| 精密低频信号频率与占空比测量电路的设计与应用 |
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| 引用本文： | 汤黎明,常本康,刘铁兵,吴敏,凌刚. 精密低频信号频率与占空比测量电路的设计与应用[J]. 医学研究生学报, 2002, 15(4): 352-355 |
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| 作者姓名： | 汤黎明 常本康 刘铁兵 吴敏 凌刚 |
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| 作者单位： | 1. 南京军区南京总医院生物医学工程科,江苏南京,210002
2. 南京理工大学,江苏南京,210094 |
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| 摘 要： | 目的和方法 :介绍一种精密低频信号频率与占空比测量电路的设计以及在神经阈值刺激仪中的应用 ,详细阐述该电路结构、测试结果、误差分析及改进措施。 结果和结论 :该电路具有频率、占空比测量准确、电路简单易实现等优点 ,略加改动 ,便可很容易被推广应用到其他电路中
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| 关 键 词： | 频率 占空比 测量 神经阈值刺激仪 |
| 文章编号： | 1008-8199(2002)04-0352-04 |
| 修稿时间： | 2002-01-14 |
The measure circuit design for frequency and duty cycle of low-frequency signal |
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| TANG Li-ming ,CHANG Ben-kang ,LIU Tie-bing ,WU Min ,LING Gang. The measure circuit design for frequency and duty cycle of low-frequency signal[J]. Bulletin of Medical Postgraduate, 2002, 15(4): 352-355 |
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| Authors: | TANG Li-ming CHANG Ben-kang LIU Tie-bing WU Min LING Gang |
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| Affiliation: | TANG Li-ming 1,CHANG Ben-kang 2,LIU Tie-bing 1,WU Min 1,LING Gang 1 |
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| Abstract: | Objectives and Methods:To introduce a type of circuit for measuring frequency and duty cycle of low-frequency signal, expatiates on the theory of design, testing result, analysis for error and the measures for improvement. Results and Conclusions:The circuit is precise, easy to carry, and can be used in many systems. |
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| Keywords: | Frequency Duty cycle Measurement Neuron-threshold stimulator |
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