This series is drawn from the course “DSP Made Simple for Engineers.” For more information, see Besser Associates. This article is also available as a PDF Part 2 introduces quadrature (complex) ...

Figure 4. A snapshot, in time, of two complex numbers whose exponents, and thus their phase angles, change with time. The notion of negative frequency is often troubling to engineers who've spent so ...

Electrical engineering students rarely leave college with knowledge depth in both digital electronics and RF/microwave theory. The new engineer with digital design skills likely chose that path from a ...