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| Analysis on the data of a new sunshine sensor |
| Shi Jingchuan1,2,Liu Jun2,Wang Jianjia2 |
1.Chengdu University of Information Technology,Chengdu 610225;
2.Huayun Meteorological Science and Technology Corporation of China,Beijing 100081 |
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Abstract In order to test new heliograph prototype based on the principle of integrating sphere,this paper gives a curve fitting and comparative analysis of the second data measured by integrating sphere heliograph and two-axis tracking radiation table in three special weather conditions.The sunshine duration measured by integrating sphere heliograph and two-axis tracking radiation table is statistical analyzed.The results show that there are differences of sunshine duration measured by integrating sphere heliograph and two-axis tracking radiation table in different weather conditions.When there are clouds,good visibility in sunny day and stronger solar radiation,the irradiance measured by two-axis tracking radiation table is bigger than the the irradiance measured by integrating sphere heliograph because of the difference of sensitivity.On the whole,there is a good correlation and consistent trend for integrating sphere heliograph and two-axis tracking radiation table from the correlation and statistical analysis.
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Received: 08 January 2014
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2015, Vol. 32 
