高温小目标红外辐射特性测量方法 
下载： 906次
Measurement Method of Infrared Radiometric Characteristics for High-Temperature Small Targets
1 中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033
2 中国科学院大学, 北京 100049
图 & 表
图 1. 近距离扩展源法示意图
Fig. 1. Schematic of near-extended-source method
下载图片 查看原文
图 2. 小目标成像示意图。(a)理想成像大小;(b)实际成像大小
Fig. 2. Schematic of small target imaging. (a) Ideal imaging size; (b) actual imaging size
下载图片 查看原文
图 3. 红外小目标处理方法示意图
Fig. 3. Schematic of handling the infrared small target
下载图片 查看原文
图 4. 近距离扩展源法实验装置原理图
Fig. 4. Schematic of experimental setup for near-extended-source method
下载图片 查看原文
图 5. 平行光管法实验装置原理图
Fig. 5. Schematic of experimental setup for collimator method
下载图片 查看原文
图 6. 小目标辐射特性测量原理图
Fig. 6. Schematic of small target radiometric characteristics measurement
下载图片 查看原文
图 7. 红外小目标图像
Fig. 7. Image of infrared small target
下载图片 查看原文
表 1原始定标方程和修正后的定标方程
Table1. Original calibration formulas and corrected calibration formulas
| Transmittance | Integration time /ms | Original calibration formula | Corrected calibration formula |
|---|
| 2% | 1 | y=9.3713x+1380.7414 | y=9.7648x+1380.7414 | | 2 | y=19.4722x+2624.2971 | y=20.2899x+2624.2971 | | 3 | y=29.0939x+3902.1070 | y=30.3156x+3902.107 | | 10% | 1 | y=39.8615x+1204.9488 | y=41.5354x+1204.9488 | | 2 | y=83.3200x+2196.0837 | y=86.8188x+2196.0837 | | 3 | y=124.5257x+3261.3390 | y=129.7548x+3261.339 |
|
查看原文
表 2高温小目标辐射测量结果
Table2. Radiometric measurement results of high temperature small target
| Transmittance | Integrationtime /ms | Tempera-ture /℃ | Measurementvalue oftemperature /℃ | Error oftemperature /% | Radiance /(W·m-2·sr-1) | Measurementvalue ofRadiance /(W·m-2·sr-1) | Error ofradiance /% |
|---|
| 2% | 1 | | 200 | 197 | -1.50 | 75.91874 | 72.8515 | -4.04 | | 300 | 288 | -4.00 | 259.8459 | 228.2612 | -12.16 | | 400 | 394 | -1.50 | 623.2651 | 597.6970 | -4.10 | | 2 | | 200 | 190 | -5.00 | 75.91874 | 65.5042 | -13.72 | | 300 | 280 | -6.67 | 259.8459 | 210.1410 | -19.13 | | 400 | 376 | -6.00 | 623.2651 | 518.6436 | -16.79 | | 3 | | 200 | 192 | -4.00 | 75.91874 | 67.4159 | -11.20 | | 300 | 284 | -5.33 | 259.8459 | 218.9849 | -15.73 | | 400 | 374 | -6.50 | 623.2651 | 511.0230 | -18.01 | | 10% | 1 | | 200 | 192 | -4.00 | 75.91874 | 67.6893 | -10.84 | | 300 | 294 | -2.00 | 259.8459 | 243.5343 | -6.28 | | 400 | 395 | -1.25 | 623.2651 | 599.9909 | -3.73 | | 2 | | 200 | 193 | -3.50 | 75.91874 | 68.5651 | -9.69 | | 300 | 285 | -5.00 | 259.8459 | 222.7334 | -14.28 | | 400 | Saturation | - | 623.2651 | Saturation | - | | 3 | | 200 | 194 | -3.00 | 75.91874 | 69.0497 | -9.05 | | 300 | Saturation | - | 259.8459 | Saturation | - | | 400 | Saturation | - | 623.2651 | Saturation | - |
|
查看原文
田棋杰, 李周, 常松涛, 何锋赟, 乔彦峰. 高温小目标红外辐射特性测量方法[J]. 光学学报, 2017, 37(10): 1012004. Qijie Tian, Zhou Li, Songtao Chang, Fengyun He, Yanfeng Qiao. Measurement Method of Infrared Radiometric Characteristics for High-Temperature Small Targets[J]. Acta Optica Sinica, 2017, 37(10): 1012004.
PDF全文
