Diverse well describes the myriad digital modulation schemes used in modern voice and data communications. The alphabet soup of terminology extends well beyond the familiar QAM and GMSK fundamentals ...

Listening to police and fire calls used to be a pretty simple proposition: buy a scanner, punch in some frequencies — or if you’re old enough, buy the right crystals — and you’re off to the races. It ...

Receive fundamental information on analog and digital modulation methods by downloading this pocket guide. Signal generators play a vital role in electrical test and measurement. They generate the ...

Insights into coherence synthesis in nonlinear optics highlight the role of spatial coherence in shaping second harmonic ...