The method of frequency and pulse - width measurement in a PC - based virtual - scope is discussed.

讨论了基于PC的 数据采集卡所构成的虚拟示波器中信号频率及 脉宽 的测量方法.

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The frequency measurement method, CPLD application, and pulse width measurement method are introduced.

介绍了高精度测频方法 、 可编程逻辑器件应用以及周期脉宽测量方法.

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Abstract: The method of frequency and pulse - width measurement in a PC - based virtual - scope is discussed.

文摘: 讨论了基于PC的 数据采集卡所构成的虚拟示波器中信号频率及 脉宽 的测量方法.

互联网