基于DDS和锁相环的x波段FMCW雷达系统

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals Pub Date : 2011-08-25 DOI:10.1109/IMWS2.2011.6027213

Yun-Taek Im, Jee-Hoon Lee, Seong‐Ook Park

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引用次数: 16

摘要

介绍了一种基于DDS和锁相环的FMCW测距系统。DDS作为线性调频信号源的参考时钟，由它来控制锁相环。FMCW雷达系统的带宽为150mhz，扫描时间为270us。采用零填充和光谱质心处理技术测量目标距离，距离分辨率小于0.25 m。

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A DDS and PLL-based X-band FMCW radar system

A DDS and PLL-based FMCW range meter system is described. The DDS is used as a reference clock of a linearly frequency modulated signal source, and the PLL is controlled by it. The bandwidth and the sweep time of the FMCW radar system are 150 MHz, and 270 us. Zero-padding and spectral centroid processing techniques are used to measure a target range, and the range resolution is less than 0.25 m.

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来源期刊

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals

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