Glossary

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Term Definition
D/A
Data Acquisition
Hits: 357
DAB
Digital Audio Broadcasting
Hits: 395
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 303
DAC
Digital to Analogue Convertor
Hits: 311
DALS
Dedicated Line Access
Hits: 322
DAMA
Demand Assigned Multiple Access
Hits: 342
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 349
DASS
Digital Access Signalling Standard
Hits: 339
DAT
Digital Audio Tape
Hits: 326
DATV
Direct Antenna Television
Hits: 316
DAVC
Digital Audio Video Council
Hits: 346
DAVIC
Digital Audio Video Council
Hits: 375
dB
Decibel
Hits: 306
dBc
Decibel relative to Carrier
Hits: 332
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 315
dBi
Decibel relative to isotropic source
Hits: 253
dBK
Decibel relative to 1 deg K
Hits: 332
dBm
Decibel Milliwatt
Hits: 305
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 406
dBm0p
as dBm0 but psophometrically weighted
Hits: 335
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 353
dBmV
decibels relative to 1mV
Hits: 317
DBPSK
Differential Binary Phase-Shift Keying
Hits: 406
DBPT
Deutsche Bundespost Telecom
Hits: 319
DBS
Direct Broadcast Satellite
Hits: 343
dBuV
decibels relative to 1uV
Hits: 292
dBV
decibels relative to 1V
Hits: 302
dBW
Decibel Watt
Hits: 302
DC
Direct Current; Direct Coupler
Hits: 331
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 328
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 347
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 314
DCM
Direct Connect Module
Hits: 378
DCN
Data Communications Network
Hits: 333
DCP
Data Communications Processor
Hits: 320
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 334
DCT
Discrete Cosine Transform
Hits: 300
DD
Dolby Digital
Hits: 348
DDC
Digital Down Converter
Hits: 314
DDCMP
Digital Data Communications Message Protocol
Hits: 389
DDD
Direct long- Distance Dialling
Hits: 340
DDJ
Data Dependent Jitter
Hits: 301
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 334
DE
Discard Eligible
Hits: 346
DEA
Digital Encryption Algorithm
Hits: 286
DECT
Digital Enhanced Cordless Telecommunications
Hits: 294
DES
Data Encryption Standard
Hits: 349
DFB
Distributed Feedback
Hits: 369
DFM
Design For Manufactureability
Hits: 348
DFR
Digital Fault Recorder
Hits: 316
DFSK
Differential Phase Shift Keying
Hits: 336
DFT
Design For Test: Discrete Fourier Transform
Hits: 260
DHCP
Dynamic Host Configuration Protocol
Hits: 365
DIA
Data Interface Adapter
Hits: 336
DID
Direct Inward Dialing
Hits: 364
DIN
Deutsche Industrie Normen
Hits: 351
DisEqC
Digital Satellite Equipment Control
Hits: 323
DIU
Data Interface Unit
Hits: 345
DLC
Digital Loop Carrier: Data Link Control
Hits: 293
DLIC
Data Link Connection Identifier
Hits: 357
DLSw
Data Link Switching
Hits: 322
DM
Delta Modulation
Hits: 383
DMA
Direct Memory Access
Hits: 284
DMB
Digital Multimedia Broadcasting
Hits: 289
DMM
Digital MultiMeter
Hits: 305
DMS
Digital Multiplex Systems
Hits: 307
DMT
Design Maturity Testing; Discrete Multitone
Hits: 299
DNIC
Digital Network Interface Circuit
Hits: 342
DNS
Domain Name System ( Internet )
Hits: 317
DOC
Department of Communications
Hits: 305
DOCSIS
Data Over Cable Service Interface Specification
Hits: 361
DOPSK
Differential Offset Phase Shift Keying
Hits: 430
DOS
Disc Operating System
Hits: 294
DP
Dial Pulsing
Hits: 334
DPAK
Power Transistor Surface Mount Package
Hits: 305
DPCM
Differential Pulse Code Modulation
Hits: 319
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 310
DPM
Digital Processor Module
Hits: 332
DPM2
Digital Processor Module 2
Hits: 357
DPN
Data Packet Network
Hits: 381
DPO
Dial Pulse Originate
Hits: 357
DPSK
Differential Phase Shift Keying
Hits: 326
DPT
Dial Pulse Terminate
Hits: 361
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 308
DR.
Dynamic Range
Hits: 271
DRAGA
Dual Rate Adaption Gate Array
Hits: 317
DRAM
Dynamic Random Access Memory
Hits: 312
DRC
Dynamic Range Control
Hits: 295
DRM
Digital Radio Mondiale
Hits: 383
DS
Digital Signal
Hits: 337
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 350
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 340
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 323
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 322
DS/CDMA
Direct Sequence CDMA
Hits: 370
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 316
DS0
Digital Service level 0
Hits: 350
DSB
Double Sideband Modulation
Hits: 324
DSBSC
Double Sideband Suppressed Carrier
Hits: 341
DSD
Direct Stream Digital
Hits: 305

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