The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.

通过相位灵敏度检测，大大提高了信噪比。

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One detection design block diagram and algorithms for low S/N DS/SS signal are presented in this paper.

本文对低信噪比直接序列扩频（DS／SS）信号的检测提出了设计方案和算法。

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The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.

为了提高信噪比，采用了信号平均技术，并通过实验确定了最佳采样时间和平均次数。

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Navi Pillay, the U.N. human rights commissioner, called Suu Kyi's release a "positive signal" that the Myanmar authorities are willing to move forward with the serious challenge of democratic transition.

CNN: Suu Kyi's freedom: A catalyst for change or not?

Withdrawing from Syria would ensure the safety of the team, but it could signal a loss of confidence in the hopes of a cease-fire and leave the U.N. without a way to monitor progress, the report says.

CNN: U.N. head outlines options for Syria mission