复杂环境下机载光电系统探测概率包线研究
发布时间：2018-08-13 14:06
【摘要】：针对机载光电系统理论与实际探测能力之间的较大差异及其作战能力发挥不充分等问题,分析得到了目标反射背景辐射的空间分布函数,并给出了具体量化方法,进而研究了目标本征辐射特性,建立了水平和俯仰面内的辐射强度包线模型;之后考虑各种作战因素,给出了机载光电系统角水平和角俯仰探测能力包线计算方程式;最后提出探测概率包线概念,得到了机载光电系统作用距离与探测概率关系,并定量分析了机载光电系统探测包线的概率特性。仿真结果表明,探测包线随目标速度、方位、俯仰的变化而实时变化;当满足一定的虚警概率和信噪比要求时,探测概率包线具有最佳探测点,这为充分发挥机载光电系统探测性能提供了理论参考。
[Abstract]:In view of the large difference between the airborne photoelectric system theory and the actual detection capability and the insufficient display of the combat capability, the spatial distribution function of the reflected background radiation of the target is analyzed, and the specific quantization method is given. Then, the intrinsic radiation characteristics of the target are studied, and the radiation intensity envelope models in the horizontal and pitch plane are established, and the calculation equations of the angle and angle pitching detection capability of airborne optoelectronic system are given considering various operational factors. Finally, the concept of probabilistic envelope is proposed, and the relationship between the range of action of airborne photoelectric system and the detection probability is obtained, and the probabilistic characteristics of the detection envelope of airborne optoelectronic system are quantitatively analyzed. The simulation results show that the detection envelope changes in real time with the change of target velocity, azimuth and pitch, and the detection probability envelope has the best detection point when the false alarm probability and signal-to-noise ratio (SNR) are satisfied. This provides a theoretical reference for giving full play to the detection performance of airborne optoelectronic system.
【作者单位】： 空军工程大学航空航天工程学院;
【基金】：国家自然科学基金(61172083)
【分类号】：V24;V271.4
[Abstract]:In view of the large difference between the airborne photoelectric system theory and the actual detection capability and the insufficient display of the combat capability, the spatial distribution function of the reflected background radiation of the target is analyzed, and the specific quantization method is given. Then, the intrinsic radiation characteristics of the target are studied, and the radiation intensity envelope models in the horizontal and pitch plane are established, and the calculation equations of the angle and angle pitching detection capability of airborne optoelectronic system are given considering various operational factors. Finally, the concept of probabilistic envelope is proposed, and the relationship between the range of action of airborne photoelectric system and the detection probability is obtained, and the probabilistic characteristics of the detection envelope of airborne optoelectronic system are quantitatively analyzed. The simulation results show that the detection envelope changes in real time with the change of target velocity, azimuth and pitch, and the detection probability envelope has the best detection point when the false alarm probability and signal-to-noise ratio (SNR) are satisfied. This provides a theoretical reference for giving full play to the detection performance of airborne optoelectronic system.
【作者单位】： 空军工程大学航空航天工程学院;
【基金】：国家自然科学基金(61172083)
【分类号】：V24;V271.4
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