TY - RPRT TI - Coherent-array imaging using phased subarrays. Part I: basic principles. AU - Jeremy A Johnson AU - Mustafa Karaman AU - Butrus T Khuri-Yakub PY - 2005 DO - 10.1109/tuffc.2005.1397349 UR - https://pubmed.ncbi.nlm.nih.gov/15742561/ ID - 15742561 ER -