TY - RPRT TI - Modeling ultrasound imaging as a linear, shift-variant system. AU - James Ng AU - Richard Prager AU - Nick Kingsbury AU - Graham Treece AU - Andrew Gee PY - 2006 DO - 10.1109/tuffc.2006.1610563 UR - https://pubmed.ncbi.nlm.nih.gov/16555763/ ID - 16555763 ER -