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belzebalex

joined 8/17/18, 4:06 PM has 218 karma

• How I built the world's first 3D ultrasonic scanner

  by belzebalex on 5/8/21, 9:19 PM, with 44 comments

• Ask HN: Help on SAR/deconvolution for an ultrasonic phased array radar

  by belzebalex on 4/24/21, 8:15 PM, with 6 comments