Thus, the window spectrum estimation technique provides more effective model validation than the traditional back-test m.

为将基于窗谱估计的模型验证技术应用于金融时间序列领域，以解决金融时间序列模型的设定正确性。

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Using spectrum window replace spectrum meter is a precondition to control droplet transfer with spectral information online.

用光谱窗口替代光谱仪是实现熔滴过渡电弧光谱信息在线控制的基础。

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The principle of spectrum correction based on difference is studied. A novel method by use of phase phase difference, namely the method of translation of window center is proposed.

研究了基于相位差的频谱校正方法的基本原理，提出一种利用相位差校正的新方法———窗中心平移法。

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While these proposed rules would, if adopted, govern only one slice of the radiofrequency spectrum, they offer a window into how sharing of Government spectrum can become an important component of the more efficient approach to spectrum management called for by President Obama.

WHITEHOUSE: Backing PCAST, Commissioners Propose Spectrum Sharing