The whole control system is introduced and the parameters and working principle of the build - in - vehicles sensor developed independently are discussed with emphasis . some filter and amplifier circuits used to dispose the disturb signals were designed in experiments 本文介绍了整套系统的构成,重点讨论了自行研制的车载传感器的具体参数以及工作原理;为配合试验中采集到的数据的去除干扰处理,制作了滤波放大电路。