本文通过对导波雷达液位计的原理分析，提出一种硬件实现方案，解决了多个难点，包括UWB脉冲的发射和接收、可控步进延迟的产生、等效时间采样原理的实现。该设计具有低功耗、高稳定和高精度的优点。

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Research and Design of the Detection Unit in the Guided Wave Radar Level Gauge 1 200090 2 200233 1 2 TH816 A Abstract Aiming at the measuring requirements of modern industry a hardware design scheme of guided wave radar level gauge is proposed Considering the factors of small dead zone higher accuracy and the bad installation environment et al in liquid level measurement ultra wideband radar pulse is used as pulse transmitting source and the rigid twin rods are used as transmission media Si......