We illustrate the wavelet package analysis that can obtain the time-frequency distribution figure of noise signal, which can be used to define gray-image.

首先对噪声信号进行小波包分解，得到含有待诊断柴油机主轴承间隙故障信息的噪声信号时频分布图，并由此定义图像。

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The metadata warehouse of electrical power corporations included meta object model package, foundation package, resources package, analysis package and management package.

该电力企业数据仓库元数据仓储分为元对象模型包、基础包、资源包、分析包、管理包等。

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The forecasts come from a unique open-source analysis package, called the 2050 pathways calculator, which was created by Professor David MacKay, chief scientific adviser to the Department of Energy and Climate Change.

FORBES: Lying With Numbers: Green Energy Edition

The Congressional Budget Office late Monday evening released its first analysis of the total stimulus package as proposed by House Democrats.

CNN: Obama tells GOP no compromise on tax rebates