## Electronics (Mike Jaroch)

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### D

#### D'ARSONVAL METER MOVEMENT

The permanent-magnet moving-coil movement used in most meters [3] [16].

 Keyword(s): D'ARSONVAL METER MOVEMENT

#### DAMPED WAVE

A sinusoidal wave in which the amplitude steadily decreases with time. Often
associated with energy loss [9].

 Keyword(s): DAMPED WAVE

#### DAMPING

(1) The process of smoothing out oscillations. (2) In a meter, this process is used to keep the pointer of the meter from overshooting the correct reading [3]. (3) A mechanical or electrical technique used in synchro receivers to prevent the rotor from oscillating or spinning. Damping is also used in
servosystems to minimize overshoot of the load [15] [16].

 Keyword(s): DAMPING

#### DATA PROCESSING

The execution of a systematic sequence of operations performed upon data.
Synonymous with information processing [13].

 Keyword(s): DATA PROCESSING

#### DATA TRANSMISSION

The transfer of information from one place to another or from one part of a
system to another [15].

 Keyword(s): DATA TRANSMISSION

#### dBm

An abbreviation used to represent power levels above or below a 1-milliwatt reference [16].
 Keyword(s): dBm

A short circuit having minimum resistance [1].

#### DECIMAL

Pertaining to the number representation system with a radix of ten [13].
 Keyword(s): DECIMAL

#### DECIMAL DIGIT

In decimal notation, one of the characters 0 through 9 [13].
 Keyword(s): DECIMAL DIGIT