Test of Infrared Radiation Characteristics of Aircraft and Study on Launch Strategy for Infrared Decoy Flare
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摘要: 通过研究飞机的红外辐射特征,为干扰弹投放策略提供参考,采用光谱辐射计、中波热像仪、长波热像仪对飞机的静态红外辐射特性进行测试,选择迎头(0°)、正侧向(90°)、尾后(180°)共3个测试点,测试结果表明:迎头红外辐射强度和辐射面积均最小,尾后红外辐射强度最大,辐射面积较小,正侧向红外辐射面积最大,辐射强度较大。根据测试结果分析了飞机面临不同方向来袭导弹攻击时,红外干扰弹的投放使用策略。尾后攻击时,采用多点源和面源红外干扰弹;侧向攻击时,采用面源红外干扰弹;引头攻击时,采用多点源、面源红外干扰弹。Abstract: This study aims to investigate the infrared radiation characteristics of aircraft and provide a reference for the launch strategy for infrared decoy flares. A spectral radiometer, middle infrared thermal imager, and far infrared thermal imager were used to test the static infrared radiation performance of an aircraft. Three test points were selected: the head, positive side, and tail. The test results showed the following: (1) at the radiation intensity and radiation area of the head were the smallest; (2) the infrared radiation intensity of the tail was the largest; (3)the radiation area of the tail was small; (4) the infrared radiation area of the positive side was the largest; and (5) the radiation intensity of the positive side was large. Based on to the test results, the strategy for infrared decoy flares was analyzed. Multi-point and area infrared decoy flares are used for stern attacks; area infrared decoy flares are used for lateral attacks; and multi-point and area infrared decoy flares are used for head-on attacks.
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Key words:
- infrared radiation of aircraft /
- infrared decoy flare /
- launch strategy
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表 1 飞机红外辐射特征测试结果汇总
Table 1. Summary of aircraft radiation characteristics test results
Test direction and angle Wave length Radiation intensity/(W/Sr) Radiation area/m2 Head-on 0° 3 to 5 μm 50.00 3.68 8 to 14 μm 50.00 5.40 Lateral 90° 3 to 5 μm 68.00 25.90 8 to 14 μm 150.00 12.53 Stern 180° 3 to 5 μm 140.00 8.85 8 to 14 μm 80.00 1.05 -
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