中文题目：基于STC89C52单片机的倒车雷达警示系统作品报告 上港集箱英文题目：The work report of reversing radar warning system based on STC89C52 single chip microcomputer
博兴实验中学
摘 要
eps格式
摘要： 倒车雷达全称叫“倒车防撞雷达”，也叫“泊车辅助装置”，是汽车泊车安全辅助装置，能以声音或者更为直观的显示告知驾驶员周围障碍物的情况，解除了驾驶员泊车和启动车俩时前后左右探视所引起的困扰，并帮助驾驶员扫除视野的死角和视线模糊的缺陷。倒车雷达警示系统利用超声传感器产生的超声波对车后发射,如在一定范围内碰到物体,就有一反射波返回发射源（超声传感器的表面）,主机利用发射波和反射波之间的延迟时间和声波速度就能测得距离。本人通过三年来对单片机的学习，设计了基于STC89C52单片机的倒车雷达警示系统，主要由三个部分组成，分别为测距部分，控制系统部分和显示报警部分。该倒车雷达 根据超声波测距原理研制，采用温度补偿技术、开机自检技术和优化的软硬件技术，将测得的结果送至串口显示，同时用蜂鸣器报警。驾驶员只需坐在驾驶室就能做到心里有数，极大的提高了泊车和倒车时的安全和效率。 关键词：倒车雷达；超声波传感器；STC89C52单片机
四川康定地震Abstract
Abstract: Reversing radar name called "reversing anti-collision radar", also known as "parking auxiliary device", is a safe car parking auxiliary device, can use sound or a more intuitive display to inform the driver of the barrier around, lifting the driver parking and start two cars around visiting caused problems, and help the driver to remove the defects of vision dead and blurred vision. Reversing radar warning system using ultrasonic sensors to generate ultrasonic on the car after the launch, such as in a certain range of contact with an object, there is a reflection wave return to launch the source (the surface
共生体
虚拟物品保护法of ultrasonic sensor), the host using the transmitted wave and reflected wave between the delay time and the velocity of sound can measure distance. I by three years of the MCU learning design based on STC89C52 reversing radar warning system, is mainly composed of three parts, respectively for distance measuring part, control part of the system and alarm display unit. The reversing radar is manufactured according to the principle of ultrasonic ranging, using the temperature compensation technology, hardware and software technology poweronselftest technology and optimization, the measured result is sent to the serial port, and buzzer alarm. The driver just sitting in the cab can do several things, which greatly improves the safety and efficiency of parking and reversing the.
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