英文翻译成中文(摘要)

来源：百度知道 编辑：UC知道 时间：2024/05/26 04:02:48
频率检测是电子测量领域的最基本也是最重要的测量之一。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，不少物理量的测量如时间、 速度等也都转化为频率的测量，已达到其高精度的要求。频率计的应用范围很广 ,不仅应用于一般的仪器测量当中 ,还可应用于工业控制等其它领域，所以测频率方法的研究越来越受到重视。
本设计采用等精度测频原理，用AT89C51单片机和一些基本逻辑电路设计的通用频率计设计具有较高的实用性和可靠性。AT89C51单片机作为系统的主控部件，实现整个电路的测试信号控制、数据运算处理、键盘扫描和控制数码管的显示输出，控制灵活。利用等精度测频原理，从原理上克服 误差，且被测信号在整个测量范围内均为等精度测量，测量范围从0.01Hz-10MHz，
本文详细论述了系统的设计方法，各部分硬件电路组成及单片机编程设计，实用proteus软件进行仿真，分析误差，达到了较高的测量精度和测量速度。

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Frequency detection is the most basic electronic measurement field is one of the most important measurement. Frequency signal strong anti-jamming ability, easy to transport and can obtain high measuring accuracy of measurement, many parameters such as time, speed etc. Into frequency measurement, the precision requirement has been reached. The application of frequency range is very wide, not only applied to general instrument measurement, can also be used in industrial control and other fields, so the study method of measuring frequency more and more attention.
This design USES frequency measurement accuracy etc with AT89C51 principle, and some basic logic circuit design of high frequency of general design of reliability and practicability. As a system master AT89C51, of the whole circuit test signal control, data processing, keyboard scan and operation control of the digital display output, control tube. Use frequency measurement precision theory, from the principle error, and