不确定度计算公式.xls

测量次数n测量值Xi（mV）残差Xi-Xi残差平方(Xi-Xi)2 129.9950-0.000441.936000E-07 229.99580.000361.296000E-07 329.9954-0.000041.600000E-09 429.99550.000063.600000E-09 529.9954-0.000041.600000E-09 629.9953-0.000141.960000E-08 729.99560.000162.560000E-08 829.99560.000162.560000E-08 929.99560.000162.560000E-08 1029.9952-0.000245.760000E-08 求和299.95440.000004.840000E-07 平均值 单次实验标准差S(X) 算术平均值的实验标准差S(X) A类标准不确定度u(X) 量程SN（mV）100包含因子k1.732050808 最大允许误差的区间半宽a1 B类标准不确定度u(X0) 相对不确定度u(X0)/u(X0) 自由度19自由度250 灵敏度c(X)1灵敏度c(X0)-1 合成标准不确定度uc 有效自由度eff 置信概率p0.95t分布值tp()2.01 扩展不确定度U95 相对误差的不确定度0 0.000375265 0.10 0.000382363 53.45861214 0.000768549 0.000007685 不确定度评定实验标准差计算 29.99544 0.0002319 0.00007333 0.00007333 0.000649977 测量次数n测量值Xi（mA）残差Xi-Xi残差平方(Xi-Xi)2 158154.9-401.360001.610898E+05 258568.312.040001.449616E+02 359119.5563.240003.172393E+05 458223.8-332.460001.105297E+05 558361.6-194.660003.789252E+04 658499.4-56.860003.233060E+03 758912.8356.540001.271208E+05 859119.5563.240003.172393E+05 957499.3-1056.960001.117164E+06 1059103.5547.240002.994716E+05 求和585,562.600 0.000002.491125E+06 平均值 单次实验标准差S(X) 算术平均值的实验标准差S(X) A类标准不确定度u(X) 量程SN（mm）10包含因子k1.732 最大允许误差的区间半宽a1 B类标准不确定度u(X0) 相对不确定度u(X0)/u(X0) 自由度19自由度250 灵敏度c(X)1灵敏度c(X0)1 合成标准不确定度uc 有效自由度eff 置信概率p0.95t分布值tp()2.01 扩展不确定度U95 相对误差的不确定度0 0.0002309469 0.10 526.1099868110 9 1057.481073 105.748107349 不确定度评定实验标准差计算 58556.2600 526.1099868 166.37058581 526.10998681 0.0004000000 68.2790959595.459999.73 11.846.3112.7112.7113.9763.66235.80 21.322.924.304.304.539.9219.21 31.202.353.183.315.849.22 41.142.132.782.874.606.62 51.112.022.572.654.035.51 61.091.942.452.523.714.90 71.081.892.362.433.504.53 81.071.862.312.373.364.28 91.061.832.262.323.254.09 101.051.812.232.283.173.96 111.051.802.202.253.113.85 121.041.782.182.233.053.76 131.041.772.162.213.013.69 141.041.762.142.202.983.64 151.031.752.132.182.953.59 161.031.752.122.172.923.54 171.031.742.112.162.903.51 181.031.732.102.152.883.48 191.031.732.092.142.863.45 201.031.722.092.132.853.42 251.021.712.062.112.793.33 301.021.702.042.092.753.27 351.011.702.032.072.723.23 401.011.682.022.062.703.20 451.011.682.012.062.693.18 501.011.682.012.052.683.16 1001.0051.6601.9842.0252.6263.077 1.0001.6451.9602.0002.5763.000