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FMCW雷达测距系统的中频信号处理电路设计

更新时间:2020-08-17 01:05:55 大小:554K 上传用户:zhiyao6查看TA发布的资源 标签:fmcw雷达测距系统 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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中频信号处理电路是雷达测距系统的核心硬件。在计算得到滤波及放大电路的关键参数后,基于双运放MC33078,设计实现了包含高通和低通2个单元的滤波电路;利用可调增益放大器AD603和静电计级运算放大器OPA128等设计实现了可调增益放大器、峰值检波电路和AD/DA转换电路。对所设计的关键电路进行了模拟验证,并通过对静态目标的测距实验,验证了中频信号处理电路对雷达测距的适用性和测试值相对于计算值的准确性。

Intermediate frequency ( IF) signal processing module is the core of radar range system.After the key parameters of filter and amplification were calculated, the filter circuit including high-pass filter and low-pass filter was designed and realized based on double op-amp MC33078.Then based on adjustable gain amplifier AD603 and operational amplifier OPA128,the adjusta-ble gain amplifier,peak detection circuit,and AD/DA switching circuit were designed and realized.The simulation and validation of key circuits were performed.Further more,the applicability and veracity of whole circuit module was confirmed by static target ran-ging experiment.

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FMCW雷达测距系统的中频信号处理电路设计.pdf 554K

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