Furthermore, the variety characteristics according to the atmospheric refraction, deduce to square-error's calculated formula of atmospheric refraction coefficient, analyze the main influence factor to affect measuring accuracy of atmospheric refraction coefficient.
再者，根据大气折光的变化特点，导出大气折光系数中误差的计算公式，分析影响大气折光系数测定精度的主要因素。
参考来源 - 大跨径桥梁施工控制精密三维坐标定位方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Well, we could try to minimize a square error like we did before.
我们可以试着最小化这个平方误差。
However, two-stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error.
对应于方差参数这两种估计的回归系数的两种两步估计，它们的均方误差大致相当。
It is noted that the minimum mean square error (MMSE) detector often loses phase to lock a desired signal when the desired signal dips into a deep fade.
在实际通信系统中当信号处于深衰落时，最小均方误差(MMSE)检测器经常失去对信号的相位跟踪。
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