We have improved fringe search method for processing VLBI data at low signal-noise ratio (S/N).

为了处理低信噪比（S/N）的VLBI观测数据，我们对现有的条纹搜索方法做了改进。

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Abstract: Objective An improved water-fat separation method based on region -growing was proposed for use in regions with low signal-noise ratio (SNR).

摘要：目的提出一种改进的基于区域增长的水脂分离方法，使其可以在低信噪比情况下更可靠。

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CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.

以吖啶酯衍生物为发光标记物的CLIA的特点是：自然本底低和信噪比高。

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