Glossary

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Term Definition
D/A
Data Acquisition
Hits: 426
DAB
Digital Audio Broadcasting
Hits: 460
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 382
DAC
Digital to Analogue Convertor
Hits: 384
DALS
Dedicated Line Access
Hits: 388
DAMA
Demand Assigned Multiple Access
Hits: 422
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 427
DASS
Digital Access Signalling Standard
Hits: 412
DAT
Digital Audio Tape
Hits: 396
DATV
Direct Antenna Television
Hits: 378
DAVC
Digital Audio Video Council
Hits: 423
DAVIC
Digital Audio Video Council
Hits: 443
dB
Decibel
Hits: 376
dBc
Decibel relative to Carrier
Hits: 415
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 405
dBi
Decibel relative to isotropic source
Hits: 326
dBK
Decibel relative to 1 deg K
Hits: 402
dBm
Decibel Milliwatt
Hits: 378
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 498
dBm0p
as dBm0 but psophometrically weighted
Hits: 409
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 427
dBmV
decibels relative to 1mV
Hits: 385
DBPSK
Differential Binary Phase-Shift Keying
Hits: 474
DBPT
Deutsche Bundespost Telecom
Hits: 393
DBS
Direct Broadcast Satellite
Hits: 406
dBuV
decibels relative to 1uV
Hits: 359
dBV
decibels relative to 1V
Hits: 367
dBW
Decibel Watt
Hits: 366
DC
Direct Current; Direct Coupler
Hits: 403
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 396
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 418
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 378
DCM
Direct Connect Module
Hits: 445
DCN
Data Communications Network
Hits: 401
DCP
Data Communications Processor
Hits: 385
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 396
DCT
Discrete Cosine Transform
Hits: 368
DD
Dolby Digital
Hits: 409
DDC
Digital Down Converter
Hits: 378
DDCMP
Digital Data Communications Message Protocol
Hits: 452
DDD
Direct long- Distance Dialling
Hits: 417
DDJ
Data Dependent Jitter
Hits: 354
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 395
DE
Discard Eligible
Hits: 395
DEA
Digital Encryption Algorithm
Hits: 343
DECT
Digital Enhanced Cordless Telecommunications
Hits: 358
DES
Data Encryption Standard
Hits: 413
DFB
Distributed Feedback
Hits: 437
DFM
Design For Manufactureability
Hits: 410
DFR
Digital Fault Recorder
Hits: 379
DFSK
Differential Phase Shift Keying
Hits: 407
DFT
Design For Test: Discrete Fourier Transform
Hits: 315
DHCP
Dynamic Host Configuration Protocol
Hits: 432
DIA
Data Interface Adapter
Hits: 404
DID
Direct Inward Dialing
Hits: 411
DIN
Deutsche Industrie Normen
Hits: 410
DisEqC
Digital Satellite Equipment Control
Hits: 384
DIU
Data Interface Unit
Hits: 417
DLC
Digital Loop Carrier: Data Link Control
Hits: 354
DLIC
Data Link Connection Identifier
Hits: 421
DLSw
Data Link Switching
Hits: 387
DM
Delta Modulation
Hits: 446
DMA
Direct Memory Access
Hits: 354
DMB
Digital Multimedia Broadcasting
Hits: 354
DMM
Digital MultiMeter
Hits: 371
DMS
Digital Multiplex Systems
Hits: 371
DMT
Design Maturity Testing; Discrete Multitone
Hits: 363
DNIC
Digital Network Interface Circuit
Hits: 399
DNS
Domain Name System ( Internet )
Hits: 384
DOC
Department of Communications
Hits: 372
DOCSIS
Data Over Cable Service Interface Specification
Hits: 425
DOPSK
Differential Offset Phase Shift Keying
Hits: 498
DOS
Disc Operating System
Hits: 352
DP
Dial Pulsing
Hits: 396
DPAK
Power Transistor Surface Mount Package
Hits: 366
DPCM
Differential Pulse Code Modulation
Hits: 380
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 376
DPM
Digital Processor Module
Hits: 398
DPM2
Digital Processor Module 2
Hits: 413
DPN
Data Packet Network
Hits: 463
DPO
Dial Pulse Originate
Hits: 435
DPSK
Differential Phase Shift Keying
Hits: 379
DPT
Dial Pulse Terminate
Hits: 421
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 366
DR.
Dynamic Range
Hits: 338
DRAGA
Dual Rate Adaption Gate Array
Hits: 377
DRAM
Dynamic Random Access Memory
Hits: 384
DRC
Dynamic Range Control
Hits: 358
DRM
Digital Radio Mondiale
Hits: 451
DS
Digital Signal
Hits: 399
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 414
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 403
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 381
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 385
DS/CDMA
Direct Sequence CDMA
Hits: 449
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 383
DS0
Digital Service level 0
Hits: 419
DSB
Double Sideband Modulation
Hits: 389
DSBSC
Double Sideband Suppressed Carrier
Hits: 395
DSD
Direct Stream Digital
Hits: 367

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