Study on the Performance Improvement of Infrared Indicators for Target Aircraft
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摘要:针对传统靶机用红外指示器在辐射强度、稳定性和持续时间方面存在的不足，对指示器的药剂配方、装药结构和装药密度进行了优化，设计了一种新型红外指示器。通过环境试验和发火试验，验证了新型红外指示器在经受振动、发射冲击和温度冲击后的可靠性，并测试了其红外辐射性能。结果表明：新型红外指示器在中波段（3.6～4.9 μm）的辐射强度达到1 200 W/sr，稳定辐射时间达到120 s，离散度控制在90 W/sr以内，且无团聚物现象，有效模拟了轻型战斗机的红外辐射特征。本研究的优化设计显著提升了靶机用红外指示器的性能，为提高空军部队实弹打靶训练的模拟真实性和安全性提供了技术支持。
Abstract:To address the issues of low radiation intensity, poor radiation stability, and short duration associated with traditional target drone’s infrared indicators, this study conducted a systematic optimization of the indicator's pyrotechnic composition formula, charge structure, and charge density, then a new type of infrared indicator was designed. The reliability of the new infrared indicator was verified after environmental tests and firing test, and its infrared radiation performance was tested. The results show that the new infrared indicator has a radiation intensity of 1 200 W/sr in the medium waveband (3.6 ～4.9 μm), a stable radiation time of 120 s, a dispersion within 90 W/sr, and no agglomeration, which effectively simulates the infrared radiation characteristics of light fighter aircraft. The optimization design in this study significantly enhances the performance of the target drone's infrared indicator, providing technical support for improving the authenticity and safety of live ammunition training for air force units.
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