【摘要】 介绍了利用单片机控制的超声波测距系统的原理,并给出了系统构成。该系统由单片机控制时间计数、控制超声波的发射和接收,并在数据处理中采用了温度补偿修正。此系统具有易控制、工作可靠、测量精度高的优点。更多还原

【Abstract】 The principle and structure of ultrasonic distance measurement system controlled by microprocessor were introduced.The microprocessor was used to control the time-keeping and the transmitting and reflecting back of ultrasonic,and the temperature compensation was used in the data processing.So the designed system has the features,such as easy control,operation stability and high precision etc.更多还原