| 基于FPGA的测温系统的设计 |
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| 引用本文： | 于京,吕殿基. 基于FPGA的测温系统的设计[J]. 内蒙古大学学报(自然科学版), 2011, 42(5): 576-580 |
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| 作者姓名： | 于京 吕殿基 |
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| 作者单位： | 1. 北京电子科技职业学院电信工程学院,北京,100029
2. 北京经济管理职业学院,北京,100029 |
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| 基金项目： | 北京市教委科研基地资助项目(PXM2010-014306-109868) |
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| 摘 要： | 介绍了单总线数字温度传感器DS18B20的特性及工作原理,给出了由DS18B20与FP-GA组成的测温系统的硬件电路和软件设计及提高测量精度的方法.通过对实际温度的测量及与专用测温仪的比较,发现该系统具有数据准确、接口简单、精度高、抗干扰能力强、工作稳定可靠等特点.
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| 关 键 词： | 数字式传感器 FPGA 测量精度 DS18B20 |
Design of Temperature Measurement System Based on FPGA |
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| YU Jing,LU Dian-ji. Design of Temperature Measurement System Based on FPGA[J]. Acta Scientiarum Naturalium Universitatis Neimongol, 2011, 42(5): 576-580 |
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| Authors: | YU Jing LU Dian-ji |
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| Affiliation: | YU Jing1,LU Dian-ji2(1.School of Telecommunication Engineering,Beijing Vocational College of Electronic Science and Technology,Beijing 100029,China,2.Beijing Institude of Economic Management,China) |
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| Abstract: | Characteristics and basic principle of 1-Wire digital thermometer DS18B20 are introduced.The design of hardware and software are described for a temperature measurement system by FPGA and DS18B20 temperature sensors,and the method of improving measuring precision is given.Through measuring actual temperature and comparing with special thermoscope,it is found that this system has characteristics of accurate data,simple interface,high precision,better anti-interference,and stable and reliable working,etc. |
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| Keywords: | digital sensor FPGA measuring precision DS18B20 |
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