The model uncertainties or model errors also can be considered through some fictitious observation equations.
模型的不确定性(模型误差)是通过建立的虚拟观测方程来考虑的。
On the successive adjustment, the deduction of the second solution formulas is simplified by introduction of fictitious observation values.
在序贯平差中通过引入假观测值法，简化了第二种解法的公式推证过程。
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