RJCC Definitions Flashcards
(7 cards)
1
Q
Analogue
A
Relating to or using signals or information represented by a continuously variable quantity such as spatial position, voltage etc.
2
Q
Digital
A
Expressed as either 0 or 1.
3
Q
Carrier
A
A periodic waveform that is modulated with a signal for the purpose of conveying information.
4
Q
Symbol
A
A waveform, a state, or a significant condition of a communication channel that persists for a fixed period of time.
5
Q
Modulation rate
A
Number of symbol events per unit of time. Measured in Baud (Bd) (Symbols per second).
6
Q
Intermediate frequency (IF)
A
A frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.
7
Q
Hertz (Hz)
A
Number of complete wavelengths per second. 1/t(s).
