Abreviations Flashcards

0
Q

SOI

A

Signal of interest

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1
Q

SDF

A

Signal descriptor file

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2
Q

SCL

A

Signal collection list

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3
Q

NRZ - L

A

Non return to zero level

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4
Q

NRZ - M

and what is it also know as?

A

Non return to zero - mark

Frequency differential keying - mark

Delta 1

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5
Q

FDK - M

A

Frequency differential keying - mark

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6
Q

NRZ - S

And what is it also known as?

A

Non return to zero - space

Frequency differential keying - space

Non return to zero - inverted

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7
Q

FDK - S

A

Frequency differential keying - Space

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8
Q

NRZ - I

A

NRZ - inverted

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9
Q

EDAC

A

Error detection and correction

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10
Q

ARQ

A

Automatic repeat request

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11
Q

ACK

A

Acknowledgment

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12
Q

FEC

A

Forward error correction

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13
Q

ECC

A

Error correction codes

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14
Q

ALE

A

Automatic link establishment

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15
Q

BER

A

Bit error ratio/rate

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16
Q

MODEM

A

Modulator - demodulator

17
Q

PSTN

A

Public switched telephone network

18
Q

Wi-Max

A

Worldwide interoperability for microwave access

19
Q

WAP

A

Wireless application protocol

20
Q

GPRS

A

General packet radio system

21
Q

UMTS

A

Universal mobile telecommunications system

22
Q

HSPA

A

High speed packet access

23
Q

ITU

A

International telecommunications Union

24
Q

ITU - R

A

International telecommunications Union- radio communications

25
Q

ITU - T

A

International telecommunications Union- telephone circuits

26
Q

ITU - D

A

International telecommunications Union- Development sector

27
Q

LRS

A

Linear recursive system

28
Q

OTHR

A

Over the horizon radar

29
Q

PG

A

Generating Polynomial

30
Q

CRC

A

Cyclic Redundancy Check

31
Q

LPI

A

Low probability of intercept

32
Q

AJ

A

Anti jam

33
Q

DSSS

A

Direct sequence spread spectrum

34
Q

PN

A

Pseudo noise

35
Q

CDMA

A

Code division multiple access

36
Q

LCM

A

Lowest common multiple

37
Q

FH

A

frequency hopping

38
Q

FHSS

A

Frequency hopping spread spectrum

39
Q

TH

A

Time hopping

40
Q

THSS

A

Time hopping spread spectrum