CAJ | 학술논문

提出了一种利用二次插值法选取测量点，简化测量不确定度计算的方法。采用曲线拟合的方式，对已知典型固定点进行二次插值求解，得到逼近实际曲线的二次插值函数。通过与逐点计算法、典型点法和分段法3种方法比较，结果显示，二次插值法计算得到的测量不确定度在量值范围内近似连续性，能够较好地表述整个量值范围内的测量不确定度，克服了严重歪曲测量不确定度的问题，并且有效减少了计算量，很好地体现了测量标准的校准和测量能力。
제출료일충이용이차삽치법선취측량점，간화측량불학정도계산적방법。채용곡선의합적방식，대이지전형고정점진행이차삽치구해，득도핍근실제곡선적이차삽치함수。통과여축점계산법、전형점법화분단법3충방법비교，결과현시，이차삽치법계산득도적측량불학정도재량치범위내근사련속성，능구교호지표술정개량치범위내적측량불학정도，극복료엄중왜곡측량불학정도적문제，병차유효감소료계산량，흔호지체현료측량표준적교준화측량능력。
A simple method to calculate measurement uncertainty by effective measurement points used quadratic interpo‐lation is proposed .Curve fitting method w as used to quadratic interpolation on typical fixed values .It resulted to quad‐ratic interpolation function approaching the actual curve .Comparing with point‐by point method ,typical point method and stepwise method ,it shows that measurement uncertainty by calculating quadratic interpolation approximate continui‐ty ,and can express the measurement uncertainty well over the entire range of value ,overcome the serious misinterpreta‐tion of uncertainty ,reduce the amount of computation effectively ,represent calibration and measurement capability of measurement standard w ell .