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Design of Ultrasonic Distance Measurement System with Temperature Compensation
Author(s): 
Pages: 35-37,59
Year: Issue:  2
Journal: Audio Engineering

Keyword:  超声波测距温度补偿STC89C52温度传感器超声波传感器;
Abstract: 介绍了超声波测距的原理,利用超声波传感器作为核心器件,采用温度补偿的方法实现了对5 cm ~4m距离的准确测量.系统由STC89C52单片机、DS18B20温度传感器、超声波传感器HC-SR04以及数码管显示电路组成.测量结果表明,该系统误差不超过3 cm,系统硬件结构简单、成本低、性能可靠,有一定的实用价值.
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