因此，本论文提出了一种全差分光接收机，其优点是可使现行差分光接收机的灵敏度倍增和带宽明显提高。

Hence, this thesis proposes a novel fully differential optical receiver with advantages of a doubled sensitivity and a much better bandwidth compared with a present differential optical receiver.

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文中提出了避免残差灵敏度矩阵存储的新方法，以及对量测估计进行局部修正的方法。

A new method of how to avoid the storage of the residue sensitivity matrix and of how to make local correction of measurement estimates are discussed in this paper.

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本文分析了典型工件的厚度差，以及不同灵敏度级别的厚度宽容度。

The paper analyzed the thickness difference in typical objects, and thickness tolerance required for different sensitivity classes.

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