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西方专家正在继续从技术上和结构上采取综合措施,降低目标被探测装置发现的概率。为了降低飞机被探测的概率,就要力图减小雷达反射能量。目标反射能力由它的有效散射截面表征。问题的关键是要最大限度地减小有效散射截面。改变那些在雷达照射时起角反射器作用的部件的结构是减小有效散射截面的主要途径之一,发动机进气道、轰炸机的发动机的固定接头、机体垂直表面、外挂的武器等均属于这种部件。
Western experts are continuing to take a combination of technical and structural measures that reduce the probability of targets being detected by probing devices. In order to reduce the probability of an aircraft being detected, efforts should be made to reduce the reflected energy of the radar. The target’s reflectivity is characterized by its effective scattering cross-section. The crux of the problem is to minimize the effective scattering cross section. One of the main ways to reduce the effective scattering cross-section is to change the structure of the components that act as corner reflectors when the radar is irradiated. The engine inlet, the fixed joint of the bomber’s engine, the vertical surface of the body, the attached weapon belong to this Kind of parts.