As one high order spectrum estimation, bispectrum estimation is widely used.

双谱估计是一种应用广泛的高阶谱估计。

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The method of phase data time delay estimation based on high order spectrum is put forward.

本文提出了一种利用高阶谱相位数据进行时延估计的新方法。

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Then, based on defining three conceptions called as the second order spectrum, two theorems about the second order spectrum were proven.

然后，以定义三个叫做二阶谱的概念为基础，证明了两个关于二阶谱的定理。

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In order to free up spectrum and increase operational efficiency, Sprint is shutting down the older iDEN network completely by next summer.

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Despite campaign promises, both would temper their policies towards the center of the political spectrum in order to work effectively with a divided Congress and a divided nation.

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They are putting together entrepreneurial vision and a lot of risked capital in order to put our precious spectrum to the highest and best use.

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