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    ǰλã gYԴ  
 
QҊӢĿs~
ҊQͬ
ͬӢZɫB
xӢĺͬ
CеӢZ~R
؛ͬ
N۴_J
N۴fh
 ЇՈ~
 CеӢZ~R
 ͨӢZsZ(1)
ͨӢZsZ(2)
 ~R
   
 HMQ׸
 Q׽M
 QҊӢĿs~
 Q~R
 ҊQͬ
  ؛ͬ
N۴_J1
N۴_J2
N۴fh
 
 

ӢĿsZ

ӢȫQ

Ԣ

3C

Computer Communication Control

ӋCͨӍͿ

3C

Control Communication Creation

ͨӍ̈́

3G

3 Generation

Ƅͨ

3R

Regenration Reshaping Retiming

κضr

3W

World Wide Web fSW

4-level FM

4-level frequency modulation

ƽ{l

A/D

Analogue to Digital Converter

ģDQ

AA Auto Answer Ԅӑ
AA

Adaptive Antenna

m쾀һN쾀ṩֱָĿ˵IJ܉SĿƄԄ{ʵҲQ쾀

AA

Assert Acknowledge

ԑ

AAA

Authentication,Authorization,Accounting

JCڙӋM

AAD

Address Adder

ַӷ

AB

Arithmetic Bus

\㿂

AB

Address Bus

ַ

ABC

Automation of Bibliography through Computerzation ӋCԄӾĿ

ABR

Available Bit Rate

ñ

AC

Address Carry

ַMλ

AC

Access Cycle

AC

Authentication Centre

b

AC

the Atlantic Cable

󺣵|

AC

Add Carry

ӷMλ

AC

Access Code

惦a

AC

Access Control

ACCH

Associated Control Channel

S·ŵ

ACD

Automatic Call Distribution

ԄӺз

A-CDMA

Asynchronous Code Division Multiple Access

aֶַ

ACI

Adjacent-Channel Interference

lɔ_

ACIR

Adjacent Channel Interference Ratio

ŵɔ_

ACK

ACKnowledgement

_J

ACL

Asynchronous Connectionless Link

oB

ACLR

Adjacent Channel Leakage Ratio

ŵй©

ACLR

Adjacent Channel Leakage Power Ratio

ŵй©ʱ

acoustic amplitude logger

acoustic amplitude logger

•Ȝyx

ACP

Adjacent Channel Power

acquisition time

acquisition time

ȡrg

ACR

Allowed Cell Rate

ACR

Average Cell Rate

ƽԪ

ACU

Antenna Combining Unit

쾀MφԪ

ACU

Acknowledgement Signal Unit

C̖Ԫʾ_ػe`ؽյһׂ̖Ԫ̖Ϣ̖Ԫ

ACU

Antenna Control Unit

ADC

Analog-to-Digital Converter

DQ

ADC; DAMPS

North America digital cellular system

ַCϵy

ADFE

Automatic Decree Feedback Equalizer

mЛQһNЛQ̖^ݔ̖•^̖Ӱ푵ľg

ADM

Add Drop Multiplexer

ֲһN͵ľWjԪͬÆԪֽ͔BӹܾCһw

ADM

Add-Drop Multiplexer

ADPCM

Adaptive Differential Pulse Code Modulation

m}_a{

ADR

Analogue-Digital Recorder

ģM-ӛ
ADR

Address Digit Receiver

ֵַ

ADR

Advisory Route

ADR

Analogue Data Recognition

ģMRe

ADRC

Automatic Call Distribution Remote Capture

ԄӺз䣨ֲh̽ث@

ADSL

asymmetric digital subscriber line

ADSL

Asymetric Digital Subscriber Loop

njQÑh·g

ADSS

All Dielectric self-support

ȫ|Գʽ|Ҫڏ늈пļӏԪǽٶǷ]ͲwSϣFRP

AEB

Analog Expansion Bus

ģMUչ

AEIR

Application Entity Installer and Remover

ÌwbͲ

AFC

Automatic Frequency Control

Ԅlʿ

AFT

Automatic Frequency Tune

Ԅl{C

AG

Audio Gateway

ZWP

AGC

Automatic Gain Control

Ԅ

AGCH

Access Grant Channel

Smŵ

AIS

Alarm Indication Signal

澯ָʾ̖

AIUR

Air Interface User Rate

нӿÑ

AJ

Anti-Jamming

ɔ_

AKA

Authentication and Key Agreement

alarm summery panel

alarm summery panel

󾯅R

ALC

Auto Level Control

Ԅƽ

ALS

Automatic Laser Shutdown

ԄӼP]ι|_r|·ϵyϵALS܉ԄP]

ALT

Automatic Link Transfer

Ԅ·D

AM

Amplitude Modulation

{

AM/CM

Administration Module/Communication Module

/ͨ??
AM-ADDR

Active Member Address

ӵijɆTַ

AMI

Aliernate Mark Inversion Code

̖Da

AMI

Alternate Mark Inversion

̖淴DaһNւݔгõľag߉݋0ɿƽʾ߉݋1ɽ淴Dؓ늉ʾ

AMPS

Aduanced Mobile Phone System

ߘOƄԒϵy

AMPS

Advanced Mobile Phone Institute

MƄԒI

AMR

Automatic Meter Reading

Ԅӳ

AMR

Adaptive Multi Rate

m

AMRC

Adaptive Multirate Codec

maʾga

AN

Access Node

빝c

ANSI

American National Standard Institute

Ҙ˜ʾ

AN-SMF

AN system management function

Wϵy

AN-SMF

Access Network System Management Function

Wϵy

ANT

Antenna

AON

Active Optical Network

ԴWjһccĹͨžWjONUOLT͹wݔ·M
AON

All Optical Net

ȫWǾWֱÑc֮g̖ͨȻʽ˵˵ȫ·g]йDQ@Wȹ̖Ӿ͛]йDQϵKϢf^̟o挦̎Ϣyߵy

AON

All Optical Network

ȫwWj

AOWC

All Optical Wave Converter

ȫⲨLDQָ^ֱ̎ӰϢһⲨLDQһL

AP

Access Point

c

APD

Avalanche Diode

ѩ늶OѩЧʹõĸ`ȵ̽y

APD

Avalanche Photo Detector

ѩ̽y

API

Application Programming Interface

þ̽ӿ

APOC

Advanced Paging Operator Code

Ma

APON

ATM Passive Optical Network

oԴWjһNYATMIն֧͟oԴWj͸ݔLhQ

APON

ATM-Based PON

ATMoԴWj

APP

A Posteriori Probability

APR

Automatic Programming and Recording

ԄӳOӋcӛ

APR

Automatic Position Reporting

ԄλÈ

APS

Automatic Protection Switching

Ԅ??/p>
APSK

Absolute Phase Shift Keying

^I

AR

Alternative Routing

ػ·x

AR

Agent Request

Ո

AR

Access Rate

ARA

Average Response Amplitude

ƽ푑

AR-ADDR

Access Request Address

LՈַ

ARB

All Routes Busy

·ȫæ

ARC

Alternative Route Cancel

ػ·

ARC

Automatic Remote Control

Ԅ??/p>
ARDT

Automatic Remote Data Terminal

Ԅh˔K

ARF

Access to the Resources Function

YԴL

ARFCN

Absolute Radio Frequency Channel Number

ȫğolŵ̖a

ARFCN

Absolute RF Channel Number

^l̖ʾĽ^lŵ̖

ARI

Access Rights Identity

ȡRe

ARIB

Association of Radio Industry Businesses

oИIIf

ARL

Acceptable Reliability Level

ϸĿɿԣ˜ʣ

ARM

Asynchronous Response Mode

ʽ

ARP

Address Resolution Protocol

ַfh

ARPA

Advanced Research Projects Agency

()߼оӋ

ARPANET

Advanced Research Projects Agency Network

)߼оӋWjW

ARPANET

Advanced Research Projects Agency NETwork

(߼оҎ־Wj

ARPS

Advanced Real-Time Processing System

߼r̎ϵy

ARQ

Automatic Repeat Request

Ԅ؏Ո

ARS

Address Resolution Server

ַ

ART

Alarm Reporting Telephone

Ԓ

ART

Average Restoration Time

ƽ֏͕rg

AS

Anti-Spoofing

_ͨ^PaMмֹ̎ڙÑɔ_ʹPaMи߾ȶλ

ASCI

Advanced Speed Call

GSM phaseII+ ˜ָ˜IаȼIգeMLPPԒVИIգVBSZMИIգVGCSȌƄͨŵĻI

ASE

Application Service Element

÷ՆԪچ΂“ϵόһָĿ鑪ÌwõĻͨṩһMISO 9545

ASEAT

Autoregressive Spectral Estimation Acquisition Technique ԻؚwlVӋ@g

ASIC

Application Specific Integrated Circuit

ü·

ASK

Amplitude Shift Keying

IأIأ

ASK

Amplitude Shift Keying,Amplitude Shift modulation

I

ASN.1

Abstract Syntax Notation One

Zxڲ_ϵyOSIͨŅfhÁZһNZ

ASON

Automatic Switched Optical Network

ԄӽQWj

ASP

Application Service Provider

÷ṩ

ASR

Automatic Send-Receiver

ԄհlC

ASR

Automatic Send and Receive

Ԅհl

ASR

Automatic Speech Recognition

ԄZRe

ASR

Answer Seizure Ratio

ռ

ASR

Access Service Request

LIՈ

ASRTE

Alternative Select Route

ػx·

ASTN

Automatic Switched Transport Network

ԄӽQ;W

ATI

Automatic Transmitter Identification

ԄӰlCRe

ATM

Alternative Test Method

w|yԇATM

ATM

asynachronous transfer model

ͬݔģʽ

ATM

Asynchronous Transfer Mode

ݔģʽ

ATME

automatic transmission measuring and signalling testing equipment ԄӂݔyyԇO

ATPC

Automatic Transfer Power Control

ԄӰlŹʿƼgҪc΢lřCݔATPCƷԄӸֶۙνƽ׃׃ăcпɜpٌϵyĸɔ_p˥p}pֱʣ`a˥lʹݔ~2dB

ATR

Asynchronous Transfer Region

Dƣf^

ATR

Answer To Reset

ش𵽏λ

ATR

Answering Time Recorder

rgӛ

ATR

Automatic Traffic Recorder

ԄԒӛ

ATU

Adapter Unit

ATU-C

ADSL transceiver unit,central office end

ADSLֶ˰lͽՆԪ λڱؽQһȵADSLO
ATU-T

ADSL transceiver unit,remote terminal end

ADSLh˰lͽՆԪ λÑһȵADSLO
ATU-T

ADSL transceiver unit,remote terminal end

ADSLh˰lͽՆԪ

ATX

AteXternal

Intel ˾ׄ΢Cwܵ¼gһNXCԴĽYҎ

AU

Access Unit

AU

Administrative Unit

ԪṩAͨӺ͏öΌ֮gm书ܵϢYɸAVCAUPTRM
AUC

Authentication Center

b

AUG

Administrative Unit Group

ԪM

AUL

Average Useful Life

ƽʹÉ

AU-n

Administrative Unit-n

Ԫ

AVL

Average Voice Level

ƽԒƽ

AVL

Automatic Vehicle Location system

Ԅ܇vλϵy܇꠵ijһ܇vҎ^ȻӕrԄӴ_λò@ʾ·ϵyͨɶλϵyݔϵyƺ͔̎ϵyȽM

AWF

All Wave Fiber

ȫw˹w1383nmˮ@Ӿ13501450nm120µIJLg100GHZڳнWÑʮ

AWG

Array Waveguide Grating

в

AWG

array wave guide

ʽ

AWGN

Additive White Gaussian Noise

Ը˹•

BA

Booster(power) Amplifier

⹦ʷŴaēpwʵĹŴ

BA

Booster Amplifier

⹦ʷŴaēpwʵĹŴ

BAIC

Barring of All Incoming Calls supplementary service кеa

BAOC

Barring of All Outgoing Calls supplementary service кеa

BB

Baseband

BBER

Background Block Error Ratio

`KȌһ_ĜyԇrgڿÕrgFBBEc۳ÕrgSESgЉKĿK֮

BBS

Bulletion Board System

ӹ

BC

Billing Center

ӋM

BCC

Base Transceiver Station (BTS) Colour Code

վa

BCCH

Broadcast Control Channel

BCD

Binary Coded Decimal

MƾaʮM

BCH

Bose,Chaudhuri&Hocquenghem Type of code

˹̺ĺķa

BCH

Broadcast Channel

BCJR

Bahl-Cocke-Jelinek-Raviv

BCP

BTS Control Processor

BTS̎

BDPSK

Binary Differential Phase Shift Keying

I

BER

BIT ERROR RATIO

`ʶֵ̖IJeֵע^ȥTQ`a

BER

Bit Error Rate

`a

BFSK

Binary Frequency Shift Keying

MlI

BF BPF

Band-pass Filter

ͨV

BG

Border Gateway

߅WP

BGP

Border Gateway Protocol

߅WPfh

BGRAN

Broadband Generalized Radio Access Network

ͨÌoWj

BH

Bury Heterogeneous

|Y

BHCA

Busy Hour call atternpt

ær

BHCA

Busy hour call attempts

һݼ{ԒһСrÑԇDlеƽΔ

BIC-Roam

Barring of Incoming Calls when Roaming Outside the Home PLMN Country γwPLMNҕr,]i

BITEs

Backward Interworking Telephone Events

ͨԒ¼

BLADES

Buffalo Laboratories Application of Digitally Exact Spectra ֻ_VBuffaloґãϵyһNlϵy

BLER

Block Error Ratio

K`a`K

BLER

Block Error Rates

K`a

Bluetooth

Bluetooth

{һNoW˜O“ƶһNw10Ml2.4Gݔʴs1MğoW˜
BMU

Basic Measurement Unit

BOIC-exHC

Barring of Outgoing International Calls except those directed to the Home PLMN Country

wPLMN,]iH

bps

bits per second

λÿ

Bps

bytes per second

ÿ

BPSK

Binary Phase Shift Keying

MI

BPT

British Post and Telecommunication Standard

Ӣ]cŘ˜

BR

Basic Rate

ɣԣգԶxխɣӣģεһNҲQ飲£

BR

Binding Request

Ո

BRA

Basic Rate Access

Ⱥ

BRAS

Broadband Remote Acces Server

BRAS

Broadband Remote Access Server

Brew

Binary Runtime Environment for Wireless

od

BRI

Basic Rate Interface

Ⱥʽӿ(ձ)

BS

Base Station

վ

BSC

Binary Symmetric Channel

MƌQŵ

BSC

Base Station Controller

վ

BSC

Base Site Controller

վ

BSID

Base Station Identity Code

վRea

BSMAP

BS Mobile Application Part

վƄӑò

BSR

Bootstrap Router

·

BSS

Broadcasting Satellite Service

VlǘI

BSS

Base Station System

վϵy

BSSAP

Base Station System Application Part

վϵyò

BSSGP

Base Station System GPRS Protocol

վϵyGPRSfh
BSSMAP

Base Station System Management Application Part վϵy푪ò

BT

Bandwidth Time

rg

BTC

block turbo codes

ֽMturboaturboaһµİlչ
BTO

Blocking-Tube Oscillator

ӹgЪʎ

BTS

Base Transceiver Station

վհlřC

C Band

4 GHz to 6 GHz

CΣ4GHz6GHz
C Band

C Band

C L15251560nms35nm
C Container

C Container

C bdNʘI̖ϢYʾC-n(11,12,2,3,4),҇H漰C-12C-3C-4Ļma{

C/Ku-Band Compatible

C/Ku-Band Compatible

C/Kμ

CA

Cell Allocation

С^

CA0

Computer assisted ordering

ڎͿ͑ϢӋCMԄӆ؛ϵy

CAC

Channel Access Code

ŵLa

CAD

Computer Aided Design

ӋCoOӋ

CAE

Computer Aided Engineering

ӋCo

CAI

Computerassisted instruction ӋCǒW

CAM

Computer Aided Manufacturing

ӋCo

CAMEL

Customized Applications for Mobile network Enhanced Logic ƄӾWj߉݋Ŀ͑

CAP

Carrierless Amplitude and Phase Modulation

o{c{

CAS

Channel Associated Signaling

CAS

Conditional Access System

lϵy

CATV

Cable Antenna Television

оҕͨž·ÑṩҕĿϢϵy

CATV

"Cable Television" OR "Community Antenna Television"

оҕ

CB

Cell Broadcast

С^V

CBR

Constant Bit Rate

̶

CBSR

Candidate BSR

xBSR

CC

Copper Cable

~|

CC

Country Code

Ҵa

CC

Call Control

п

CCBS

Completion of Call to Busy Subscribers

ærÑٺ

CCCH

Common Control Channel

ÿŵ

CCH

Control Channel

ŵ

CCIR

International Radio Consultative Committee

HoԃίT

CCITT

International Telegraph and Telephone Consultative Committee H/늈ԃίT
CCITT

Consultative Committee, International Telegraph and Telephone H늈ԒԃίT

CCP

Call Control Processor

п̎

CCR

Continuity-check--request signal

Ոͨz̖

CCS

Common Channel Signaling

·

CCTrCH

Coded Composite Transport Channel

aϳɂݔŵ

CDI

CDInteractive ʽP

CDMA

Code Division Multiple Access

aֶַ

CDPD

Cellular Digital Packet Data

CֽMϵy

CDR

Call Detail Record

Ԕӛ

CD-ROM

Compact Disk Read Only Memory

ֻxCD惦
CDTV

Commodore Dynamic Total Vision

Commodore˾ĄӑBȫҕҕP

CDVT

Cell Delay Variation Tolerance

Ԫr׃޽ATMBӕrIպϼsеһ헅ʾijATMBָӿ̎SԪr׃

CEIR

Central Equipment Identitity Rejester

OReĴ

CELP

Code Excited Linear Prediction

aAy

CEPT

Conference of European Post and Telecommunication Administrations

W]h

CERNET

CHINA Education Research Network

ЇоWj

CFNRc

Call Forward when No Reachable

ƄԺ󲻿ɼǰD

CFNRy

Call Forward when No Reply

oǰD

CFNRy

Call Forwarding on No Reply

oǰD

CFR

COST AND FREIGHT

ɱ\M

CFS

Container freight station

ƴ؛bkӵĈ

CFU

Call Forwarding Unconditional

olǰD

CG

Charging Gateway

ӋMWP

CGA

Color Graphic Adapter

ɫDm

CGF

Charging Gateway Function

ӋMWP

CGI

Common Gateway Interface

þWPӿ

CGM

Circuit group supervision message

·ȺOҕϢ

CGSA

Cellular Geographic Service Area

CՅ^ϵy\IЙาwķ

CHESS

Correlated Hopping Enhanced Spread Spectrum

PlUl

Chirp

Chirp

౮οvģֱ{ƕrע׃dܶȵ׃MʹԴ^ָl׃YʹCǻĹ·LS֮׃ĶʎLSrgƯһҪ{Ƽg˷

CHS

cylinderheadsector

űPģ棯^ȅ^

CI

Command Identifier

R

CIF

COSTINSURANCE AND FREIGHT

ɱ\M

CIP

CARRIAGE AND INSURANCE PAID TO

\MUM

CIR

Carrier to Interference Ratio

dɔ_ȣdɱȡ

CIRC

Cross-interleave Reed-Solomom Code

潻RSa
CLIR

Calling Line Identification Restrication

̖aRe

CLIR

Calling Line Identification Restriction

оRe

CMIP

Common Management Interface Protocol

ӿڅfh

CMIP

Common Management Information Protocol

ϢfhOSIWjfh
CMIS

Common Management Information Service

Ϣ

CMISE

Common Management Information Service Element

ϢԪ

CMOS

Complementary Metal Oxide Semiconductor

a댧w

CMRS

Cellular Mobile Radiotelephone Service

CʽƄӟoԒI

CMTS

Cable Modem Termination System

|{{KYϵy

CN

Core Network

ľW

CNR

(C/N )(Carrier to Noise Ration)

d

CNR

Carrier to Noise Ratio

dڛ]н^κ{֮ǰdƽc•ƽ֮ C/N
CO

Central Office

ľ

CODEC

(codec)(Coder-Decode)

a

CODEC

Coder Decoder

a

COF

Ciphering Offset

a

COFDM

Coded Orthogonal Frequency Devision Multiplexing

al֏

CoLR

Connected Line Identification Restriction

оRe

COMSAT

Communications Satellite Corporation

ͨlǹ˾

COMSAT

Communication Satellite Corp.

ͨlǹ˾

COO

Cell Of Origin

ԴС^

CORBA

Common Object Request Broker Architecture

ՈwϵY

COR-PSK

Correlative Phase Shift Keying

PI

COT

Central Office Terminal

ֶ˙C

CP

Circular Polarization

AO

CP

Cross Polarization

Oɂ쾀ϵyʹͬlһʹˮƽOһʹôֱOlV

CPFSK

Continuous Phase Frequency Shift Keying

BmλlI

CPM

Continuous Phase Modulation

Bmλ{

CPT

CARRIAGE PAID TO

\M

CPU

Central Processing Unit

̎

CPW

Circular Polargation Wave

AO

CQT

Call Quality Test

|ܴyԇ

CR

Call Reference

Ѕֵ

CR

Connect Request

CRA

Circuit group Reset--Acknowledgement message

·ȺԭCϢ

CRC

Cyclic Redundancy Check

ѭhУa

CRC

Cyclic Redundancy Code

ѭhྎa

CRP

Continuous replenishment program

BmaӋ

CRS

Circuit group Reset message

·ȺԭϢ

CS

Circuit Switched

·Q

CS

Communication Satellite

ͨl

CSA

Carrier Service Area Or Carrier Serving Area

Ź˾Յ^I\Յ^ָwɶ˽I˾IÿһԒ˾II^LATAڴˠII^Oľ֣central officECO 

CSA

Carrier Service Area Or Carrier Serving Area

Ź˾Յ^I\Յ^

CS-ACELP

Conjugate Structure-Algebraic Code Excited Linear Prediction YaAya
CSC

Cell Site Controllor

С^

CSCW

Computer Supported Cooperative Work

ӋCֵ֧ąfͬ

CSMA

Carrier Sense Multiple Access

dzyַCSMA
CSMA/CA

Carrier Sense Multiple Access with Collision Avoidance d ַ/_ײfhڟoaƷיzyŵǷڛ_ͻ802.11xһNµąfhCSMA/CAһd --鿴ŵǷeһ_ײ--ŵerͨ^SCĕrgȴֱµĿeŵFrكȰlʹ̖_ͻlĸʜpС

CSMA/CD

Carrier Sense Multiple Access with Collision Detection d ַ/ײzyfhһNоWĶַ뼼g

CSMF

Common Single Mode Fiber

ģwMITU-T.G.652ҪĆģwQɫɢλƹwɫɢλ13umڵ͓pą^L1310nmpĞ036dBkm҇ѷOĹw|^@wSw|IͰ댧w⼼gijɹMw·ĹLDƵ͓pģ0.22dBkm; mso-hansi-font-family:"Times New Roman"'>1550nmw
CSPDN

Circuit Switched Public Data Network

·QW

CT

Call Transfer

ߣD

CT-2

Cordless Telephone System Second Generation

ڶoKԒϵy

CTI

Computer Telecommunication Integration

ӋCż

CTI

Computer Telephony Integration

ӋCͨӍ

CTIA

Cellular Telecommunications Industry Association

CŹIf

Cordless Telephony Profile

oKԒ

CTP

computer to print

ӋCֱӡˢ

CTR

Common Technical Regulation

ͨügҎ

CTS

communications and trackingsubsystem

ͨżۙϵy

CUG

Closed User Group

]ÑȺ

CVSD

Continuous Variable Slope Delta Modulation

Bm׃б{

CVSD

Continuously Variable Slope Delta modulation

Bm׃б{{ƵһNM

CW

Call Waiting

дrͨ^ԭеͨŌ̖Ĺ

CW

continuous wave(transmission)

Bmݔ

D/A

Digital/Analog Conversion

ģMDQ

D/C

Down Convertor

׃l

DAB

Digital Audio Broadcast

lV

DAC

Device Access Code

OLa

DAC

DigitaltoAnalog Conventer

ģDQ

DAC

Digital to Analogue Converter

ģDQ

DAF

DELIVERED AT FRONTIER

߅؛

DAMA

Demand Assignment Multiple Access

Ո-ַ“
DAMPS

Digital Advanced Mobile Phone System

MƄԒϵy

D-AMPS

Digital-Advanced Mobile Phone System

ʽMAƄԒϵy

DAP

Digital Access Protocol

L fh

DAV

Data Above Voice (transmission)

Ԓϔݔ

DAVID

Digital Audio/Video Interactive Decoder

l/ҕlʽga
dB

deciBel

ؐʾֵ

DBF

Digital Beam Forming

ֲг

dBi

dB antenna gain relative to anisotroppoc source

쾀棨ڸͬݗԴ

DBR

Distribute Bragg Reflection

ֲ

DBS

Direct Broadcasting Satellite Service

ֱlǘI

DBS

Direct Broadcast Satellite

ֱl

dBW

dB power relative to one mili watt

1WĹʵdBֵ
DC

Direct Current

ֱ

DCA

Dynamic Channel Assignment

ӑBŵ

DCCH

Dedicated Control Channel

ÿŵ

DCCH

Digital Control Channel

ֿŵ

DCE

Data Circuit-Terminating Equipment

·˽O

DCE/DTE

data terminal equipment/ data circuit terminating equipment KO/·KO
DCF

Dispersion Compensating Fiber

ɫɢaģwǾдؓɫɢw,@wᘌѷO1310nmOӋһN͵ĹwG.652wмһɫɢawMɫɢaԱClw·ĿɫɢMƞ

DCF

Dispersion Compensation Fiber

ɫɢaw

DCH

Dedicated Channel

ŵ

DCI

Default Check Initialization

ȱʡęzeʼֵ

DCME-ADPCM

Digital Circuit Multiplication Equipment Adaptive Differential Pulse Code Modulation

·O䡪m}_a{ITU-T G.723Za˜㷨@N㷨40kbits32kbits24kbitsNЄӑB{_ڽoŵĿ

DCN

Data Communication Network

ͨžW

DCS

Digital Cross-connect System

ֽBϵy

Digital Cellular System at 1800MHz

1800MHzַCϵy

DDL

Double Dither Loop

pӭh

DDN

Digital Data Network

֔W

DDN

Digital Date Network

֔W

DDP

DELIVERED DUTY PAID

궐؛

DDS

Direct Digital Synthesizer

ֱӔʽlʺϳ

DDU

DELIVERED DUTY UNPAID

궐ǰ؛

DECT

Digital Enhanced Cordless Telecommunication ͟oKͨ

DECT

Digital Enhanced Cordless Telecommunications oKԒ

DECT

Digital European Cordless Telephone

W֟oKԒϵy

Demod

Demodulation

{

DEMUX

De-Multiplexer

DES

DELIVERED EX SHIP

Ͻ؛

DFB

Distributed Feedback

ֲ

DFF

Dispersion-flattened Fiber

ɫɢƽ̹w1.3um1.55um^εɫɢܵ׺_ɫɢĹw

DFH

Differential Frequency Hopping

l

DFT

Discrete Fourier Transform

xɢ~׃Q

DG

Differential Gain

΢

DGPS

Difference Global Positioning System

ȫλϵy

DH

Data-High Rate Data

ʔ

DH

Double Heterogeneous

p|Y

DHCP

Dynamical Host Configure Protocol

ӑBCÅfh

DHCP

Dynamic Host Configuration Protocol

ӑBÅfh

DHTML

Dynamic HTML

ӑBHTMLļ
DIAC

Devoted Inquiry Access Code

òԃRea

dielectric test

dielectric test

|ԇ^ԇ

DIY

do it yourself

Լ

DL

Data Link (layer)

·

DLC

Digital Loop Carrier

Ñ·

DLL

dynamic link library

ӑB朽ӎ

DLL

Delay-Locked Loop

tih

DM

Data-Medium Rate Data

ʔ

DMA

Direct Memory Access

ֱӴ惦ȡ

DMC

Discrete Memoryless Channel

xɢoӛŵ

DMT

discrete multitone

xɢd

DNS

Domain Name System

ϵy

DNS

Domain Name System Server

DoCoMo

Do Communication More

ͨһNƄͨӍ·ģʽ

DOCSIS

Data over Cable Sevice Interface Specification |IսӿҎ

Domsat

Domestic Communi-Salellile

ͨl

DPCCH

Dedicated Physical Control Channel

ŵ

DPDCH

Dedicated Physical Data Channel

픵ŵ

Dpi

dots per inch

ÿӢc

DPN

Digtial Packet Network

ַֽMW
DPSK

Differential Phase Shift Keying

I

DPT

Dynamic Packet Transport

ӑBݔg@CISCO˾һNȫµĂݔ-IPĹݔg@NgṩˎʹõĸЧeSԼWjĸ߼

DPT

DPT

ӑBݔ

DPX

Diplexer

p

DQPSK

Differential Quadrature Phase Shift Keying

I

DR

Diversity Receiver

ּշּվnjP^Сģͬrl|ģ·ϵřCݔMxϳpp˥ɵӰ푵һNʩwֿԷ֞gּlʷּOּǶȷּȲͬķʽ

DRP

Distribution requirements planning

Ӌ

DRP

Distrlbution resource planning

YԴӋ

DRS

DIGITAL REFERENCE SEQUENCE

օҎPCMaӵһPCMa܉ضyԇlϮadBm0̖҅
DRS PCM

RCM DIGITAL REFERENCE SEQUENCE

օ

DRX

Discontinuous Reception

BmĽ

DS

Digital Section

ֶ

DSA

Digital Signature Algorithm

ֺ㷨

DSB

double sideband

DSCH

Dedicated Shared CHannel

ùŵ

DSF

Dispersion-Shifted Fiber

ɫɢλwQ1550nmцģw@Nwͨ^OӋwʹɫɢƵ1550nmĶcwСʜpګ@ƥʹٳLxĂݔɞ

DSI

Digital Speech Interpolation

Ԓ

DSL

Digital Subscriber Line

Ñ

DSP

Digital Signal Processor

̖̎

DSP

device stop

Oֹͣ

DSSS

Direct Sequence Spread Spectrum

ֱДUl

DST

device start

O䆢ʹָĽKO䆢

DSU

Digital Service Unit

֘IՆԪ

DSU-R

Digital Service Unit-Radio

Ño֘IՆԪpÑo·BӽK˵ĽKOMнK--Wj̖׃QԼ̖

DT

Data Terminal

K

DTAM

Document Transfer And Mainpulation user

ļͺ͹Ñ

DTAP

Direct Transfer Application Part

ֱӂ͑ò

DTCH

Dedicated Transmission CHannel

Âݔŵ

DTE

Data Terminal Equipment

KO

DTH

Directive To Home

ֱӵ

DTM

Dynamic Synchronous Transfer Mode

ӑBͬģʽһNڸ·Q̈́ӑBr϶¼gڶӵĽQ/ݔgDTMиĎmwIJUչ

DTMF

Dual-Tone Multifrequency System

pl

DTMF

Dual-Tone Multifrequency Signaling

pl̖

DTS

DIGITAI TEST SEQUENCE

֜yԇ

DTS

Digital Test Sequence

֜yԇ

DTX

Discontinuous Transmission

Bml

DUT

Device Under Test

yԇO

DUV

Data Under Voice (transmission)

Ԓ”ݔ

DUV

Data Under Voice(transmission)

Ԓ”ݔ

DV

Data Voice

Z

DVB

Digital Video Broadcasting

ҕlV

DVD

Digital Video Disk

ֶ๦ܹP

DW

Device Wait

OȴʹָĽKO䕺ͣ

DWDM

Dense Wavelength Division Multiplexing

ܼ֏

DWDM

Dense Wave length Division Multiplexing

ܼ֏òͬLĹⲨͬһwȻɔ_Ăݔ@һԌF·õļg

DWDM

Dense Wavelength Division Multiplexer

ܶȲL๤ֹ

DXC

Digital cross connect equipment

ֽBһͬwϵG.702ͬwϵ(G.707)̖˿ڵκζ˿̖ʣʣgMпɿBӺBӵO

DXC

Digitak Cross Connect Equipment

ֽBһͬwϵͬwϵ̖˿κζ˿̖ʣʣgMпɿBӺBӵO

 
 
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