基于ATMEGA8的高精度超声波测距仪设计  

Design of the Ultrasonic Distance Measurement System with High Precision Based on ATMEG8

作　　者：许红梅 

机构地区：[1]山东省东营市垦利县供电公司电力调度办公室,山东东营257500

出　　处：《电子科技》2012年第9期115-117,共3页Electronic Science and Technology

摘　　要：针对普通超声波测距系统测量精度低的问题,介绍了一种由ATMEGA8单片机控制的实时超声波测距系统,电路主要采用专用时间测量芯片TDC-GP21,并考虑了温度补偿,有效地保证了系统测量精度和低功耗特性。In view of the low measurement accuracy of the common ultrasonic telemeter system, this paper in- troduces a real-time system of ultrasonic distance measurement instrument controlled by ATMEGA8 SCM. The circuit adopts the high precision interval measuring chip TDC-GP21 and the temperature compensation measures to ensure the measurement accuracy and low power dissipation.

关 键 词：TDC—GP21 超声波测量 时间测量 ATMEGA8 

分 类 号：TP873[自动化与计算机技术—检测技术与自动化装置]