Low-cost High-Resolution Radar System Using Stretch Processing

Alejandro J. Venere, Sebastian Pazos, M. Hurtado
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Abstract

We propose a receiver circuit for radar systems operating at microwave frequency that consists of a quadrature hybrid coupler connected to two power detectors. The device employs stretch processing to obtain high range resolution with low ADC requirements. We derive and validate a theoretical model of the proposed architecture using a prototype simulation designed for a 5.2 GHz center frequency. The simulation results match the theoretical behaviour and demonstrate that this approach achieves a typical range resolution, up to 37.5 cm, with low cost and low power consumption.
采用拉伸处理的低成本高分辨率雷达系统
我们提出了一种用于微波频率雷达系统的接收电路,该电路由连接两个功率探测器的正交混合耦合器组成。该器件采用拉伸处理,以低ADC要求获得高范围分辨率。我们利用设计用于5.2 GHz中心频率的原型仿真推导并验证了所提出架构的理论模型。仿真结果与理论行为相吻合,表明该方法达到了典型的距离分辨率,最高可达37.5 cm,成本低,功耗低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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