The results demonstrated that this technology can improve imaging of coal seams in structure complicated areas and coalfield seismic data signal-to-noise performance and resolution effectively.

结果表明：叠前时间偏移技术能够有效地提高构造复杂地区煤层的成像效果，提高煤田地震资料的信噪比和分辨率。

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Calculate post-stack seismic data signal to noise ratio of the source. For the VC + + format.

说明：计算叠后地震数据信噪比的源程序。为VC++格式的。

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The latch circuit may be configured to latch an output data signal generated at the output node.

锁存电路 可被配置为锁存在输出节点处生成的输出数据信号。

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Power companies and networking startups have spent years touting a technology called broadband-over-power lines, or BPL. In those systems, the utility sends a data signal across existing wires at a much higher frequency than electricity, so the two signals don't interfere.

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They can use data to signal the highest performers, or even the highest performance across all of their performers.

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For voice the difference will be a clean completed call or a noisy dropped call, for data services the better the signal strength the higher the data rate you will obtain in both directions.

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