Satellite digital TV technology commonly used abbreviations

AAS (AutomaTIc Addressing System) automatic addressing system

ABR (Available Bit Rate)

ACU (Antenna Control Unit) antenna controller

ACI (Adjacent-Channel Interference) adjacent frequency interference

A / D (Anolog to Digital Conversion)

AFC (AutomaTIc Frequency Control) automatic frequency control

AFC (Audio Frequency Control) audio encoder

AFT (AutomaTIc Frequency Tune) automatic frequency tuning

AGC (AutomaTIc Gain Control) automatic gain control

AM (Amplotude Modulation) AM

ANT (Antenna) antenna

ASIC (Application Specific Integrated Circuit)

ASW (Acoustic Surface Wave)

AU (Adapter Unit) adapter, add-on

AUL (Average Useful Life)

B (Baud) Baud (Byte) byte

B (bit) bit

BB (Baseband) baseband

BER (Bit Error Rate) bit error rate, bit error rate

BF or BPF (Band-pass Filter) band-pass filter

BPS (bps) (Bits Per Second)

BPSK (Biphase Shift Keying)

BS (Broadcast Satellite) broadcast satellite

BSS (Broadcast Satellite Service) broadcast satellite service

C / Ku-Band Compatible C / K band compatible

CAS (Conditional Access System) conditional access system

C Band (4 GHz to 6 GHz) C band (4 GHz to 6 GHz)

CCIR (International Radio Consultative Committee) Former International Radio Consultative Committee

CCITT (Consultative Committee, International Telegraph and Telephone)

CDV (Compressed Digital Video) compressed digital video

CH (Channel) channel, channel, channel

CHI (Channel Interface) channel interface

CHIO (Cannel Input / Output) channel input / output

CM (Communication Mutiplexer) communication multiplexer (Cross Modulation) cross regulator system

C / N (Carrier / Noise) carrier (wave) noise (sound) ratio

CN (Communication Network) communication network

CNR (C / N) (Carrier to Noise Ration)

CODEC (codec) (Coder-Decode) codec

COFDM (Coded Orthogonal Frequency Devision Multiplexing) coded orthogonal frequency division multiplexing

COMSAT (Communications Satellite Corporation)

CP (Circular Polarization)

CP (Circular Polarigation)

CPU (Central Processing Unit)

CPW (Circular Polargation Wave)

CS (Communication Satellite)

D / A (Digital / Analog Conversion)

DAC (Digital / Analog Conversion)

dB (deciBel) decibel, which represents the logarithmic proportional value

dBi (dB antenna gain relative to anisotroppoc source) antenna gain (relative to isotropic radiation source)

DBS (dB power relative to one watt) live satellite

dBW (dB power relative to one mili watt) dB value relative to 1W power

dBm (dB power relative to one mili watt) dB value of power relative to 1mw

DC (Direct Current)

D / C (Down Convertor) down converter

DE (De-emphasis) de-emphasis

Demod (Demodulation) demodulation

Domsat (Domestic Communi-Salellile) domestic communication satellite

DG (Differential Gain) differential gain

DPX (Diplexer) duplexer

DSNG (Digital Satellite News Gather)

DSP (Digital Satellite Processor) digital signal processing

DSR (Digital Satellite Radio)

DSS (Digital Satellite System) digital system

DTH (Direct to home) live broadcast to home

DHI (Data Transmission Interface)

DTSC (Digital Television Standard Converter)

DTV (Digital Television)

DVB (Digital Video Broadcasting) Digital Video Broadcasting (Digital Video Bandwidth)

ECC (Emitter Correction Code)

ECS (European Communications Satellite)

EIRP (Effective Isotropic Radiation Power) equivalent isotropic radiation power

ED (Energy Dispersal)

EMM (Entitlement Management Message) authorization management information

ENDE (Encoder / DECoder) codec

ENG (Electronic News Gathering) electronic news gathering

ENI (Equivalent Noise Input) equivalent noise input

EPG (Electronic Programme Guides)

ERP (Echo Return Loss)

ES (Earth Station) Elementary Stream elementary stream

ESCR (Elementary Stream Clock Reference) basic stream clock reference

f / D (Focal-Length-to-Diameter ratio of a reflector) ratio of the focal length of the parabolic reflection surface of the satellite to the antenna aperture

FDM (Frequency Division Multiple)

FDMA (Frequency Division Multiple Access)

FE (Front End) front end

FEC (Forward Error Correction)

FECR (Forward Error Corretion Rate)

FF (Feed Forward)

FLL (Frequency Locked Loop) frequency locked loop

FM (Frequency Modulation)

FM Threshold FM threshold

FSS (Fixed Satellite Service) geostationary satellite service

GaAs (Gallium Arsenide)

Gb (Gigabit)

Gbps (Gigabits / Second) Gigabits / second

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