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一种低成本FMCW雷达测距系统中频电路设计

更新时间:2020-10-25 20:49:54 大小:4M 上传用户:zhengdai查看TA发布的资源 标签:雷达测距系统中频 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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为适应FMCW雷达技术在研究深度及相关硬件水平上的新发展,以FMCW雷达测距原理为基础,设计了用于FMCW雷达系统的一款中频处理电路,包括调制信号的产生、中频电路参数的计算及电路实现。为方便验证中频电路性能,设计实现了一种基于FPGA的信号采集方案及信号处理办法,并放置静态目标进行验证。实验结果表明,测试系统能够测量10m以内的目标距离,测距平均误差为±0.1m。该中频电路设计方案简洁便利、易于实现、成本较低且性能良好,为FMCW雷达民用化应用提供了一种解决方案。

In order to adapt to the new development of FMCW radar technology in research depth and relevant hardware level,on the basis of the ranging principle of FMCW radar,an intermediate frequency processing circuit for FMCW radar system is designed,including the generation of modulation signals,the calculation of intermediate frequency circuit parameters and circuit implementation.In order to verify the performance of intermediate frequency circuit conveniently,a signal acquisition scheme and signal processing method based on FPGA are designed and implemented,and static targets are placed for verification.The experimental results show that the test system can measure the target distance within 10m with an average ranging error of ±0.1m.The IF circuit design scheme is simple and convenient,easy to implement,low in cost and good in performance,and provides a solution for the civilian application of FMCW radar.

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一种低成本FMCW雷达测距系统中频电路设计.pdf 4M

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