California may soon test children on math as early as kindergarten in effort to curb dismal scores

A bill moving through the California Legislature would test students as early as kindergarten on math. It's part of an effort ...
IEEE

A Fast Near-Field 3-D SAR Imaging Technique With Nonuniform MIMO Linear Array

Abstract: This article presents a fast near-field 3-D imaging algorithm that can be applied to nonuniform multiple-input–multiple-output synthetic aperture radar imaging systems. The proposed method ...