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长春光学精密机械与物... [2]
高能物理研究所 [2]
力学研究所 [1]
新疆生态与地理研究所 [1]
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Performance test of steel tube enclosed thermistors in air temperature measurements (EI CONFERENCE)
会议论文
OAI收割
3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011, January 6, 2011 - January 7, 2011, Shanghai, China
作者:
Yang H.
;
Yan F.
;
Yan F.
;
Peng J.
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  |  
浏览/下载:32/0
  |  
提交时间:2013/03/25
The performances of two steel tube enclosed precision thermistors are tested in a well controlled air environment to determine if the thermistors have enough accuracy for 0.01C levels of air temperature gradient measurement. Three Fluke's 5641 and three 5610 thermistors were tested for 24 hours in Fluke's 7008 calibration bath in the first step. In the second step
the performances of these two thermistors in steady state and transient state air temperature environments were tested for 8 hours separately. The results illustrate that
two of the 5641s were airproofed in a temperature well controlled tube
when steel tube enclosed precision thermistors are used in air temperature measurement
there are unstable departures from each other with a maximum 8.8 mC in constant air medium and 27 mC in temperature changing air medium. The transient-time errors are too large to show the true amounts of temperature changes for air temperature measurement. 2011 IEEE.
Research on the laboratory radiometric calibration of the thermal imager (EI CONFERENCE)
会议论文
OAI收割
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
作者:
Wang J.
;
Liu Y.
;
Liu Y.
;
Liu Y.
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  |  
浏览/下载:27/0
  |  
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.
Measurements of soil water content using time domain reflectometry sensor and water vapor in surface soil at the gobi site in the Taklimakan Desert
期刊论文
OAI收割
JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN, 2005, 卷号: 83, 期号: 6, 页码: 987-999
Ishizuka
;
M
;
Mikami
;
Zeng
;
FJ
;
Gao
;
WD
;
Yamada
;
Y
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  |  
浏览/下载:15/0
  |  
提交时间:2011/08/19
DIELECTRIC-CONSTANT
ELECTRICAL-CONDUCTIVITY
MOISTURE
CALIBRATION
SATURATION
PROBES
Research on the BES offline calibration data management system
期刊论文
OAI收割
HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION, 2004, 卷号: 28, 期号: 6, 页码: 629-633
作者:
Zhang XM(张晓梅)
;
Ma QM(马秋梅)
;
Mao ZP(毛泽普)
;
Zhang, XM
;
Ma, QM
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  |  
浏览/下载:18/0
  |  
提交时间:2016/06/28
BES
offline data management
calibration constant
database
A new expression of hardening coefficients for fcc-crystal and calibration of the material constants
期刊论文
OAI收割
Science in China Series A-Mathematics Physics Astronomy & Technological Sciences, 1995, 卷号: 38, 期号: 8, 页码: 945-953
作者:
Liang NG(梁乃刚)
;
Xu T(徐彤)
;
WangZQ(王自强)
收藏
  |  
浏览/下载:1595/65
  |  
提交时间:2009/08/03
Latent Hardening
Hardening Law
Material Constant Calibration
A STUDY ON STANDARDIZATION OF FISSION-TRACK DATING
期刊论文
OAI收割
NUCLEAR TRACKS AND RADIATION MEASUREMENTS, 1993, 卷号: 22, 期号: 1-4, 页码: 843-846
作者:
Wang SC(王世成)
;
Kang TS(康铁生)
;
WANG, SC
;
KANG, TS
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  |  
浏览/下载:17/0
  |  
提交时间:2016/06/28
URANIUM DOSIMETER GLASS
AGE STANDARD
ZETA CALIBRATION CONSTANT