Table 7 Inversion results of atmospheric transmittance after modification when IT = 0.5 ms
From: The research about radiometric technology of two-dimensional rotary table based on image gray level
The target distance | Atmospheric transmittance | The target temperature (°C) | Target measurement | Target radiance | Inverse radiance | The inversion error | |||
|---|---|---|---|---|---|---|---|---|---|
MODTRAN | Corrected transmittance | MODTRAN inversion radial brightness | Corrected inversion radial brightness | MODTRAN inversion error (%) | The revised inversion error (%) | ||||
200 m | 0.872 | 0.826 | 44 | 2144 | 2.274 | 2.211 | 2.313 | 3.2 | 1.7 |
41 | 2471 | 2.771 | 2.729 | 2.773 | 1.7 | 3.4 | |||
71 | 3197 | 3.733 | 3.421 | 3.711 | 3.1 | 1.9 | |||
74 | 3479 | 4.219 | 4.147 | 4.274 | 3.7 | 1.3 | |||
300 m | 0.832 | 0.806 | 44 | 2111 | 2.274 | 2.141 | 2.241 | 4.9 | 1.1 |
41 | 2342 | 2.771 | 2.491 | 2.719 | 7.7 | 2.1 | |||
71 | 2931 | 3.733 | 3.331 | 3.411 | 9.3 | 3.7 | |||
74 | 3274 | 4.219 | 3.931 | 4.127 | 9.1 | 4.3 | |||
400 m | 0.829 | 0.783 | 44 | 2121 | 2.274 | 1.997 | 2.199 | 12.7 | 9.2 |
41 | 2243 | 2.771 | 2.337 | 2.444 | 12.4 | 9.1 | |||
71 | 2921 | 3.733 | 3.197 | 3.341 | 12.3 | 7.9 | |||
74 | 3173 | 4.219 | 3.711 | 3.999 | 12.1 | 7.7 | |||