As far back as the year 2000, a bookstore on Charing Cross Road in central London bore a sign that said "Any Amount of Books." These days one often hears people conflate not only "amount" and "number" ...
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 ...
Digital Signal Processing (DSP) was, a few decades ago, a relatively obscure field associated with the mathematics of numerical analysis. As computers have become cheaper and faster, it is now ...
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