{"type": "article", "title": "I built a mmWave material classification radar", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-built-a-mmwave-material-classification-radar", "original_source": "https://gauthier-lechevalier.com/radar", "published": "2026-06-30T17:29:36+00:00", "accessed": "2026-06-30", "id": "i-built-a-mmwave-material-classification-radar"}