用低成本雷达实现厘米级水位监测，适合无人机自主巡检
Cost-Effective Radar Sensors for Field-Based Water Level Monitoring with Sub-Centimeter Accuracy
- 采用商用雷达传感器结合统计滤波提升精度
- 单传感器即可达厘米级准确度，校准需求极低
- 适合无人机和机器人平台，部署成本低
水位监测对防洪管理、水资源调配和生态评估至关重要，但传统方法成本高且覆盖范围有限。本文探索基于雷达的传感技术作为低成本替代方案，利用其非接触特性及对环境条件的强鲁棒性。在真实野外环境中评估商用雷达传感器，结合统计滤波技术提升精度。结果表明，单个雷达传感器仅需极少校准即可实现厘米级精度，为无人机与机器人平台提供了一种实用的自主水位监测解决方案。
原文摘要 · Abstract (English)
Water level monitoring is critical for flood management, water resource allocation, and ecological assessment, yet traditional methods remain costly and limited in coverage. This work explores radar-based sensing as a low-cost alternative for water level estimation, leveraging its non-contact nature and robustness to environmental conditions. Commercial radar sensors are evaluated in real-world field tests, applying statistical filtering techniques to improve accuracy. Results show that a single radar sensor can achieve centimeter-scale precision with minimal calibration, making it a practical solution for autonomous water monitoring using drones and robotic platforms.
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