Glossary

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Term Definition
D/A
Data Acquisition
Hits: 309
DAB
Digital Audio Broadcasting
Hits: 325
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 252
DAC
Digital to Analogue Convertor
Hits: 254
DALS
Dedicated Line Access
Hits: 277
DAMA
Demand Assigned Multiple Access
Hits: 291
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 289
DASS
Digital Access Signalling Standard
Hits: 290
DAT
Digital Audio Tape
Hits: 279
DATV
Direct Antenna Television
Hits: 276
DAVC
Digital Audio Video Council
Hits: 305
DAVIC
Digital Audio Video Council
Hits: 321
dB
Decibel
Hits: 257
dBc
Decibel relative to Carrier
Hits: 283
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 265
dBi
Decibel relative to isotropic source
Hits: 215
dBK
Decibel relative to 1 deg K
Hits: 277
dBm
Decibel Milliwatt
Hits: 252
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 345
dBm0p
as dBm0 but psophometrically weighted
Hits: 279
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 299
dBmV
decibels relative to 1mV
Hits: 277
DBPSK
Differential Binary Phase-Shift Keying
Hits: 341
DBPT
Deutsche Bundespost Telecom
Hits: 270
DBS
Direct Broadcast Satellite
Hits: 271
dBuV
decibels relative to 1uV
Hits: 251
dBV
decibels relative to 1V
Hits: 256
dBW
Decibel Watt
Hits: 252
DC
Direct Current; Direct Coupler
Hits: 280
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 287
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 294
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 277
DCM
Direct Connect Module
Hits: 318
DCN
Data Communications Network
Hits: 277
DCP
Data Communications Processor
Hits: 278
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 270
DCT
Discrete Cosine Transform
Hits: 251
DD
Dolby Digital
Hits: 290
DDC
Digital Down Converter
Hits: 266
DDCMP
Digital Data Communications Message Protocol
Hits: 332
DDD
Direct long- Distance Dialling
Hits: 282
DDJ
Data Dependent Jitter
Hits: 257
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 291
DE
Discard Eligible
Hits: 303
DEA
Digital Encryption Algorithm
Hits: 238
DECT
Digital Enhanced Cordless Telecommunications
Hits: 242
DES
Data Encryption Standard
Hits: 292
DFB
Distributed Feedback
Hits: 314
DFM
Design For Manufactureability
Hits: 290
DFR
Digital Fault Recorder
Hits: 267
DFSK
Differential Phase Shift Keying
Hits: 284
DFT
Design For Test: Discrete Fourier Transform
Hits: 215
DHCP
Dynamic Host Configuration Protocol
Hits: 303
DIA
Data Interface Adapter
Hits: 284
DID
Direct Inward Dialing
Hits: 312
DIN
Deutsche Industrie Normen
Hits: 293
DisEqC
Digital Satellite Equipment Control
Hits: 278
DIU
Data Interface Unit
Hits: 273
DLC
Digital Loop Carrier: Data Link Control
Hits: 251
DLIC
Data Link Connection Identifier
Hits: 295
DLSw
Data Link Switching
Hits: 278
DM
Delta Modulation
Hits: 342
DMA
Direct Memory Access
Hits: 243
DMB
Digital Multimedia Broadcasting
Hits: 242
DMM
Digital MultiMeter
Hits: 260
DMS
Digital Multiplex Systems
Hits: 268
DMT
Design Maturity Testing; Discrete Multitone
Hits: 256
DNIC
Digital Network Interface Circuit
Hits: 299
DNS
Domain Name System ( Internet )
Hits: 265
DOC
Department of Communications
Hits: 256
DOCSIS
Data Over Cable Service Interface Specification
Hits: 317
DOPSK
Differential Offset Phase Shift Keying
Hits: 368
DOS
Disc Operating System
Hits: 253
DP
Dial Pulsing
Hits: 278
DPAK
Power Transistor Surface Mount Package
Hits: 252
DPCM
Differential Pulse Code Modulation
Hits: 265
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 264
DPM
Digital Processor Module
Hits: 275
DPM2
Digital Processor Module 2
Hits: 306
DPN
Data Packet Network
Hits: 320
DPO
Dial Pulse Originate
Hits: 307
DPSK
Differential Phase Shift Keying
Hits: 279
DPT
Dial Pulse Terminate
Hits: 310
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 259
DR.
Dynamic Range
Hits: 223
DRAGA
Dual Rate Adaption Gate Array
Hits: 274
DRAM
Dynamic Random Access Memory
Hits: 268
DRC
Dynamic Range Control
Hits: 248
DRM
Digital Radio Mondiale
Hits: 327
DS
Digital Signal
Hits: 290
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 299
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 286
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 278
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 275
DS/CDMA
Direct Sequence CDMA
Hits: 322
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 275
DS0
Digital Service level 0
Hits: 285
DSB
Double Sideband Modulation
Hits: 277
DSBSC
Double Sideband Suppressed Carrier
Hits: 292
DSD
Direct Stream Digital
Hits: 259

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