Glossary

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Term Definition
D/A
Data Acquisition
Hits: 320
DAB
Digital Audio Broadcasting
Hits: 346
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 265
DAC
Digital to Analogue Convertor
Hits: 269
DALS
Dedicated Line Access
Hits: 292
DAMA
Demand Assigned Multiple Access
Hits: 306
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 303
DASS
Digital Access Signalling Standard
Hits: 306
DAT
Digital Audio Tape
Hits: 291
DATV
Direct Antenna Television
Hits: 286
DAVC
Digital Audio Video Council
Hits: 313
DAVIC
Digital Audio Video Council
Hits: 336
dB
Decibel
Hits: 272
dBc
Decibel relative to Carrier
Hits: 297
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 279
dBi
Decibel relative to isotropic source
Hits: 224
dBK
Decibel relative to 1 deg K
Hits: 293
dBm
Decibel Milliwatt
Hits: 269
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 364
dBm0p
as dBm0 but psophometrically weighted
Hits: 295
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 315
dBmV
decibels relative to 1mV
Hits: 287
DBPSK
Differential Binary Phase-Shift Keying
Hits: 356
DBPT
Deutsche Bundespost Telecom
Hits: 281
DBS
Direct Broadcast Satellite
Hits: 296
dBuV
decibels relative to 1uV
Hits: 261
dBV
decibels relative to 1V
Hits: 266
dBW
Decibel Watt
Hits: 268
DC
Direct Current; Direct Coupler
Hits: 297
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 299
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 307
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 288
DCM
Direct Connect Module
Hits: 330
DCN
Data Communications Network
Hits: 292
DCP
Data Communications Processor
Hits: 289
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 282
DCT
Discrete Cosine Transform
Hits: 268
DD
Dolby Digital
Hits: 305
DDC
Digital Down Converter
Hits: 277
DDCMP
Digital Data Communications Message Protocol
Hits: 349
DDD
Direct long- Distance Dialling
Hits: 299
DDJ
Data Dependent Jitter
Hits: 269
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 306
DE
Discard Eligible
Hits: 314
DEA
Digital Encryption Algorithm
Hits: 250
DECT
Digital Enhanced Cordless Telecommunications
Hits: 256
DES
Data Encryption Standard
Hits: 313
DFB
Distributed Feedback
Hits: 331
DFM
Design For Manufactureability
Hits: 309
DFR
Digital Fault Recorder
Hits: 280
DFSK
Differential Phase Shift Keying
Hits: 299
DFT
Design For Test: Discrete Fourier Transform
Hits: 226
DHCP
Dynamic Host Configuration Protocol
Hits: 324
DIA
Data Interface Adapter
Hits: 296
DID
Direct Inward Dialing
Hits: 326
DIN
Deutsche Industrie Normen
Hits: 306
DisEqC
Digital Satellite Equipment Control
Hits: 290
DIU
Data Interface Unit
Hits: 296
DLC
Digital Loop Carrier: Data Link Control
Hits: 262
DLIC
Data Link Connection Identifier
Hits: 312
DLSw
Data Link Switching
Hits: 287
DM
Delta Modulation
Hits: 355
DMA
Direct Memory Access
Hits: 251
DMB
Digital Multimedia Broadcasting
Hits: 255
DMM
Digital MultiMeter
Hits: 271
DMS
Digital Multiplex Systems
Hits: 279
DMT
Design Maturity Testing; Discrete Multitone
Hits: 269
DNIC
Digital Network Interface Circuit
Hits: 310
DNS
Domain Name System ( Internet )
Hits: 273
DOC
Department of Communications
Hits: 267
DOCSIS
Data Over Cable Service Interface Specification
Hits: 328
DOPSK
Differential Offset Phase Shift Keying
Hits: 392
DOS
Disc Operating System
Hits: 266
DP
Dial Pulsing
Hits: 287
DPAK
Power Transistor Surface Mount Package
Hits: 263
DPCM
Differential Pulse Code Modulation
Hits: 280
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 273
DPM
Digital Processor Module
Hits: 288
DPM2
Digital Processor Module 2
Hits: 320
DPN
Data Packet Network
Hits: 338
DPO
Dial Pulse Originate
Hits: 318
DPSK
Differential Phase Shift Keying
Hits: 290
DPT
Dial Pulse Terminate
Hits: 324
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 277
DR.
Dynamic Range
Hits: 233
DRAGA
Dual Rate Adaption Gate Array
Hits: 286
DRAM
Dynamic Random Access Memory
Hits: 277
DRC
Dynamic Range Control
Hits: 263
DRM
Digital Radio Mondiale
Hits: 346
DS
Digital Signal
Hits: 303
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 313
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 299
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 289
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 289
DS/CDMA
Direct Sequence CDMA
Hits: 333
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 283
DS0
Digital Service level 0
Hits: 302
DSB
Double Sideband Modulation
Hits: 292
DSBSC
Double Sideband Suppressed Carrier
Hits: 306
DSD
Direct Stream Digital
Hits: 268

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