A low cost Ultra-Wide-Band Pulse Radar in a guided wave gauging application

This paper presents a low cost UWB-Pulse-Radar operating in the FCC 3.1GHz-10.6GHz band designed with standard RF- off-the-shelf components. The radar is based on the sequential sampling principle that will be briefly described. Special attention is paid on the pulse generation, where a coherent pulse oscillator in combination with a high speed switching circuitry is employed to gain pulse durations of 250ps centered at 6GHz. To demonstrate the resolution of the radar, a tank level scenario is presented allowing to detect liquid interfaces from 6.5cm thickness.

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