The weighting factor aggregate of influence factors is determined by means of optimization.
用优化方法确定了影响因素的权重因子集合；
Therefore, the absolute magnitude of the error pattern can be represented by the extra sum of squares using the weighting factor.
因此，绝对程度的误差模式可以通过多平方用加权因子代替。
An improved positioning method of piecewise code smoothing is introduced, which freezes the weighting factor in the process of computation to keep the weight of current observations.
提出了改进的相位平滑伪距定位方法，整个平滑过程是分段进行的，而且当平滑进行到一定程度时，将加权因子冻结，以保持当前观测值的权重。
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