基于TMS320DM6446的毫米波汽车防碰撞雷达系统  

Based TMS320DM6446 of millimeter wave automotive radar collision avoidance system

作　　者：李小伟[1,2] 王知学[1,2] 刘源杨[1,2] 庄汝科[1,2] 

机构地区：[1]山东省汽车电子重点实验室,山东济南250014 [2]山东省科学院自动化研究所,山东济南250014

出　　处：《科技创新导报》2013年第3期1-2,共2页Science and Technology Innovation Herald

摘　　要：基于TMS320DM6446双核CPU的毫米波汽车防碰撞雷达系统,完成人机交互、显示和控制报警。键盘设置的运行参数。当DSP核运算得到的目标信号超过设定门限值时,通过ARM核控制启动声光报警。采样的中频时域信号通过傅立叶FFT变换将其从时域变换到频域,并获得频率参数。Based on the TMS320DM6446 dual-core CPU of the millimeter-wave automotive collision avoidance radar system,the completion of human-computer interaction,display and control the alarm.Keyboard set operating parameters.When the DSP core operation of the target signal exceeds a set threshold,through the ARM core control the startup sound and light alarm.IF sampling time-domain signal by Fourier transform FFT to transform from time domain into the frequency domain,and obtain the frequency parameters.

关 键 词：TMS320DM6446 汽车防碰撞雷达 傅立叶FFT 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]