喷气式飞机红外辐射仿真计算

Calculation and Simulation of Infrared Radiation about Some Jet Aircraft

目标红外辐射是武装直升机前视红外吊舱或者光电雷达实施无源探测的主要依据。在对喷气式飞机红外辐射源进行特性分析的基础上,总结提出针对喷气式飞机的发动机辐射、尾流辐射和蒙皮辐射的工程算法。利用Visual C++与Matlab编写工程化计算程序,对不同温度、距离和观测角度条件下的喷气式飞机红外辐射量进行仿真计算。仿真结果表明该算法快速有效,并且能够满足工程实际需求。

Target infrared radiation is the main basis of passive detecting of forward looking infrared pod and photo-electric radar installed on armed helicopters. Based on the characteristic analysis of infrared radiation sources on jet aircraft, an engineering calculation algorithm was proposed to calculate the infrared radiation about jet engine, tail flame, and aircraft skin of jet aircraft. Using Visual C＋＋ and Matlab, the infrared radiation calculation algorithm was programmed into a procedure. And the infrared radiation of some jet aircraft under conditions of different temperatures, different distances and different detection angles was simulated. Simulation result indicates that the calculation algorithm is fast and valid, and it can meet the engineering actual need.