| 电化学测试系统集成化中的D／A转换精度 |
| |
| 引用本文： | 刘泽东,孟丽娅,Qureshi W A.电化学测试系统集成化中的D／A转换精度[J].分析仪器,2011(6):56-59. |
| |
| 作者姓名： | 刘泽东 孟丽娅 Qureshi W A |
| |
| 作者单位： | 1. 重庆大学光电技术及系统教育部重点实验室,重庆,400030
2. Department of Electrical and Computer Engineering, Michigan Sate University MI 48824 |
| |
| 基金项目： | 中央高校基本科研业务费资助(CDJRC11200004,CDJXS10120012) |
| |
| 摘 要： | 为了给电化学测试系统的单片集成设计提供D／A转换精度选择的参考依据，本文基于LabVIEW软件平台和NI公司的数据采集卡，开发了一套循环伏安法实验测试系统。该系统可以实现扫描电压的速率、起始点、扫描次数等参数的控制及极化电流和电压的实时显示和存储。程序中模拟了不同D／A转换精度的三角波电压，并配合截止频率可调的低通滤波器滤波之后输出驱动恒电位仪。对不同D／A转换精度和滤波器截止频率的组合分别进行了实验，测得了极化电流和电压。分析了不同D／A转换精度下的极化电流的RMS值和I—V曲线特性；讨论了一个可供电化学测试系统集成设计选择的D／A转换精度和低通滤波器的截止频率范围。
|
| 关 键 词： | 测试系统 单片集成 循环伏安法 LabVIEw D／A转换精度 |
D/A conversion accuracy in integration of electrochemical test system |
| |
| Liu Zedong,Meng Liya,Qureshi W A.D/A conversion accuracy in integration of electrochemical test system[J].Analytical Instrumentation,2011(6):56-59. |
| |
| Authors: | Liu Zedong Meng Liya Qureshi W A |
| |
| Affiliation: | Liu Zedong1,Meng Liya1,Qureshi W A2(1.Ministry of Education Key Laborotory Optoelectronic Technology and System,Chongqing University,Chongqing,400030,2.Department of Electrical and Computer Engineering,Michigan State University,MI 48824,USA) |
| |
| Abstract: | In order to provide a reference for the selection of D/A conversion accuracy in the design of a monolithic electrochemical test system,a cyclic voltammetry experiment test system was developed based on LabVIEW software platform and DAQ(NI Company).The system can control the scan rate,starting point,scan frequency and other parameters of the triangular voltage,and can display and store the polarization current and voltage in real time.The triangular voltage with different conversion accuracy was simulated.Af... |
| |
| Keywords: | |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
