本文设计并实现了一种多超声信号融合处理系统,主要用于移动机器人超声测距导航。 系统针对超声回波信号的特点,使用AT89C52 单片机对来自多个超声波传感器的微弱回波信号进行数字处理,并通过RS-232 串行口与主机实现通讯。利用该系统,可以完成超声波信号的精确提取及多传感器信息的融合处理,为移动机器人在未知环境下的快速导航奠定了基础。 关键字:多通道;超声测距;信息融合 Abstract: This paper presents a multi-ultrasonic signal fusion system, which is mainly used in the robot ultrasonic ranging application. In this system, small ultrasonic echoed signals are processed by AT89C52 which communicate with the main computer through RS-232 serial port. The system can extract ultrasonic echoed signals precisely, and accomplish multi-sensor data fusion. It lays the foundation for mobile robot to realize fast navigation. Key words: Multi-Channel; Ultrasonic Ranging; Information Fusion