TY - RPRT TI - Development of an MEMS ultrasonic microphone array system and its application to compressed wavefield imaging of concrete AU - Song, Homin AU - Park, Jongwoong (ORCID:0000000258997769) AU - Popovics, John S. PY - 2020 DO - 10.1088/1361-665x/ababe5 UR - https://www.osti.gov/biblio/1850459 ID - 1850459 ER -