Hardware-design engineers have long recognized the usefulness of RC lowpass filters (Figure 1). Lowpass filters are useful for performing signal conditioning, removing noise from a signal, or ...

Duke University researcher Romit Roy Choudhury is working on an application called UnLoc (for “unsupervized localization”) that uses recursion, filtering, and “invisible landmarks” to work out your ...

Compared to their analog counterparts, digital filters offer outstanding performance and flexibility. Designing digital filters can seem a daunting task, however, because of its seemingly endless ...