详细信息
文献类型:期刊文献
中文题名:基于FPGA的数字频率计的设计与实现
英文题名:Design and Realization of Digital Frequency Meter Based on FPGA
作者:张兆莉[1];蔡永泉[2];王珏[1]
第一作者:张兆莉
机构:[1]北京联合大学自动化学院;[2]北京工业大学
第一机构:北京联合大学城市轨道交通与物流学院
年份:2006
卷号:27
期号:11
起止页码:10-13
中文期刊名:自动化仪表
外文期刊名:Process Automation Instrumentation
收录:CSTPCD
语种:中文
中文关键词:数字频率计;频率测量;周期测量;占空比测量
外文关键词:Digital frequency meter Frequency measurement Period measuremeut Measurement of duty ratio
摘要:介绍了一种运用FPGA开发软件QuartusⅡ设计的数字频率计。该数字频率计的1Hz^1MHz输入被测脉冲信号具有频率测量、周期测量、脉宽测量和占空比测量等多种用途,其测试结果由3只七段数码管稳定显示,测试量程可自动切换,测量误差小于等于0.1%。
A digital frequeney meter designed with FPGA development software Quartus Ⅱ is introduced. The 1 Hz - 1 MHz input measured pulse signals of the digital frequency meter can be used for measuring frequency, period, pulse width and duty ratio, etc. The test results stably display on 3 seven-segment numeric tubes, and the measuring ranges may be switched over automatically. The measuring error is equal to or less than 0.1%.
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