摘要
为了评估气动加热效应对红外成像型导弹产生的影响,通过理论分析导弹飞行过程中受到的气动加热变化规律,并研究实验室和大型试验测试数据,首次引入气动热效应建模流程并采用正态分布等方法建立了虚拟样机仿真模型,模拟导弹飞行过程中整流罩受到的气动热辐射与红外图像的变化过程,经过数字仿真、半实物仿真和大型试验验证,证明该方法建立的模型与实际情况相吻合,可以用来评估气动加热效应对产品性能造成的影响,进行信息处理算法改进。
In order to assess the impact of aerodynamic heating effect of infrared imaging missile, through theoretical analysis of the variation of the missile during flight by aerodynamic heating, and research laboratories and large-scale pilot test data, pneumatic thermal effects modeling process and the normaldistribution method was first introduced to create a virtual prototype simulation model. Using the normal distribution, missile during flight rectifierhood by pneumatic thermal radiation and infrared images from the change process was simulated. Through digital simulation loop simulation and large-scale experimental verification, the method to establish the model was proved to be consistent with the actual situation. It can be used to assess the impact of aerodynamic heating effect on product performance information processing algorithms improvement.
出处
《红外与激光工程》
EI
CSCD
北大核心
2013年第8期1951-1955,共5页
Infrared and Laser Engineering
关键词
气动加热
红外图像
建模
仿真
aerodynamic heating
infrared image
modeling
simulation
