Signal original form to a waveform expressed as a current ("I") or a voltage ("V"), or an electromagnetic waveform, for example, an optical signal or radio transmission. Once expressed as an electronic signal, the signal is available for further processing by electrical devices such as electronic amplifiers and electronic filters, and can be transmitted to a remote location by electronic transmitters and received using electronic receivers. In Electrical engineering programs, a class and field of study known as "signals and systems" (S and S) is often seen as the "cut class" for EE careers, and is dreaded by some students as
Improvised Electronic Device leg of the 2011 tour was German electronic music band Digital Factor. "Improvised Electronic Device" garnered some very good reviews, but overall critical reception was only cautiously positive. In light of the band's career spanning decades, critics reflected about how the sound and style of "Improvised Electronic Device" compare to past releases. Mike Schiller of PopMatters emphasized the band's "consistency of sound": "It sounds so much like Front Line Assembly, in fact, that it would have fit right in on just about any Front Line Assembly album since 1994’s "Millennium"." Referring to tracks that borrow elements from songs of earlier