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长春光学精密机械与物... [5]
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会议论文 [5]
发表日期
2010 [5]
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发表日期:2010
内容类型:会议论文
专题:长春光学精密机械与物理研究所
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System design on a field emission with phosphor detection (EI CONFERENCE)
会议论文
2009 International Symposium on Liquid Crystal Science and Technology, August 2, 2009 - August 5, 2009, Kunming, China
An J.
;
Deng C.
;
Li Y.
;
Sun T.
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浏览/下载:14/0
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提交时间:2013/03/25
It is well-known that the phosphor is widely used for the field emission display (FED)
and its luminescent and temperature properties are very important for the effect of display. In this paper
we propose a measurement scheme for the phosphor
and design a test-equipment to test the luminescent and temperature properties of phosphor. Furthermore
the equipment can also be used for the life-test of the phosphor because it can generate a great excitation power. Finally
there are design principle
structure and some data and result which we obtained in the experiment. These data will be very useful for the design of FED. (2010) Trans Tech Publications.
Research on the laboratory radiometric calibration of the thermal imager (EI CONFERENCE)
会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, April 26, 2010 - April 29, 2010, Dalian, China
Lu Z.
;
Sun Q.
;
Wang J.
;
Lu Z.
;
Liu Y.
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浏览/下载:17/0
  |  
提交时间:2013/03/25
The radiometric calibration of the thermal imager was investigated to build the relationship between the input radiance and the digital output to realize the temperature measurement. The radiometric calibration was implemented in the State Key Laboratory of Applied Optics. A standard black body source was served as radiation source. The response of the thermal imager to the input radiance was tested for different gains. The experimental results show that the average grey level of the output imaging is linear dependence of the input radiance. Because the radiance in the receiving wave range of the thermal imager is linear with the black body's temperature based on Planck's law of radiation
the average grey level of the output image is also linear with the black body's temperature after fitting a curve to the experiment data points. Then the relationship of the response and the gain was studied when the black body's temperature kept constant. The preliminary analysis of calibration data shows that the response of the thermal imager is linear and the average grey value of the image is directly proportion to the gain. According to the experimental results
the reference gains and the dynamic range of temperature measurement were obtained. Finally
the uncertainty influencing the calibration results was analyzed
the analysis shows the maximal uncertainty is 5.2%
which can meet the calibration requirement less than 10%. 2010 Copyright SPIE - The International Society for Optical Engineering.
Dynamic data fixing for IR target radiation characteristics (EI CONFERENCE)
会议论文
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Lihua C.
;
Juan C.
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浏览/下载:21/0
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提交时间:2013/03/25
The main methods to measure the target IR features are the following two ways: test and then measurement
or theoretical and simulation calculation. The former is direct measurement so the results are more accurate but the test is costly and complicated
so that it is limited in the application. Theoretical and simulation calculation are widely used in the target IR radiation calibration. Here we give the basic configuration of the calibration platform for measuring the IR radiation of the large area low temperature blackbody source
and discuss the calibration flowchart and key technologies for atmospheric transmission correction. The dynamic data are analyzed in real time to determine the IR radiation features in the data fusion subsystem
and the experimental results show that the calibration method is feasible and practical. 2010 IEEE.
Ground-based measurement of the space object temperature (EI CONFERENCE)
会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, April 26, 2010 - April 29, 2010, Dalian, China
Wang G.-Q.
;
Wu Y.-H.
;
Wang J.-L.
;
Zhao J.-Y.
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浏览/下载:37/0
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提交时间:2013/03/25
Multi-band IR data of the space object can be used in the fields of object identification and space surveillance. The radiation characteristics of the object can be obtained by analyzing these data. These characteristics include temperature
area
emissivity
absorptivity
reflectivity
and temporal trends. The infrared radiation temperature of the space object is an important characteristic from which the object's working state in orbit can be judged. We apply the method of measuring the spectral distribution of the object and fit the data to the Planck formula to determine the temperature. In order to improve the precision of measuring temperature on the space object
we optimize the centric wavelength and the bandwidth effectively. Also
we use a simple program to implement temperature measurement. 2010 Copyright SPIE - The International Society for Optical Engineering.
Prediction model of molten iron endpoint temperature in AOD furnace based on RBF neural network (EI CONFERENCE)
会议论文
2010 International Conference on Logistics Systems and Intelligent Management, ICLSIM 2010, January 9, 2010 - January 10, 2010, Harbin, China
Ma H.-T.
;
You W.
;
Chen T.
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浏览/下载:20/0
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提交时间:2013/03/25
According to Jilin Ferroalloy Factory 10-ton AOD furnace actual smelting condition
analyzes the impact factor of AOD furnace molten iron endpoint temperature
by optimizing the neural network connection weights and structure
design prediction model of molten iron endpoint temperature based on RBF neural network
using LM algorithm and 50 furnaces actual production data to train the model
and predicts another 50 furnaces molten iron temperature
Result shows that prediction model of molten iron endpoint temperature based on RBF neural network has a high accuracy
when the error of endpoint temperature is 12 C
hit rate of temperature is 82.4%. 2010 IEEE.
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