The proposed algorithm is based on second order moment, and the problem of low SNR is compensated by long time integral.

它基于接收信号的二阶统计量，并用长时积分以弥补信噪比低的问题。

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The control equations, the difference expressions, the boundary condition and the time integral scheme etc. are also given.

给出了该框架的控制方程组及其差分形式、边界条件、时间积分方案等。

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This paper deals with extraction of spectral lines of underwater targets in background noise using a space-time integral method.

利用目标线谱与自噪声线谱在时间域和空间域上的差异，采用时空联合手段研究舰船噪声中目标线谱的提取方法。

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We know that charge is equal to the integral of current times the time. And he knows the current, he knows how much time and then he weighs this.

我们知道电量等于电流,对时间的积分，他知道电流，他也知道时间，然后他测量这个。

麻省理工公开课 - 固态化学导论课程节选

This is on the basis of the integral of the current times the time.

这是根据电流对,时间的积分。

麻省理工公开课 - 固态化学导论课程节选

There is an alternative metric called accumulated cyclonic energy, which is essentially an integral over time of hurricane strength, whether they hit land or not.

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