Shortwave non-orthodox frequency-hopped signal selection by improved time correlation arithmetic is introduced.

介绍了利用改进型的时间相关算法进行短波非正交跳频网台信号分选的方法。

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In this paper, the principle of transit time correlation method and the constitution of measurement system are presented.

介绍了渡越时间相关测量方法的基本原理与测试系统组成。

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We have shown nonexistence of symmetry with respect to time reversal of the time correlation function of the steady state.

证明了定态时间相关函数不存在时间反演对称性。

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But according to the researchers, this is the first time that a direct correlation has been made between ozone levels and heart attacks.

FORBES: Researchers Prove Air Pollution Causes Heart Attacks

The key takeaway is that middle class America is disgusted with the financial markets to the point where their expectations, for the first time in decades, have no correlation with the reality of the economic situation.

FORBES: University Of Michigan Survey Makes Dow 20,000 Look Easy

For the time periods we can observe, we find that the intra-portfolio correlation is, by and large, less the longer the period of time for which we have observations.

FORBES: Should You Buy BP? Here's How to Know