In the latest releases of both my ebooks on backups (“Take Control of Mac OS X Backups” and “Take Control of Easy Backups in Leopard“), I include sidebars titled “(Sparse) Bundles of Joy,” in which I ...

One useful OS X feature is the ability to create disk images. A disk image is a single file that, when double-clicked, appears like a typical hard drive to the operating system. (Most software you ...

Compared with traditional matched filtering (MF) based methods, sparse synthetic aperture radar (SAR) imaging could obtain high-quality images of sparse surveillance regions from down-sampled echo ...