无线FMCW雷达测距系统的设计  

Design of Wireless Ranging System Based on FMCW Radar

作　　者：唐慧强[1] 赵长超[1] 薛莉[1] 

机构地区：[1]南京信息工程大学信息与控制学院,江苏南京210044

出　　处：《测控技术》2014年第1期55-58,62,共5页Measurement & Control Technology

摘　　要：针对复杂环境下测距的需求设计了一种基于ZigBee协议的无线FMCW雷达测距系统。采用DDS产生高精度三角波来调制FMCW雷达,中频信号经过滤波放大等处理后,再用DSP进行FFT和公式拟合法处理得出距离信息,并通过CC2530发送到上位机。经测试系统达到了设计要求。A wireless FMCW radar ranging system is designed based on ZigBee protocol to meet the demands of ranging in complex environment. The high precision triangular wave is produced to modulate FMCW radar by DDS. After filtering, amplification and other adjustment to the radar IF signal, FFT and formulas fitting methods are used to process the signals in the DSP, thus the distance information is obtained and sent to the host com- puter through the CC2530. Through testing, this system meets the design requirements.

关 键 词：FMCW雷达 DSP 测距 ZIGBEE 

分 类 号：TN953[电子电信—信号与信息处理]