| 汽车防撞毫米波雷达信号处理 |
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| 引用本文： | 周刚,吴杰,鲁可.汽车防撞毫米波雷达信号处理[J].计算机测量与控制,2011,19(7). |
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| 作者姓名： | 周刚 吴杰 鲁可 |
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| 作者单位： | 河南工业大学电气工程学院,河南郑州,450007 |
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| 基金项目： | 河南省重点科技攻关项目资助(092102210146) |
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| 摘 要： | 线性调频连续波(LFMCW)雷达应用于汽车防撞的首要任务是距离和速度的测量;根据测距测速原理,制定了信号处理流程;构建了基于32位DSP的双FIFO数据采集和数字信号处理硬件平台;通过分析高速公路汽车间安全距离和速度关系,提出测量指标;根据测量指标要求,制定了信号处理技术指标;针对防撞雷达系统多个参数相互制约的问题,以10GHz的工作频率为基础,给出系统工作参数制定的方法和步骤;根据测量指标与频域分辨力关系,分析了1024点FFT时频性能,完成信号处理主要算法。
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| 关 键 词： | 汽车防撞 调频连续波雷达 信号处理 工作参数 FFT |
Automobile Anti-collision Millimeter-wave Radar Signal Processing |
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| Zhou Gang,Wu Jie,Lu Ke.Automobile Anti-collision Millimeter-wave Radar Signal Processing[J].Computer Measurement & Control,2011,19(7). |
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| Authors: | Zhou Gang Wu Jie Lu Ke |
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| Affiliation: | Zhou Gang,Wu Jie,Lu Ke(School of Electrical Engineering,Henan University of Technology,Zhengzhou 450007,China) |
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| Abstract: | Distance and velocity measurements are primary mission of LFMCW radar in automobile anti-collision application.The signal processing procedure is established according to the principle of distance and velocity measurement Data acquisition with two FIFOs and signal processing hardware are constructed based on 32 bit DSP.The measurement targets are provided through analyzing the relationship between safe distance and velocity in highway.According to measurement target the signal processing technique targets a... |
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| Keywords: | automobile anti-collision FMCW radar signal processing working parameter FFT |
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