提出一种新的高精度频率测量方法。
This paper presents a new method of high accuracy measurement of frequency.
该文介绍一种基于相位差校正的电网频率测量方法。
The high-precision frequency measurement is the base of a great deal of applied technologies.
介绍了一种基于数字频率计原理，以at89 C5 1单片机为控制器件的新型频率测量方法。
A new method of frequency measurement based on the theory of digital frequency meter is presented. The MCU AT89C51 is used for the center controller.
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