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摘要:
针对多因素下的隐身飞机敏感性评估问题，对典型作战场景中隐身飞机敏感性影响因素进行了组合分析研究。首先，建立了基于任务周期的敏感性计算模型；其次，对雷达、红外、射频（RF）和电子干扰等方面敏感性参数进行分析，构建不同因素的计算模型；最后，开展了不同隐身构型下隐身飞机敏感性影响因素的仿真实验。结果表明：多种手段的组合使用可以有效降低隐身飞机敏感性，并在一定参数范围内得到多因素组合下敏感性的影响程度。研究结果对隐身飞机敏感性减缩及方案的设计和改进具有一定参考意义。
Abstract:For the assessment of stealth aircraft susceptibiliiy under the influence of multiple factors, the combined analysis of the factors in typical combat scenarios is conducted. Firstly, the susceptibility model based on task cycle is established. Secondly, the susceptibility parameters such as radar, infrared, radio frequency (RF) and electronic jamming are analyzed and the calculation models of different factors are established. Finally, the simulation of influencing factors under different stealth configurations are carried out. The results indicate that the combination of multiple methods can effectively reduce the susceptibility of stealth aircraft, and then the influence degree of susceptibility under multi-factor coupling is analyzed within a certain parameter range. The proposed results are valuable for both susceptibility reduction of aircraft in service and design of new aircraft susceptibility scheme.
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Key words:
- stealth aircraft /
- susceptibility /
- radar /
- infrared /
- radio frequency (RF)
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图 3 单雷达探测器下隐身飞机敏感性分析
Figure 3. Susceptibility analysis of stealth aircraft for single radar detector
图 4 单红外探测器下隐身飞机敏感性分析
Figure 4. Susceptibility analysis of stealth aircraft for single infrared detector
图 5 单射频探测器下隐身飞机敏感性分析
Figure 5. Susceptibility analysis of stealth aircraft for single RF detector
图 6 不同手段下隐身飞机敏感性分析
Figure 6. Susceptibility analysis of stealth aircraft for different methods
表 1 雷达探测器参数
Table 1. Parameters of radar detector
参数 数值 Pt/W 2 000 Bn/MHz 2 Fn/dB 3 Pfa 10-6 λ/cm 6 Gt=Gr/dB 45 Ls 1 Gj/dB 10 Δf/MHz 3 Δfj/MHz 6 
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表 3 射频探测器和机载雷达参数
Table 3. Parameters of RF detector and airborne radar
参数 数值 Gi/dB 1 Pfa 10-6 σ/dB 2 TI/s 2 Fn 3 Pt/W 1 500 GIP 2 BRj/MHz 2 B/MHz 3 Ls 1
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