| 高精度卡尔逊仪器检测技术研究及其监测单元的研制 |
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| 引用本文： | 李德识,钱榕.高精度卡尔逊仪器检测技术研究及其监测单元的研制[J].自动化与仪器仪表,2000(5):56-58. |
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| 作者姓名： | 李德识 钱榕 |
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| 作者单位： | [1]武汉水利电力大学 [2]湖北省电力公司 |
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| 摘 要： | 针对卡尔逊仪器的应用要求，提出一种程控交变恒流源为激励的比较测量方法，对相关电路的技术要求进行了分析，并设计实现了基于ＰＣ总线的监测单元；采取了数字滤波和线性预测的数据处理方法，进一步提高了测量精度。工程运行结果表明，该测量技术完全可满足０．０１％测量精度的要求。
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| 关 键 词： | 恒流源 卡尔逊仪器 监测单元 比较测量 测量精度 |
The High precision Detecting Technology Reseavching for Calson Type Transducers and the Monitoring Unit's Design |
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| Li Deshi,etc..The High precision Detecting Technology Reseavching for Calson Type Transducers and the Monitoring Unit's Design[J].Automation & Instrumentation,2000(5):56-58. |
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| Authors: | Li Deshi etc |
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| Abstract: | Aimed at the application of Calson type transducers,this paper develops a high accuracy comparing method with programmable switching constant current source being input signal,gives some detail analysis on the demand of the circuits,and designs the monitoring unit for PC-ISA bus;By using digital filter and linear pre-estimation to process the data collected,the accuracy was increased. |
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| Keywords: | Constant current source Measurement |
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