The third counter starts counting in the first clock frequency when receiving the enablingsignal, and stops counting when the enablingsignal 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.