Abstract
The signature of spacecraft such as satellite consists of reflection to outer light sources and infrared emission by itself. The simulation of object signature based on first principle conform the following steps. First, spatial displacement and velocity vectors of satellite are resumed by solving its kinetic equations. Second, outer radiant heat flux is calculated according to relative orientations between satellite, sun and earth. Third, temperature field of satellite surface is obtained through simulation of thermal analysis. Radiation Intensity of its reflection and emission are then modeled in the light of theory of bidirectional reflectance distribution function (BRDF). In the last, the Characteristics of satellite simulative Infrared signatures are analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 229-234 |
| Number of pages | 6 |
| Journal | Yuhang Xuebao/Journal of Astronautics |
| Volume | 30 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2009 |
Keywords
- BRDF
- Infrared
- Satellite
- Signature
- Simulation
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