| 高精度模数转换器在压力信号采集系统中的应用 |
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| 引用本文： | 陈亮,高国旺,马认琦,刘景超,张玺亮. 高精度模数转换器在压力信号采集系统中的应用[J]. 电子测试, 2011, 0(4): 1-3 |
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| 作者姓名： | 陈亮 高国旺 马认琦 刘景超 张玺亮 |
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| 作者单位： | 西安石油大学光电油气测井与检测教育部重点实验室;中海油能源发展有限公司; |
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| 基金项目： | 陕西省自然科学基础研究计划重点项目(项目编号:2010JZ005)资助 |
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| 摘 要： | 本文设计的压力信号采集系统采用了高精度24位的模数转换器ADS1255.如何使用这种高性能的模数转换器,本文给出了硬件和软件设计方法并作了详细的说明.本文使用的模数转换器硬件精度高,接口简单,通用性强.使用这种高精度模数转换器的压力信号采集系统稳定可靠,已通过了井下试验的测试,满足采集井底压力信号的要求.
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| 关 键 词： | ADS1255 高精度模数转换 SPI 信号采集系统 |
Application of high-precision A/D converter in a signal acquisition system |
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| Chen Liang,Gao Guowang,Ma Renqi,Liu Jingchao,Zhang Xiliang. Application of high-precision A/D converter in a signal acquisition system[J]. Electronic Test, 2011, 0(4): 1-3 |
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| Authors: | Chen Liang Gao Guowang Ma Renqi Liu Jingchao Zhang Xiliang |
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| Affiliation: | Chen Liang1,Gao Guowang1,Ma Renqi2,Liu Jingchao2,Zhang Xiliang2(1 Xi'an Shiyou University,Key Laboratory of photoelectric logging and detecting of oil and gas,Ministry of Education,Xi'an 710065,China,2 CNOOC Energy Development Co.,Ltd.Tianjin 300450,China) |
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| Abstract: | This pressure signal acquisition system uses a high-precision 24-bit ADC ADS1255.ADS1255 ADC sampling of high precision,fast conversion speed,easy interface,with programmable gain amplifiers and programmable digital filter,is a high performance ADC.How to use this high-performance ADC,this paper presents hardware and software design methods as well as detailed instructions.The hardware interface is simple and the system isreusable.The pressure signal acquisition system is reliable,has passed the test underg... |
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| Keywords: | ADS1255 high-precision analog-to-digital converter SPI signal acquisition system |
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