| 自动气象站气压传感器现场校准方法 |
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| 引用本文： | 罗淇,朱乐坤,高林,房岩松.自动气象站气压传感器现场校准方法[J].气象科技,2008,36(4):499-501. |
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| 作者姓名： | 罗淇 朱乐坤 高林 房岩松 |
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| 作者单位： | 1. 山东省气象局大气探测技术保障中心,济南,250031
2. 中国气象局大气探测技术中心,北京,100081 |
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| 摘 要： | 为保证自动气象站现场校准气压传感器具有可比性,了解气压标准器的温度特性,在常压下模拟不同环境温度对气压标准器进行了实验.利用2005～2007年山东省现场校准资料,采用对比方法分析了气压校准误差的变化趋势.结果表明:无论温度的升高或降低,气压标准器的显示数值都有增大的趋势,从而产生0.10～0.28 hPa的附加误差,造成对气压传感器计量性能的误判.研究新的校准方法,减小或消除附加误差对气压校准结果的影响.在实际运用中切实可行.
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| 关 键 词： | 自动站 气压传感器 校准 附加误差 |
| 收稿时间： | 2007/12/3 0:00:00 |
| 修稿时间： | 3/3/2008 12:00:00 AM |
Field Calibration Method of Pressure Sensors for AWS |
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| Luo Qi,Zhu Lekun,Gao Lin and Fang Yansong.Field Calibration Method of Pressure Sensors for AWS[J].Meteorological Science and Technology,2008,36(4):499-501. |
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| Authors: | Luo Qi Zhu Lekun Gao Lin and Fang Yansong |
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| Abstract: | In order to ensure the comparability of AWS pressure sensors for in site calibration and understand the temperature characteristics of standard pressure measuring instruments, experiments were conducted at different environmental temperatures and normal pressure. Based on the calibration data in Shandong Province from 2005 to 2007, the tendency of pressure calibration errors is analyzed with the contrast method. The results show that regardless of increase or decrease of the temperature, the display values exhibited a growing trend, with the additive errors being 0.10 to 0.28 hPa, resulting in misjudgment on the performance of pressure sensors. The new calibration method proved practical in practice and can reduce or eliminate the impact of additive errors in pressure calibration results. |
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