基于单片机的超声波测距系统的设计摘 要: 这是一种可应用于倒车雷达的超声波测距系统
本系统采纳单片机为核心, 结合发射和接受模块构成整个的测距系统
倒车雷达是用来探测车身和周围的障碍物并显示其距离, 以帮助驾驶员安全倒车或泊车的辅助电子设备, 在纵多的汽车中逐渐普及应用, 而且较多的应用了本系统设计采纳的无源探头
采纳无源探头能够降低整个系统的设计成本, 为能够更广泛的应用超声波测距系统打了坚实的基础
因此, 本系统的设计具有广泛的运用价值和意义
关键字: 超声波测距; 倒车雷达; 运用价值 Abstract: This is a reversing radar can be used in ultrasonic ranging system
The system uses a single-chip microcomputer as the core, Combination of transmitting and receiving modules constitute the entire ranging system
Reversing radar is used to detect obstacles in and around the body and displays its distance, in order to help driver safety reversing or parking and ancillary electronic equipment, in many longitudinal vehicle gradually wider application, and more applications of the system design Passive probe used
Passive probe can reduce