| 等精度数字频率计几种设计方案的实验研究 |
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| 引用本文： | 林建英,高苗苗,牛英俊.等精度数字频率计几种设计方案的实验研究[J].实验科学与技术,2010,8(5):8-10,75. |
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| 作者姓名： | 林建英 高苗苗 牛英俊 |
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| 作者单位： | 大连理工大学电子信息与电气工程学部,大连116023 |
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| 摘 要： | 研究了采用不同器件、不同设计方法实现等精度频率计的5种设计方案。依据等精度频率测量原理,分别针对51单片机、C8051F单片机、FPGA与单片机、FPGA及SOPC几种系统的等精度频率计设计方法、特点进行了详细的分析和实验教学研究。以及在此基础上扩展实现周期测量、占空比测量、脉宽测量功能的方法。意在引导学生拓展思路,使等精度数字频率计设计的实验教学实施具有启发性、开放性、探索性等特点。
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| 关 键 词： | 等精度数字频率计 单片机 现场可编程逻辑阵列 SOPC芯片 |
Multiple Designs of Equal Precision Digital Frequency Meter Implemented in Experimental Teaching |
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| LIN Jian-ying,GAO Miao-miao,NIU Ying-jun.Multiple Designs of Equal Precision Digital Frequency Meter Implemented in Experimental Teaching[J].Experiment Science & Technology,2010,8(5):8-10,75. |
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| Authors: | LIN Jian-ying GAO Miao-miao NIU Ying-jun |
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| Institution: | (Faculty of Electronic information and Electrical Engineering,Dalian University of Technology,Dalian 116024,China) |
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| Abstract: | Different schemes have been discussed in this paper,by utilizing several devices and designs to achieve equal precision fre-quency meter.Detailed analysis and practical laboratory teaching have also been carried out focusing on MCU 51,MCU C8051,FPGAMCU and FPGASOPC respectively,according to principles of equal precision frequency measurement.Based on these a-chievement,methods of period measurement,cycle duty measurement,pulse width measurement are extended to enhance the imple-mentation of equal precision digital frequency meter experiment,thus experimental teaching can be expected stimulating,openness and full of exploratory. |
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| Keywords: | equal precision frequency meter MCU FPGA SOPC |
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