NDT, Volume 4, Issue 1
2026 March - 11 articles
Cover Story: Satellite-based microwave observations often lack the temporal resolution required to capture rapid Earth system dynamics, including soil–plant–atmosphere interactions, rainfall interception, and snow events. While ground-based radar can resolve these processes, it typically relies on expensive, high-end instruments. This work presents a low-cost, software-defined radio (SDR)-based SFCW radar featuring an enhanced RF front end, remote maintenance capabilities, and a cloud-based backend. Calibration and preliminary measurements demonstrate that the system provides stable, high-temporal-resolution microwave data, enabling more accessible and frequent monitoring of critical climate processes. View this paper
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NDT - ISSN 2813-477X