Microwave Radio Communications LLC CR2TX2AD Manuale Utente
Glossary
B-2
CodeRunner 2 Operator’s Guide/Tech Ref Manual
Composite
(Baseband)
(Baseband)
A band or grouping of frequencies and/or subcarriers,
including video, occupied by the signal in a radio
transmission system. Also called Baseband.
including video, occupied by the signal in a radio
transmission system. Also called Baseband.
Composite
Video
Video
Video signal in which the chrominance (color) and
luminance (brightness) information are combined in
one signal. S-Video separates the chrominance and
luminance into separate signals.
luminance (brightness) information are combined in
one signal. S-Video separates the chrominance and
luminance into separate signals.
CSI
Channel-State Information
CW
Carrier Wave
DAB
Digital Audio Broadcasting
dB
Decibel. A logarithmic measurement, applied to
audio and RF signals.
audio and RF signals.
dBm
A unit of measurement referenced to one milliwatt.
DFT
Discrete Fourier Transform
DMUX,
DEMUX
DEMUX
Demultiplexer
DQPSK
Differential Quadrature (Quaternary) Phase-Shift
Keying
Keying
Duplex
A channel capable of transmitting information
simultaneously in either direction.
simultaneously in either direction.
DVB
Digital Video Broadcasting
DVB-S
Digital Video Broadcasting - Satellite
DVB-T
Digital Video Broadcasting - Terrestrial
E1
2.048 Mbps traffic rate.
EIA
Electronic Industries Association, an industry
association that establishes various standards.
association that establishes various standards.
EMC
Electromagnetic compatibility.
ERRS
Errors.
ESD
Electrostatic discharge.
Table B-1: Useful Terms (Continued)
ETSI
European Telecommunications Standards Institute
FCC
Federal Communications Commission, the United
State's communications regulatory agency.
State's communications regulatory agency.
FDM
Frequency Division Multiplexing
FFT
Fast Fourier Transform
FIFO
First in, first out buffer.
FIR
Finite Impulse Response.
FLR
MRC's model designation for frequency modulated
(FM) remodulating radio systems from 2 to 15 GHz.
FLR2 is the 2 GHz band version; FLR4, the 4 GHz
band version, etc.
(FM) remodulating radio systems from 2 to 15 GHz.
FLR2 is the 2 GHz band version; FLR4, the 4 GHz
band version, etc.
FMT
FM Video Modulator
FPGA
Field Programmable Gate Array.
FSK
Frequency-Shift Keying
GND
Ground.
H/W
Hardware.
HDB3
High Density Bipolar 3 line code format for traffic
data.
data.
HPF
High Pass Filter.
I
In phase
ICI
Inter-Carrier Interference
ID
Identification.
IDU
Indoor Unit
IF
Intermediate Frequency.
Table B-1: Useful Terms (Continued)