翻斗式雨量传感器重复性试验统计处理方法

Statistical processing method for repetitive test of tipping bucket rain gauge

测量仪器的重复性是体现测量仪器精密度的主要指标,重复性试验是对翻斗式雨量传感器性能检测的最重要步骤之一,其试验数据的处理在整个检测试验中也是最为复杂的。针对翻斗式雨量传感器精密度检测试验中重复性实验数据的相关统计处理和计算方法,对重复性限这一重要指标的产生及计算方法进行深入地溯源与公式推导,并引用实例对翻斗式雨量传感器重复性试验数据的评定方法做详细阐述。结果表明:使用本方法进行翻斗式雨量传感器精密度检测符合标准,切实可行也十分必要,为提升翻斗式雨量传感器精密度检测工作水平打下基础。

The repeatability of a measuring instrument is the major indexes reflecting the precision of the measuring instrument.Repeatability test is one of the most important steps in the performance detection of the tipping bucket rain gauge.The processing of test data is also the most complicated in the whole test.In this paper,the statistical processing and calculation method of the repetitive experimental data in the precision test of the tipping bucket rain gauge,and a detailed calculation formula for the calculation of the repetitive limit in the precision detection of the tipping bucket rain gauge are provided.And the method of assessing the repetitive test data of the tipping bucket rain gauge is described in detail.The results show that the precision detection of the bucket type rainfall sensor is in accordance with the standard,and is also feasible to lay the foundation for improving the precision of the tipping bucket rain gauge.