基于TMS320F2812的数据采集和处理的系统设计  

Data acquisition and processing system based on TMS320F2812

作　　者：杨磊[1] 崔敏[1] 马铁华[1] 万磊[2] 

机构地区：[1]中北大学仪器科学与动态测试教育部重点实验室,山西太原030051 [2]航天科工集团第六研究院601所,内蒙古呼和浩特010076

出　　处：《电子测试》2011年第9期50-53,共4页Electronic Test

摘　　要：本文阐述了一种基于DSP的数据采集和处理系统的设计和实现,该系统主要采用TI的32位定点数字信号处理芯片TMS320F2812作为信号采集和处理的核心,充分利用该芯片内部的12位的A/D模块对数据进行不同采样频率采集,并且通过事件管理器来启动A/D采样,变频采样速率主要是通过在程序中设置两个变量来控制。数据处理模块充分利用该芯片的强大,快速的计算能力,对采集到的数据进行滤波和快速傅里叶变换,并对处理前后的数据进行存储。通过实验和结果的分析,验证了系统稳定性和可行性。This paper describes the designing and achieving of data acquisition and processing system based on DSP,The dissertation takes the 32 bits fixed-point digital signal processing processor TMS320F2812 of Texa Instrument Company as the core of signal acquisition and processing system.Data is acquisited with different sampling rate through the 12bit A/D module on-chip,and A/D acquisition is triggered by the event manager,differernt sampling rate is mainly set by two variables in the program.Full use of strong,fast calculating power of the chip,the data is filered and fast Fourier transformed by the data processing module,and is stored.the processed data is stored also.The system is tverified as stability and feasibility through experiments and analysis of the results.

关 键 词：DSP 数据采集 数据处理 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]