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The technology of recording sound for later reproduction. space vector modulation A control strategy for variable frequency motor drives. spark spread The difference between the revenue from selling a unit of electricity and the cost of the fuel used to make it. spark-gap transmitter
Maestro concertatore: the keyboard continuo player, who prepares singers and leads rehearsals. [ 2 ] Maestro direttore : the leader of the first violins of the orchestra (see concertmaster ), who may also have administrative duties such as hiring and paying musicians.
One of the major differences between a typical MA degree and the MM is that whereas MA degree students often undertake original research and prepare and submit a thesis or similar research document, MM students focus on practical, applied areas, as set out in their MM area of specialization, which are typically instrumental or vocal performance, composition of new music, or conducting.
The roles of a conductor vary a great deal between different conducting positions and different ensembles. In some cases, a conductor will also be the musical director of the symphony, choosing the program for the entire season, including concerts by guest conductors, concerto soloists, pop concerts, and so on.
Electronics engineers typically possess an academic degree with a major in electronics engineering. The length of study for such a degree is usually three or four years and the completed degree may be designated as a Bachelor of Engineering , Bachelor of Science , Bachelor of Applied Science , or Bachelor of Technology depending upon the ...
A semiconductor is a material that is between the conductor and insulator in ability to conduct electrical current. [1] In many cases their conducting properties may be altered in useful ways by introducing impurities ("doping") into the crystal structure.
where is the length of the conductor, measured in metres [m], A is the cross-section area of the conductor measured in square metres [m 2], σ is the electrical conductivity measured in siemens per meter (S·m −1), and ρ is the electrical resistivity (also called specific electrical resistance) of the material, measured in ohm-metres (Ω·m ...
An RF power amplifier incorporating planar circuit structures. The amplifier on the left feeds its output into a set of planar transmission line filters in the centre. The third circuit block on the right is a circulator to protect the amplifier from accidental reflections of the power back from the antenna