Error correct formulae of low signal to noise ratios measurement are derived on a spectrum analyzer, the experiment results are reported to verify the correctness of theory calculation.
导出了频谱仪测量低信噪比时的误差修正公式，并用实验结果验证了理论计算的正确性。
This paper discusses the cause of keyway symmetry error produced and test method and approaches to related calculating formulae.
论述了键槽对称度误差的产生原因以及检测方法，并对有关计算公式进行了探讨。
This paper deduces elevation error estimating formulae of the satellite photogrammetry, which is concerned with elements of exterior orientation that measured by spaceborne sensors.
本文推导了星载测定外方位元素参与下，无地面控制点卫星摄影测量高程误差估算公式。
This paper discussed emphatically various error factors affecting upon quadrature phase discrimnination circuit. Formulae and results are given in the paper.
本文重点讨论影响正交鉴相电路鉴相精度的各种误差因素，给出了计算公式和计算结果。
However, there is a severe problem on calculating error propagation in Tong Fu s formulae in the case of relatively small inclination.
然而，当倾角较小时，童付的公式存在严重的计算误差传递。
This paper puts forward some practical formulae of measuring the area and arc length of arch form, and analyses the relative error of these formulae.
文章提出弓形面积和弧长计量的实用公式，并分析了该公式的相对误差。
According to the homogeneity test for error variance on total-effect random model with three factors in double repeated experiment, the specific formulae of test statistics and test rule are deduced.
研究两次重复试验三因子全效应随机模型误差方差的齐性检验问题，推导了检验统计量和检验规则的具体表达式。
New proposal is raised for application and individual coefficient of some formulae when the error is smaller.
在误差较小时，对某些公式的应用范围和个别系数提出了新的建议。
Then the formulae in Section 8.5.6.1 Standard error for absolute (difference) measures can be used.
然后，就可以使用8.5.6.1部分的绝对度量(差值)的标准误的公式。
Then the formulae in Section 8.5.6.1 Standard error for absolute (difference) measures can be used.
然后，就可以使用8.5.6.1部分的绝对度量(差值)的标准误的公式。
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