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Any information may be conveyed by an analog signal; such a signal may be a measured response to changes in a physical variable, such as
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induces corresponding fluctuations in the current produced by a coil in an electromagnetic microphone or the voltage produced by a
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An analog signal uses some property of the medium to convey the signal's information. For example, an
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of the signal may be varied to represent the information.
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Noise accumulation in analog systems can be minimized by
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317:operations, which can progressively degrade the
162:to another quantity. For example, in an analog
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1567:Global telecommunications regulation bodies
345:Converting an analog signal to digital form
197:constraints on the representation and adds
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293:Comparison of analog and digital recording
120:Learn how and when to remove this message
370:and high-quality electrical components.
158:representing some other quantity, i.e.,
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459:"Digital Signal Processing | Journal"
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516:"Noise Bandwidth – an overview"
427:"Analogue Signal – an overview"
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27:Continuous time-varying signal
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331:intermodulation distortion
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347:introduces a low-level
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1349:Communication protocol
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950:Walter Houser Brattain
895:Edwin Howard Armstrong
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156:continuous-time signal
1323:Polarization-division
1055:Narinder Singh Kapany
1020:Erna Schneider Hoover
940:Jagadish Chandra Bose
920:Alexander Graham Bell
651:online video platform
333:in audio signals, or
319:signal-to-noise ratio
1165:Vladimir K. Zworykin
1125:Almon Brown Strowger
1095:Charles Grafton Page
750:Prepaid mobile phone
678:Electrical telegraph
520:ScienceDirect Topics
368:low-noise amplifiers
277:condenser microphone
152:Commonwealth English
54:improve this article
1115:Johann Philipp Reis
874:Wireless revolution
836:The Telephone Cases
693:Hydraulic telegraph
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1241:Network topology
1155:Thomas A. Watson
1010:Oliver Heaviside
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43:This article
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1654:Video signal
1300:Multiplexing
1175:Transmission
1140:Nikola Tesla
1130:Henry Sutton
1085:Samuel Morse
1015:Robert Hooke
980:Amos Dolbear
915:John Bardeen
834:
814:Telautograph
718:Mobile phone
673:Edholm's law
656:social media
589:Broadcasting
523:. Retrieved
519:
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500:30 September
498:. Retrieved
480:
468:. Retrieved
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443:30 September
441:. Retrieved
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406:Preamplifier
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52:Please help
47:verification
44:
1500:NPL network
1212:Radio waves
1150:Alfred Vail
1060:Hedy Lamarr
1045:Dawon Kahng
1005:Elisha Gray
965:Yogen Dalal
890:Nasir Ahmed
824:Teleprinter
688:Heliographs
261:temperature
110:August 2022
1633:Categories
1546:Antarctica
1505:Toasternet
1427:Television
910:Paul Baran
842:Television
826:(teletype)
819:Telegraphy
797:transistor
775:Phryctoria
745:Photophone
723:Smartphone
713:Mass media
413:References
303:distortion
291:See also:
273:microphone
269:transducer
214:mechanical
210:electrical
80:newspapers
1530:Americas
1519:Locations
1490:Internet2
1251:Bandwidth
955:Vint Cerf
852:streaming
830:Telephone
770:Semaphore
661:streaming
490:Tektronix
381:Amplifier
311:recording
246:frequency
222:hydraulic
218:pneumatic
204:The term
191:bandwidth
187:quantized
160:analogous
154:) is any
1598:Category
1485:Internet
1475:CYCLADES
1392:Ethernet
1342:Concepts
1266:terminal
1217:wireless
1040:Bob Kahn
883:Pioneers
708:Internet
599:Cable TV
525:8 August
494:Archived
470:8 August
437:Archived
374:See also
265:pressure
1618:Commons
1608:Outline
1561:Oceania
1480:FidoNet
1465:ARPANET
1278:circuit
847:digital
576:History
242:current
238:voltage
183:sampled
168:voltage
148:British
94:scholar
1556:Europe
1526:Africa
1510:Usenet
1470:BITNET
1407:Mobile
1283:packet
792:MOSFET
787:device
584:Beacon
281:analog
96:
89:
82:
75:
67:
1539:South
1534:North
1495:JANET
1432:Telex
1422:Radio
1261:Nodes
1256:Links
1177:media
755:Radio
740:Pager
668:Drums
634:video
629:image
619:audio
287:Noise
257:light
253:sound
244:, or
142:) or
101:JSTOR
87:books
1551:Asia
1437:UUCP
1397:ISDN
527:2022
502:2023
472:2022
445:2023
335:snow
329:and
327:hiss
313:and
301:and
193:and
150:and
73:news
1442:WAN
1412:NGN
1402:LAN
683:Fax
624:DCT
337:in
134:An
56:by
1635::
518:.
492:.
488:.
461:.
435:.
429:.
366:,
362:,
355:.
309:,
259:,
255:,
240:,
220:,
216:,
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553:t
546:v
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474:.
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146:(
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117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
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