基于ARM7的数据采集与无线传输模块设计  

Design of a Module of Data Acquisition and Wireless Transmission Based on ARM7

作　　者：郑烨 张伯虎[1] 

机构地区：[1]武警工程大学通信工程系,陕西西安710086

出　　处：《电子科技》2012年第10期46-48,共3页Electronic Science and Technology

摘　　要：提出了一种基于ARM7嵌入式系统的数据采集与无线传输模块的设计方案,实现高精度、快速、实时的数据采集与传输。介绍了基于LPC2220芯片的数据采集系统,给出了由嵌入式LPC2220微处理器和射频收发芯片nRF905组成的无线传输模块设计。当其工作在868 MHz频段时,数据传输速率可达1 Mbit.s-1,采用高增益天线,使得传输距离可达800 m以上,且表现出良好的稳定性。最终实现高精度、快速、实时的数据采集与传输。This paper proposes a module of data acquisition and wireless transmission based on the ARM7 embedded system.Firstly,we introduce a data acquisition station system based on LPC2220 chip,and shows the design of a wireless transmission module which is composed of the embedded LPC2220 microprocessor and the chip of nRF905.When it works at 868 MHz,the rate of data transmission is 1 Mbit·s-1.The effective transmission radius can reach 800 meters with good stability by using the high gain antenna.The design has the advantages of high precision,high speed and real-time data acquisition and wireless transmission.

关 键 词：嵌入式系统 LPC2220 NRF905 数据采集 无线传输 

分 类 号：TP316.2[自动化与计算机技术—计算机软件与理论]