Frequency display. The frequency display displays the currently selected transmit and receive frequency.

频率显示，频率显示所显示的是当前选择的发射和接收频率。

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According to the high frequency noise of inverter output frequency display signal, the noise absorbing circuit is designed, the measures of reducing noise are presented.

针对变频器输出频率显示信号中的高频噪声，设计了相应的噪声消除电路，给出了进一步提高系统抗干扰能力的措施。

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This article sum up the principle of frequency display in HP8559A spectrum analyzer. And introduce a design to improve frequency accuracy of measurement by using Single-chip-computer.

本文介绍了H P 8559 A频谱分析仪频率测量显示电路的基本工作原理，同时阐述了怎样使用单片机对该型号频谱仪实施改造以改善其频率测量准确度。

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The sheer amount of things to see is staggering, and like any big city art or natural history museum, the vast majority of the artifacts and memorabilia are in storage, not on display, enabling them to be rotated with enough frequency so that every time you visit it is new again.

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