High-precision Millimeter-wave Radar Ranging Sensor Based on ARM

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Integrated Circuits and Embedded Systems ›› 2022, Vol. 22 ›› Issue (11) : 58-61.

NEW PRODUCT & TECH

High-precision Millimeter-wave Radar Ranging Sensor Based on ARM

Li Jiahao, Yao Jinjie, Ji Nana, Wu Hao, Yang Xiaoyan

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Abstract

Aiming at the poor anti-interference ability of other non-contact radars in complex environments and the complex structure of traditional millimeter-wave radars,a V-band high-precision radar sensor ranging device based on FMCW is proposed.This device is different from the design idea of the combination of waveguide and microwave module of traditional millimeter-wave radar.It develops and researches each subsystem with a highly integrated single-chip 60 GHz millimeter-wave radar sensor chip as the core.After the RF subsystem generates and transmits the V-band FMCW signal and amplifies,filters and mixes the echo signal to obtain the intermediate frequency signal,the DSP real-time processing subsystem processes the distance and transmits it to the host computer for display through the UART serial port.The process is controlled globally by the ARM subsystem.The experiment results in the anechoic chamber show that for a short-range single stationary target,the displacement accuracy of ranging can reach 0.1 mm.The research of this device has important application value for promoting the development of short-range high-precision ranging millimeter-wave radar.

Key words

ranging sensor / ARM / short-range ranging / TMS320C674

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Li Jiahao, Yao Jinjie, Ji Nana, Wu Hao, Yang Xiaoyan. High-precision Millimeter-wave Radar Ranging Sensor Based on ARM[J]. Integrated Circuits and Embedded Systems. 2022, 22(11): 58-61

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