復雜環(huán)境下機載光電系統(tǒng)探測概率包線研究
發(fā)布時間：2018-08-13 14:06
【摘要】：針對機載光電系統(tǒng)理論與實際探測能力之間的較大差異及其作戰(zhàn)能力發(fā)揮不充分等問題,分析得到了目標反射背景輻射的空間分布函數(shù),并給出了具體量化方法,進而研究了目標本征輻射特性,建立了水平和俯仰面內(nèi)的輻射強度包線模型;之后考慮各種作戰(zhàn)因素,給出了機載光電系統(tǒng)角水平和角俯仰探測能力包線計算方程式;最后提出探測概率包線概念,得到了機載光電系統(tǒng)作用距離與探測概率關系,并定量分析了機載光電系統(tǒng)探測包線的概率特性。仿真結果表明,探測包線隨目標速度、方位、俯仰的變化而實時變化;當滿足一定的虛警概率和信噪比要求時,探測概率包線具有最佳探測點,這為充分發(fā)揮機載光電系統(tǒng)探測性能提供了理論參考。
[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.
【作者單位】： 空軍工程大學航空航天工程學院;
【基金】：國家自然科學基金(61172083)
【分類號】：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.
【作者單位】： 空軍工程大學航空航天工程學院;
【基金】：國家自然科學基金(61172083)
【分類號】：V24;V271.4
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