| 高速数据采集及存储技术研究 |
| |
| 引用本文： | 庞晓晖,胡修林,张蕴玉,胡炜.高速数据采集及存储技术研究[J].华中科技大学学报(自然科学版),1999,27(3). |
| |
| 作者姓名： | 庞晓晖 胡修林 张蕴玉 胡炜 |
| |
| 作者单位： | 1. 华中理工大学,电子与信息工程系
2. 中国航天工业总公司,第三研究院 |
| |
| 基金项目： | 中国航天工业总公司资助 |
| |
| 摘 要： | 介绍一种２５０ＭＳＰＳ数据采集存储卡及其与计算机接口电路的工作原理、设计思想，以及在雷达回波信号采集系统中的应用．系统采用了多路合成方案，以实现多路低速Ａ／Ｄ合成一路高速Ａ／Ｄ，从而减小了电路实现难度，提高了系统工作的可靠性．通过采用内存直接映射的接口方案，实现了采集扩展存储器在高速数据采集卡和计算机间的共享，从而完成高速采样数据向计算机的传输．最后从理论上对系统性能和调试结果进行了分析
|
| 关 键 词： | 高速A/D转换 存储 时序 接口 |
A Study on High Speed Data Acquisition and Memory System |
| |
| Pang Xiaohui,Hu Xiulin,Zhang Yunyu,Hu Wei.A Study on High Speed Data Acquisition and Memory System[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1999,27(3). |
| |
| Authors: | Pang Xiaohui Hu Xiulin Zhang Yunyu Hu Wei |
| |
| Institution: | Pang Xiaohui Hu Xiulin Zhang Yunyu Hu Wei |
| |
| Abstract: | The performing principle and implementation of a 250MSPS acquisition system and its application in Radar signal data acquisition is analyzed. The system adopts the scheme of multi channal synthesis reducing the difficulty of the circuit implementation and increases the stability of system. The interface method of direct memory map is also applied for purposes of realizing the sharing of the extended acquisition data memory between high speed data acquisition card and computer. The system performance and its adjustment are analyzed theoretically. |
| |
| Keywords: | high speed A/D conversion memory timing interface |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
