乘波体高超声速导弹的天基红外可探测性分析  

Analysis of space-based infrared detector’s detectability on wave-rider hypersonic missiles

作　　者：田浩[1] 蔡盛[1] 徐伟[1] 曹智睿[1] TIAN Hao;CAI Sheng;XUWei;CAO Zhirui(Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所,长春130033

出　　处：《空天预警研究学报》2023年第5期335-338,343,共5页JOURNAL OF AIR & SPACE EARLY WARNING RESEARCH

基　　金：吉林省科技发展计划项目(20210203151SF)。

摘　　要：以轨道高度1500 km的近地轨道红外探测平台为例,对天基红外在临界探测模式下乘波体高超声速导弹探测性能进行了模型量化分析.首先分析了乘波体高超声速导弹的气动特性和红外辐射特性;然后结合大气传输模型和探测器模型,分析了天基红外临界观测模式下不同极限探测距离和极限信噪比的天基红外乘波体高超声速导弹预警探测能力;最后以美国STSS LEO星座参数为例,对临界探测模式下的模拟成像进行分析,给出在最接近其真实极限信噪比条件下的探测盲区分布.分析结果表明:在临界观测模式下,当探测器的极限信噪比为5时,速度为10Ma、高度为40km的乘波体高超声速导弹逃脱近地轨道天基红外探测的概率高达67%.Taking the low Earth orbit(LEO)infrared detection platform with an orbital altitude of 1500 km as an example,this paper quantitatively analyzes the detection performance of space-based infrared detector for wave-rider hypersonic missile in near space under the edge observation mode.Firstly,both the aerodynamic and infrared radiation characteristics of the wave-rider hypersonic missile are analyzed.Then,combined with atmospheric transmission model and detector’s model,the early warning and detection capability of space-based infrared detector for the wave-rider hypersonic missile under the edge observation mode is analyzed,in the case of different limit detection range and the limit signal-to-noise ratio.Finally,the U.S.STSS LEO constellation parameters are taken as an example to analyze the simulated imaging under the edge observation mode,and is offered the distribution of detection blind zone under the condition closest to the real limit signal-to-noise ratio.The analysis results show that,the probability of the wave-rider hypersonic missile with a velocity of 10 Ma and an altitude of 40 km escaping the LEO space-based infrared detection reaches as high as 67%when the detector's limit signal-to-noise ratio is 5 under the edge observation mode.

关 键 词：乘波体 高超声速 天基红外 探测距离 预警探测 

分 类 号：TN976[电子电信—信号与信息处理]