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1·The third counter starts counting in the first clock frequency when receiving the enabling signal, and stops counting when the enabling signal stops.

一比较器，接收上述第一计数器及上述第二计数器的计数值，以产生一致能信号输出；

2·These new capabilities extend the analysis power of Agilent's signal and spectrum analyzers, enabling them to address even the most difficult application challenges.

这些新性能扩展了安捷伦的信号和光谱分析仪的分析能力，使它们能满足甚至是更难的应用挑战。

3·Besides, the equipment is relatively easy to install, enabling in-depth coverage signal extension to lower-level, dense residential areas.

设备安装方便，有效的延伸了信号的覆盖范围，比较好的解决了楼层低且密集的区域的深度覆盖。