求助论文摘要的英文翻译，很急啊不要在线翻译

来源：百度知道编辑：UC知道时间：2024/04/29 12:32:28

基于传统测频原理的频率计的测量精度将随被测信号频率的下降而降低，在实用中有较大的局限性，而等精度频率计不但具有较高的测量精度，而且在整个频率区域能保持恒定的测试精度。频率信号抗干扰能力强、易于传输，可以获得较高的测量精度，所以测频率方法的研究越来越受到重视。本设计是基于AT89S51单片机的等精度频率计。输入信号为峰峰值5v的正弦信号，频率测量范围10HZ~100MHZ ，频率测量精度为0.1%。采用1602液晶显示器显示测量结果。

The measurement precision based on that the tradition examines the cymometer of the principle frequently will be reduced with the decline of signal frequency be examined, until greater limitation when having in being the practical,and,etc. precision cymometer not only measurement precisions higher, and can keep the invariable test precision in the area of whole frequency. The signal anti-interference ability of frequency is strong, easy to transmit, can obtain higher measurement precision, so is examining the research of the frequency method and is being paid attention to. It is a precision cymometer based on AT89S51 one-chip computer to originally design. Input signal for peak peak value sine signal of 5v, frequency measure range 10HZ input 100MHZ, frequency measure precision 0.1%. Adopt 1602 liquid crystal displays and reveal the result of measuring.

Based on the traditional principle of measuring the frequency of the frequency of measurement accuracy will be tested with the

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