湿热地区棚下微光像增强器亮度增益预测模型研究

李承刚; 曾邦泽; 刘剑; 杨玉萍; 肖建军; 李叶涵; 杨品杰; 赵远荣

doi:10.7643/ issn.1672-9242.2026.02.017

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装备环境工程 ›› 2026, Vol. 23 ›› Issue (2) : 147-153. DOI: 10.7643/ issn.1672-9242.2026.02.017

环境试验与观测

湿热地区棚下微光像增强器亮度增益预测模型研究

李承刚^1,2,3, 曾邦泽^1,2,3, 刘剑^1,2,3, 杨玉萍^1,2,3, 肖建军^1,2,3, 李叶涵^1,2,3, 杨品杰^1,2,3, 赵远荣^1,2,3

作者信息 +

Luminance Gain Prediction Model of Low-light-level Image Intensifier in Humid and Hot Environment

LI Chenggang^1,2,3, ZENG Bangze^1,2,3, LIU Jian^1,2,3, YANG Yuping^1,2,3, XIAO Jianjun^1,2,3, LI Yehan^1,2,3, YANG Pinjie^1,2,3, ZHAO Yuanrong^1,2,3

Author information +

文章历史 +

摘要

目的在考虑温度和湿度2项环境因素的情况下,预测微光像增强器的亮度增益随试验时间的变化。方法以ϕ18 mm配装GaAs光电阴极和离子阻挡膜的微光像增强器为研究对象,在云南西双版纳开展27个月棚下大气暴露试验,参照GJB 8893.3—2017、GJB 2000A—2020等军用标准,跟踪测试不同周期的亮度增益。基于试验数据,在指数衰退模型基础上,结合高斯模型构建指数-高斯衰退模型,并引入温度和相对湿度进行残差修正。结果发现其性能退化呈现“初期快速衰退-中后期波动性回升”特征,模型拟合优度R²≥ 0.903,预测精度达94.526%。寿命预测显示,该像增强器在湿热地区棚下贮存寿命超过4.75 a。结论所建模型能在一定程度上描述湿热地区棚下微光像增强器的性能退化过程,揭示了湿热地区棚下环境对其性能的影响规律,可为该器件的可靠性评估、寿命预测及正向设计提供一定的思路和理论支持。

Abstract

The work aims to predict the variation of brightness gain of low-level light intensifiers with test time considering two environmental factors: temperature and humidity. Taking the ϕ18 mm low-light-level intensifier equipped with GaAs photocathode and ion barrier film as the research object, a 27-month atmospheric exposure test was conducted under sheds in Xishuangbanna, Yunnan. Referring to relevant military standards (GJB 8893.3-2017 and GJB 2000A-2020), the brightness gain at different cycles was tracked and tested. Based on experimental data, an Exponential-Gaussian decay model was constructed by combining the exponential decay model with the Gaussian model, and temperature and relative humidity were introduced for residual correction. The results showed that its performance degradation exhibited the characteristic of “rapid degradation in the initial stage-fluctuating recovery in the middle and late stages”, with model goodness of fit R²≥0.903, and a prediction accuracy of 94.526%. Life prediction indicated that the storage life of this intensifier exceeded 4.75 years in hot and humid environments. The established model can accurately describe the performance degradation process of low-level light intensifiers in hot and humid environments, revealing the influence law of humid and hot environments on their performance. It can provide theoretical support for reliability assessment, life prediction, and forward design of this device.

导出引用

李承刚, 曾邦泽, 刘剑, 杨玉萍, 肖建军, 李叶涵, 杨品杰, 赵远荣. 湿热地区棚下微光像增强器亮度增益预测模型研究[J]. 装备环境工程. 2026, 23(2): 147-153 https://doi.org/10.7643/ issn.1672-9242.2026.02.017

LI Chenggang, ZENG Bangze, LIU Jian, YANG Yuping, XIAO Jianjun, LI Yehan, YANG Pinjie, ZHAO Yuanrong. Luminance Gain Prediction Model of Low-light-level Image Intensifier in Humid and Hot Environment[J]. Equipment Environmental Engineering. 2026, 23(2): 147-153 https://doi.org/10.7643/ issn.1672-9242.2026.02.017

中图分类号： TJ06

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