targets in various encounter attitudes, providing a reference for the design of underwater synchronous scanning laser fuzes.

Key words: laserfuze, small-openingcascade, synchronousscanning, multi-parameteroptimization, bidirectionalreflectancedistributionfunction

中图分类号:

TJ43⁺9.2

徐光博，查冰婷，郑震，张合. 小开口级联同步扫描水下激光引信设计与建模[J]. 兵工学报, 2022, 43(12): 3162-3171.

XU Guangbo, ZHA Bingting, ZHENG Zhen, ZHANG He. Design and Modeling of Small-Opening Cascade Synchronous Scanning Underwater Laser Fuzes[J]. Acta Armamentarii, 2022, 43(12): 3162-3171.

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