倒车雷达系统的研究与设计：系统设计中采用了模块设计思想，简化了调试工作量，最终很好完成了超声波测距倒车雷达系统的硬件设计、软件设计及系统调试。-Reversing radar system research and design: system design using the modular design, simplifying the debugging workload, and ultimately completed a very good ultrasonic ranging re