| 超声信号测量高速数据采集系统设计 |
| |
| 引用本文： | 成向阳,鞠晓东.超声信号测量高速数据采集系统设计[J].中国石油大学学报(自然科学版),2000,24(1). |
| |
| 作者姓名： | 成向阳 鞠晓东 |
| |
| 作者单位： | 石油大学石油资源科学系,山东东营257062 |
| |
| 基金项目： | 中国石油天然气集团公司“九五”重点课题“射孔孔眼深度测量技术研究”部分内容 |
| |
| 摘 要： | 设计了一种用超声波检测射孔深度的高速数据采集系统。该系统采用美国ADI公司新型的四级流水线式高速、高精度模数转换器AD 92 2 0和数据交换速度高于FIFO和DMA方式的分页式双端口存储器 ,该存储器与PC机直接接口 ,因此 ,数据采集和处理可并行进行。该系统具有 10MHz的采样频率和 12位的采样精度 ,可以较好地测出来自射孔底部的反射信号 ,并能进一步分析和检测射孔的深度和质量。该系统还可以用于其他需要高速数据采集的场合
|
| 关 键 词： | 数据采集系统 数据交换 分页式双端口存储器 模数转换器 信号检测 |
DESIGN OF A DATA ACQUISITION SYSTEM WITH HIGH SPEED FOR ULTRASONIC MEASUREMENT |
| |
| Cheng Xiang-yang,Ju Xiao-dong.DESIGN OF A DATA ACQUISITION SYSTEM WITH HIGH SPEED FOR ULTRASONIC MEASUREMENT[J].Journal of China University of Petroleum,2000,24(1). |
| |
| Authors: | Cheng Xiang-yang Ju Xiao-dong |
| |
| Institution: | Cheng Xiang yang and Ju Xiao dong |
| |
| Abstract: | A high speed data acquisition system was designed for measuring the depth of the perforation with ultrasound signal. The data acquisition system adopts high speed and high resolution A/D converter AD 9220 and a paging dual\|port RAM. The A/D converter utilizes a four\|stage pipeline unit, and the dual\|port RAM has a direct interface mode with computer. The rate of data exchange with the computer is faster than those of FIFO mode and DMA mode. Therefore, the data acquisition can run in parallel with the data processing. The system has the maximum sampling rate of 10 MHz and the resolution of 12 bits. |
| |
| Keywords: | data acquisition system data exchange paging dua-port storage A/D converter signal measurement |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
