Glossary

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Term Definition
D/A
Data Acquisition
Hits: 590
DAB
Digital Audio Broadcasting
Hits: 586
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits: 532
DAC
Digital to Analogue Convertor
Hits: 519
DALS
Dedicated Line Access
Hits: 515
DAMA
Demand Assigned Multiple Access
Hits: 556
DAPSK
Differential Amplitude Phase Shift Keying
Hits: 561
DASS
Digital Access Signalling Standard
Hits: 559
DAT
Digital Audio Tape
Hits: 529
DATV
Direct Antenna Television
Hits: 503
DAVC
Digital Audio Video Council
Hits: 556
DAVIC
Digital Audio Video Council
Hits: 571
dB
Decibel
Hits: 520
dBc
Decibel relative to Carrier
Hits: 551
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits: 546
dBi
Decibel relative to isotropic source
Hits: 459
dBK
Decibel relative to 1 deg K
Hits: 538
dBm
Decibel Milliwatt
Hits: 511
dBm0
Decibel relative to 1mW at point of zero reference level
Hits: 646
dBm0p
as dBm0 but psophometrically weighted
Hits: 536
dBm0ps
as dBm0p but weighted for audio transmission
Hits: 569
dBmV
decibels relative to 1mV
Hits: 510
DBPSK
Differential Binary Phase-Shift Keying
Hits: 606
DBPT
Deutsche Bundespost Telecom
Hits: 534
DBS
Direct Broadcast Satellite
Hits: 532
dBuV
decibels relative to 1uV
Hits: 492
dBV
decibels relative to 1V
Hits: 511
dBW
Decibel Watt
Hits: 498
DC
Direct Current; Direct Coupler
Hits: 531
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits: 552
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits: 557
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits: 498
DCM
Direct Connect Module
Hits: 572
DCN
Data Communications Network
Hits: 538
DCP
Data Communications Processor
Hits: 508
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits: 515
DCT
Discrete Cosine Transform
Hits: 499
DD
Dolby Digital
Hits: 547
DDC
Digital Down Converter
Hits: 504
DDCMP
Digital Data Communications Message Protocol
Hits: 581
DDD
Direct long- Distance Dialling
Hits: 546
DDJ
Data Dependent Jitter
Hits: 472
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits: 521
DE
Discard Eligible
Hits: 534
DEA
Digital Encryption Algorithm
Hits: 467
DECT
Digital Enhanced Cordless Telecommunications
Hits: 492
DES
Data Encryption Standard
Hits: 554
DFB
Distributed Feedback
Hits: 569
DFM
Design For Manufactureability
Hits: 539
DFR
Digital Fault Recorder
Hits: 515
DFSK
Differential Phase Shift Keying
Hits: 529
DFT
Design For Test: Discrete Fourier Transform
Hits: 440
DHCP
Dynamic Host Configuration Protocol
Hits: 539
DIA
Data Interface Adapter
Hits: 514
DID
Direct Inward Dialing
Hits: 511
DIN
Deutsche Industrie Normen
Hits: 515
DisEqC
Digital Satellite Equipment Control
Hits: 472
DIU
Data Interface Unit
Hits: 523
DLC
Digital Loop Carrier: Data Link Control
Hits: 456
DLIC
Data Link Connection Identifier
Hits: 532
DLSw
Data Link Switching
Hits: 476
DM
Delta Modulation
Hits: 548
DMA
Direct Memory Access
Hits: 449
DMB
Digital Multimedia Broadcasting
Hits: 446
DMM
Digital MultiMeter
Hits: 485
DMS
Digital Multiplex Systems
Hits: 473
DMT
Design Maturity Testing; Discrete Multitone
Hits: 467
DNIC
Digital Network Interface Circuit
Hits: 492
DNS
Domain Name System ( Internet )
Hits: 495
DOC
Department of Communications
Hits: 478
DOCSIS
Data Over Cable Service Interface Specification
Hits: 515
DOPSK
Differential Offset Phase Shift Keying
Hits: 591
DOS
Disc Operating System
Hits: 463
DP
Dial Pulsing
Hits: 495
DPAK
Power Transistor Surface Mount Package
Hits: 450
DPCM
Differential Pulse Code Modulation
Hits: 468
DPDT
Double-Pole, Double-Throw ( switch )
Hits: 468
DPM
Digital Processor Module
Hits: 500
DPM2
Digital Processor Module 2
Hits: 496
DPN
Data Packet Network
Hits: 567
DPO
Dial Pulse Originate
Hits: 536
DPSK
Differential Phase Shift Keying
Hits: 466
DPT
Dial Pulse Terminate
Hits: 518
DQPSK
Differential Quadrature Phase Shift Keying
Hits: 457
DR.
Dynamic Range
Hits: 445
DRAGA
Dual Rate Adaption Gate Array
Hits: 464
DRAM
Dynamic Random Access Memory
Hits: 488
DRC
Dynamic Range Control
Hits: 455
DRM
Digital Radio Mondiale
Hits: 548
DS
Digital Signal
Hits: 508
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits: 505
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits: 518
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits: 467
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits: 480
DS/CDMA
Direct Sequence CDMA
Hits: 535
DS/PPM
Direct Sequence Pulse Position Modulation
Hits: 487
DS0
Digital Service level 0
Hits: 512
DSB
Double Sideband Modulation
Hits: 490
DSBSC
Double Sideband Suppressed Carrier
Hits: 484
DSD
Direct Stream Digital
Hits: 464

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