Glossary

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Term Definition
D/A
Data Acquisition
Hits: 390
DAB
Digital Audio Broadcasting
Hits: 430
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 340
DAC
Digital to Analogue Convertor
Hits: 354
DALS
Dedicated Line Access
Hits: 359
DAMA
Demand Assigned Multiple Access
Hits: 389
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 390
DASS
Digital Access Signalling Standard
Hits: 375
DAT
Digital Audio Tape
Hits: 362
DATV
Direct Antenna Television
Hits: 348
DAVC
Digital Audio Video Council
Hits: 388
DAVIC
Digital Audio Video Council
Hits: 414
dB
Decibel
Hits: 336
dBc
Decibel relative to Carrier
Hits: 371
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 347
dBi
Decibel relative to isotropic source
Hits: 283
dBK
Decibel relative to 1 deg K
Hits: 367
dBm
Decibel Milliwatt
Hits: 344
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 442
dBm0p
as dBm0 but psophometrically weighted
Hits: 375
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 390
dBmV
decibels relative to 1mV
Hits: 349
DBPSK
Differential Binary Phase-Shift Keying
Hits: 437
DBPT
Deutsche Bundespost Telecom
Hits: 355
DBS
Direct Broadcast Satellite
Hits: 375
dBuV
decibels relative to 1uV
Hits: 324
dBV
decibels relative to 1V
Hits: 337
dBW
Decibel Watt
Hits: 329
DC
Direct Current; Direct Coupler
Hits: 361
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 357
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 378
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 347
DCM
Direct Connect Module
Hits: 404
DCN
Data Communications Network
Hits: 365
DCP
Data Communications Processor
Hits: 349
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 369
DCT
Discrete Cosine Transform
Hits: 342
DD
Dolby Digital
Hits: 381
DDC
Digital Down Converter
Hits: 347
DDCMP
Digital Data Communications Message Protocol
Hits: 420
DDD
Direct long- Distance Dialling
Hits: 380
DDJ
Data Dependent Jitter
Hits: 324
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 364
DE
Discard Eligible
Hits: 369
DEA
Digital Encryption Algorithm
Hits: 318
DECT
Digital Enhanced Cordless Telecommunications
Hits: 328
DES
Data Encryption Standard
Hits: 381
DFB
Distributed Feedback
Hits: 401
DFM
Design For Manufactureability
Hits: 384
DFR
Digital Fault Recorder
Hits: 346
DFSK
Differential Phase Shift Keying
Hits: 375
DFT
Design For Test: Discrete Fourier Transform
Hits: 289
DHCP
Dynamic Host Configuration Protocol
Hits: 398
DIA
Data Interface Adapter
Hits: 364
DID
Direct Inward Dialing
Hits: 387
DIN
Deutsche Industrie Normen
Hits: 384
DisEqC
Digital Satellite Equipment Control
Hits: 354
DIU
Data Interface Unit
Hits: 386
DLC
Digital Loop Carrier: Data Link Control
Hits: 325
DLIC
Data Link Connection Identifier
Hits: 390
DLSw
Data Link Switching
Hits: 360
DM
Delta Modulation
Hits: 417
DMA
Direct Memory Access
Hits: 320
DMB
Digital Multimedia Broadcasting
Hits: 322
DMM
Digital MultiMeter
Hits: 335
DMS
Digital Multiplex Systems
Hits: 341
DMT
Design Maturity Testing; Discrete Multitone
Hits: 326
DNIC
Digital Network Interface Circuit
Hits: 371
DNS
Domain Name System ( Internet )
Hits: 355
DOC
Department of Communications
Hits: 340
DOCSIS
Data Over Cable Service Interface Specification
Hits: 392
DOPSK
Differential Offset Phase Shift Keying
Hits: 464
DOS
Disc Operating System
Hits: 323
DP
Dial Pulsing
Hits: 368
DPAK
Power Transistor Surface Mount Package
Hits: 341
DPCM
Differential Pulse Code Modulation
Hits: 350
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 339
DPM
Digital Processor Module
Hits: 364
DPM2
Digital Processor Module 2
Hits: 385
DPN
Data Packet Network
Hits: 421
DPO
Dial Pulse Originate
Hits: 393
DPSK
Differential Phase Shift Keying
Hits: 351
DPT
Dial Pulse Terminate
Hits: 390
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 339
DR.
Dynamic Range
Hits: 301
DRAGA
Dual Rate Adaption Gate Array
Hits: 349
DRAM
Dynamic Random Access Memory
Hits: 348
DRC
Dynamic Range Control
Hits: 326
DRM
Digital Radio Mondiale
Hits: 415
DS
Digital Signal
Hits: 368
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 379
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 375
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 352
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 353
DS/CDMA
Direct Sequence CDMA
Hits: 409
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 348
DS0
Digital Service level 0
Hits: 385
DSB
Double Sideband Modulation
Hits: 356
DSBSC
Double Sideband Suppressed Carrier
Hits: 368
DSD
Direct Stream Digital
Hits: 338

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