Добавил:

Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.

Вуз:

Московский технический университет связи и информатики

Предмет:

Основы построения инфокоммуникационных систем и сетей

Файл:

туляков_2014 / Четкин С.В. Основы построения инфокоммуникационных систем и сетей. ЭК No

..pdf

Скачиваний:

141

Добавлен:

27.04.2015

Размер:

5.91 Mб

Скачать

☆

<<< < Предыдущая 1 2 3 4 56 / 106 7 8 9 10 > Следующая >>>

seeycHJieHHH,a3axeMBbinecxbusnepBOHcyMMbiBxopyio

3axyxaHH?iH

CHMnjieKCHbixxanajiaHTIBCflH(J)CHCxeMbi,npocyMMHpOBaBox^ejibHOBce

RBSi

COflCpacamHH

KOHXyp,

SaMKHyXblH

O6OHXH

Ha^O

3XOXO

J\JIK

.OKOHHaHHHMH

sanacycxoHHHBOCXHziynjieKCHoroKananaTH

cxeMaAByxnpoBo^noroKanajia

OCT2

OTp2

•"orpl

2np../inn

2np../IHH

•"OCT!

ycroiiHHBOCTb^ByxnpoBO^HoroKanajia.TH

>0,.,o,B

VUITA

ffe

;

VcnoBHeycxoHMHBocxHMO>KHOsanncaxbH.xaic:X>

cooxBexcxByio6j,HX

(J)yHKUHH

nepe^axoHHbix

npon3Be,n,eHHe

—.ycxoHHHBocxbio

=X/2

ycxoHHHBOCXH,

sanacoM

HMenyiox

saxyxaHHHBnexnefl,oji)KHa6bixb6ojrbinecyMMbiy

cyMMa

Bos6y)Kfl,ajiacb)

(ne

6biiiaycxoHHHBa

CHCxeMa

Hxo6bi

cjTOBaMH,

HHbiMH

.ycHJieHHH

cyMMbi

CHCXCMC6ojibine

paaoMKHyxofl

saxyxanHHBcooxsexcxByiomeH

cyMMa

CCJIH

GesycjioBHOycxoMHHBa,

oflHHOHHaasaMKHyxaacucxeMa6y^ex

HxaK,

o6pa3OM

sarmcaxb

MO>KHO

ycxoHHHBOCXH

ycnoBHe

HexbipexnomocHHKOB,

HaCCHBHblX

aKXHBHblX

HCCKOJlbKO

HMeCXCfl

CHCX6M6

SaMKHyXOH

ECJIH

HMCCXBHflA>

ycxoHHHBOCXH

ycnoBHe

Oxcio^a

=20\g\k\=201g.\fi\

Floonpe/iejieHHK)

<.0

201g|/?r

201g|fc|

=201g|/c|+201g|/?|<0;

cnoBHeycxoHHHBOCXHBJiorapHc[)MHHecKOH4)opMe

4>a3HaKaKOH-Jin6onacxoxeBbinonHflexcfl.o6«3axejibHO

HyCJlOBHC

BKaHaJlC3aBHC5TTOXMHOFHX(J)aKXOpOB,

BO3HHKH6X,n6o(J)a3OBbieCflBHIXl

CBfl3bnojio>KHxejibHa,OHOyivieHbiuaexcH,nanacxoxax,r^eoSpaxnaji

oGpaxnaji

flByxnpoBO^HoroKanajianpno6pexaexHacxoxnyiosaBHCHMOCXb:nanacxoxax,

saxyxanne

ocxaxoHHoe

Floaxoiviy

.yMeHbiiiaexca

oxpHU,axejibHOH

npn

yBejiHHHBaexcH,

Kanajia

ycHJienHeCHMnjieKCHoro

CBHSH

o6paxHOH

nojio^cHxejibHOH

DpH

.(j^HJibxpbi)

(HanpHMep,

c^BHrn

(|)a3OBbie

nacxoxHOsaBHCHMbie

saMexHbie

snocauiHe

coaepJKHXsjreMCHXbi,

Kanaji

XOM,HXO

J\eno

.oxpH^axeJIbHa

flpyrax

cno>KHbiHxapaKxep:HaO^HHXHacxoxaxBnonoce0,3...3,4KFu,onanojio^KHxejibHa,na

c^ByxnpoBO^HbiMHOKOHHaHH^MHHMeex

O6paxnaHCBflSbB^ynneKCHOMKanane

H3-33napa3HTHOHoSpaTHOHCBH3H.

JIHHHH

CHH)KeHHesanacaycxoHHHBOCXHH3-saoxpa>KeHHHB

HeOAHOpOflHOCTt

r^tp

—

f\-

OTpa>KCHHe

sanac.ycxoHHHBOCXH

nnoxorocorjiacoBaHHa)oxpa)KeHHaHBonnanpoxo^Hxnepes£(CBHanpaBJieHHH1-

(XOMCK

Heo^HopoAHocxeH

najiHHHH

Flpn

JiHHMeH.

annapaxypbi

corjiacoBaHHCM

nnoxHM

o6ycjioBjieHbi

oxpa«eHHH

3xH

JIHHHH.

AByxnpoBOflHOH

oxpa>KeHHH

cnex

yMCHbinaxbCH

aonojiHHxejibno

MOKCX

ycxoHHHBOCXH

Sanac

OCT

f~A

ycxoHHHBOCXH

sanac

cnynae

SXOM

=0.^B

OTp

oxTV,

Kor^a

xo^a,

xojiocxoro

poKHMe

.^B

X>24

3HaneHHe)

—7

ocr

>5.fl,ETor^anpnA

OTp

BycjioBHHx3KcrLxyaxauHH^

npeBpaxHJiocbBocxaxoHHoe.ycHjieniie

saxyxanne

.e.xocxaxonnoe

<0,

OCT

Koxoporo

pasperyjinpoBaHHOMKanane,

onenbCHJibno

BO3MO>KHaxoubKO

renepauHH

>0,

OTp

HocKOJibKy

.cxoponax

XOHKaXnO^KJIIOHeHHH/],ByxnpOBOfl,HbIXJ1HHHHHanpOXHBOnOJTO>KHbIX

OXpa>KeHHH

saxyxaHHH

ocxaxoHHbixsaxyxaHHHnpoxHBonono>KHbixHanpaBneHHHnepe^aHH

cyMMe

pasen

Kanana

ycxoHHHBOCXH^ByxnpOBOAHoro

sanac

Hxax,

CnerjOBaxejibHO,

.K.XOHHecorjep^KHXHHo^Horo.ycHJiHxeji«

Hyuio,

pasna

cyMMaycHJieHHH

orpl

OCT2

OTp2

ocri

cocxaBjmexA

KOHxype

SXOM

saxyxaHHH

.o6paxnoCyMMa

flpyroro

OKOHnanHH

o/iHoro

Konxyp:

flpyroH

Bbi6paxb

CCJIH

c|)opMyjiy,

pacnexHyio

ycHJieHHflHenocpeflcxBCHHOHe.flanwHpomeBcero

neesaxyxaHHfl

nocKOJibKy

pacnexosHenpHro^na,

npaKxunecKHx

fljia

<|)opMyjia

sxa

KcoKajieHHK),

o6paxHOH	AHX,o6yciiOBjieHHbie
4.3	3.0

AA+

C.O6pCBflSBK)

CBH3H

/.\

=0,57

<201g(l-

1Q-'

)=0,53

1<2

<201g(l+10~

X>24,0,5,noaxoMy

BycjiOBHax3Kcnjryaxau,HH

OXMCXHM,HXOA^4_Bcer^a6ojibme,HCM

05X

_=201g(l-10-°'

npnnojio^KHxenbHOHo6paxnoHCBSSHcocxaBJiaex

ocxaxoMHoro

oxxjioneHHe

jviaKCHMamHoe

HXO

noxaaaxb,

MO^KHO

05X

=20lg(l+A:/?)=20lg(l+10-°'

naxy5KecaMyioBejiHHHHy

ocxaxoHHoeaaxyxanneyBenHHHBaexca

CBM3b.oxpHijaxejibHaHanpoxHB,

o6paxnaa

X.K.

o6ycjiOBJieHHoeHaJiHHHeMo6paxHOH.CBHSHB^anHOMcnynaeycHJieHneyMeHbmaexca,

BxopoeBbipa»:aexBejiHHHHyMaKCHMaJlbHorooxKJTOHeHHHycHJienna,

CBH3H,

o6paxHOH

Kanaka6es

cHMnneKCHoro

HHHXOHHOC,KaKycHjienHe

ecxb

cnaraeMoe

FlepBoe

=20\g\k\201g(l+./c^)

MHH

norapH(|3MHHecKHxe^HHHuax

HJIH

(i+

OCMHH

oxpHijaxejibHa

(JDyHKUHHpasoMKHyxoncncxeMbiAeHcxsHxejibnaH

Kor^anepe^axoHHaa

flocxnraexcji,

MHHHMyMy.ycHJieHHflOH

.e.x

CHCXCMM,

saMKHyxon

(jjyHKHHH

nepeaaxoHHOH

Mo^yjia

BenHHHHe

MHHHMajibHOH

cooxBexcxsyex

saxyxaHHfl

ocxaxoHHoro

ocxaxoHHorosaxyxannaoxerosnaneHH^npnoxcyxcxBHHoGpaxnoH.CB^SHMaKCHMyM

OXKJIOHeHHfl

MaKCHMaJlbHoro

BeJIHHHHOH

OIjeHHBaiOX

HCKa>KeHHa

3XH

KOppeKxuposaxbH3-saHXcjiynaHHoro.xapaKxepa

HCBOSMOKHO

npaKXHHecKH

TaxneHcxa>KeHHfl

.yBejiHHHBaexca

oxpnuaxejibHa

6CHHBCJIHKOBpCM«3a,0,ep5KKH

BO3MO)KHOHBKOpOTKHX

ero

roBopam,eroOTBpeMenn

3XO

HTO

SaMCTHM,

Heo6xo^HMorosaTyxaHHflsxa

MCBO^HOM.HanpaBJieHHH

SaBHCHMOCTb

pacnpocTpaneHHH,npeBbimaiomeM

120

100

npn

Mep

T;,MC

CCKTOp

3J16KTpOCBH3H,

COHD3

MC3-T

3xocnrHajioB

BOCnpHHTHJI

pasGpoca

yne'TOM

.KM

5000

OKOJIO

npOTJDKe'HHOCTbK)

CB5I3H

J1HHHHX

KaGeJlbHblX

BO3HHKaK)T

TaKHe.MC3a^ep>KKH

npnT

.e.T

MC,

Gojiee

HTO3x0Gy^eTMeniaTbnpn

BH^HO,

rpa(J3HKa

HsnpHBCAeHHoro

=19

3Tl

=5#E,TO

OTp

7flB,aA

ocrl

ECJIHnpHHHTbA

+^orp2+^ocT2-

=2T

3Tl

sanasflbmaHHHsxacocTaBHTT

speMfl

Torfl,a

,asaTyxanne3xocnrHaJiapaBHO

-BpeMapacnpocTpaneHHHCHraajraBO^HOM.HanpaBJieHHH

ocTaTOHHbiesaTyxannaKanajiaBnpoTHBonojio^KHbix

OCT2

ocrl

3KcnjiyaTaqHH,

cToponax

npOTHBonojio)KHbix

OTpa>KeHH5!Ha

-saTyxaHHfl

OTpl

.pncyHKe

FlepBoe3x0roBOpjimero

o6pa3OBaHHfl

ero

CxeMa

3X0

3x0

nepBoe

PaccMOTpHM

'L0

HneMGojibmeHX

nyTHsxocHFHajiOBA

OTp2

OTpl

MeHbmesaTyxanne

HCM

CMTHa/l

T6M

Memaiomee

OCHOBHOM,flBJLgeTCHpesyjibTaTOMHJioxorosaTyxaHHH.oTpa>KeHHa"

.KOTopbin

sxocnrHajia,

co3,u,aHHH

OGBHHJHOT

nenpaBHJibHO

nacTO

"/],H(^CHCTeMy

Tax:

cKasano

KKHFC

aMepHKancKOH

cTapon

O^HOH

npeo6jiaflaeT,

oGbiHHO

KaKOHH33THX(J)aKTOpOB

TOM,

AHCJKHCTCMHOTpa>KeHHJIB^ByxnpOBOZlHblX.JIHHH5IXO

H3-3aoGpaTHOHCBJI3H,flBJIJIIOTCflH6C6aJiaHCHpOBaHHOCTb

HCKa^KCHHH

KaK

TaK)K6

MemaiomeenopMajibHOMyTeneHHio.pasrosopaITpHHHHaMHsjieKipHHecKorosxa,

HMKaKaKycTHnecKoesxo,

BOcnpHHHMaeTCH

a6oH6HTa

TCJietjDOH

3a,a,ep}KKOH

BOSBpamaeTCfl

BoGparaoe,

npOHHKaiomHHH3npHMoroHanpaBJieHHflnepe^ann

BTOM,HTOCHrnajioGpaTHOHCBJBH,

3JieKTpHHecKoroaxasaKJHOHaeTCfl

TeMa113neKTpMH6CKoeaxov\acHUM

		55
						.cxopone
				noo^HOMyna
		CxpyKxypnajicxeMa		.REO		BKJiioHaKDx			Kanan
		CxpyKxypnajicxeMa		B	cnrHajioB
				B	cnrHajioB
				flBycxopOHHero			/I,JiH
						npnnepe^ane
									o6paxHoe
				B				6ojibmoro
								npHHUiHny
				no		(J)yHKnHOHHpyK)x
		5...7AB					B	oxpa>KeHHH
				H3-3a		3x0		no^aBJiaxb
Hecnoco6HocxH		BHanpaBJiennHpassflSKH,	nacxpoHKH,HCAOCxaxoHHoro3axyxaHH«
	o6biHHonasaxpenjienHbixKanajrax,Bcne^cxBHeCJIO>KHOCXH							,
^C)Jin6ononepeflasaeMOMypeneBoiviy.(a^anxHBHbie)Hx
	HacxpoHKaocymecxBJiaexcfljinGonoc^e^HaJIbHOMyxecx							.annapaxoB
xejie(J)OHHbix	H	^ByxnpoBOflHbixJIHHHH	xapaKxepncxHK			KOHKpexHbix		ynexoM		c
cjio>KHbiecxpyKxypuGanancHbixKonxypoB,HacxpaHBaeMbix						.nepe/iaHHHcnojibsyioxcfl
		yBenHHeHHg^^axyxaHH		flHcjDCHCxeM,o6ecneHHBaiomero
		A,fl,Cno^aBJieHHe3xaflocxuraexcjisacnex							B
		xaioKecaMo6ajiaHCHpyiouj,HMncM,sxoBarpa^nxejiHn.sxcKOMnencaxopbi
a^anxHpyeMbieHa^anxHBHbieflH(j)CHCxeMbi,nasbisaeMbie					naxpHKjracca:
cneuHajibHbieycxpoficxBa,nojiynHBiiiHeHaasaHHe.3xonoflaBjuiK)Lu,HxMX
			3Xa	SJieKXpHHCCKOrO

	IlepBoe3x0cjiymaiouiero
3XO		^OCTl''p			\|
3XO	T		A		;
	T		A		;
OTp2	A	OCT2''p		/1	OTpl
OTp2		OCT2''p
		T	A			1
						1

c	6opb6t,i
	.nponecca

nojinoro	xaK	H
Bxopoe3x0cjiymaiomero
BO3HHKaexBxopoe3x0	3axeM
BHHXHOCXb.pCHH

•"OCTl''p				yMCHbiuaex		3xocjiymaromeroJiniub
T-	A			.a6oHenxoB		KOHxaxx	HapymaroinHH
				.a6oHenxoB		KOHxaxx	HapymaroinHH
				nepecnpoc,		xax	BOcnpHHMMaexca
MenbiiiHMsaxyxaHHCMH	xapaKxepusyexcji			X.K.	CHJibnee,	Meuiaex	3xoroBOpamero
	p		3Cl	BpeMHsanasflbiBaHHHsxoro3xacocxaBnxT
—3T,asaxyxaniie				BpeMHsanasflbiBaHHHsxoro3xacocxaBnxT
				eroo6pa3OBaHHJinoKasanana.pncyHKe
BKanecxBeemeo^noronpHMepapaccMoxpHMnepsoe3x0.cjiymaiOLixeroCxeMa
						ajiropuxMOB.o6pa6oxKn)
BCJICACXBHCHcnojib3OBannflcjio>KHbix		o6pa6oxKecuraajiOBBannapaxype(nanpHMep,

.3a,o;ep5KKa,npeBbimaiomaH500MC,oneHbcnjibHOsaxpy^naex

coGece^HHKOBMoryx

penjiHKH

HXO

npe^ynpoKAeHbi,

Gbixb

AOJi>KHbi

cjiynae

nocjieflHCM

.MCB

390

BejiHHHHacocxasjiaex

cooxBexcxByiomaji

ycxaHOBJienopaBHbiM90.MCfljixcnyxHHKOBbix

Me>Kfl,ycexeBbiMHysjiaMH

cnrnajia

KOHxaKxaMOK^y.co6ece,u,HHKaMHMaKCHMajibHO^onycxHMoeBpeM5ipacnpocxpaneHHa

MOKCXnpHBecxnKnoxepeHyscxsa

.SaMenaHHeBojibuiaa3a^,ep)KKacnrnajiaBKanajie

HCHOpXHXbH663XOFOCKBepHblH.KBHaJI

xoro,BO3MO)KHbicjiynan,KorflaHXBKJiioHeHHeMO)KexemeGojiee

.npoHCxoflHxBojiee

no^aBJieHHJisxocHrHajiOBne

HOJIHOFO

Kanecxsa

HHSKOFO

cexax

.H,H4)poBbix

HanpiiMep,

cexax,

xopoumx

paSoxaiox

xopomo

3xoKOMneHcaxopw

KanajiaM,o6opyflOBaHHbixxaKHMH.ycxpOHCXBaMH

xejiec[)OHHOH

BbicoKoe

oGycjioBJieHo

HCM

a6oH6Hxa,

6jiH>KHero

CHrnajia

peneBoro

nepe^any

CxpyKxypnaacxeMasxoKOMneHcaxopa

BJIHHCX

KOMnencaxop

3x0,

HXOno^aBJiHa

Ba>KHo

o6paxHoro

H3CHrnajia

KOHHHsxocHrHajia

4>HJibxpa

npn

ne>KHX

sxoKOMnencaxopa

ocHosepa6oxbi

.3xoKOMneHcau,H5iB

Hacero^HHOCHOBHWMMCXO^OMno^aBjieHH^sxaHBjmexcfl

*****

HanajibHbixynacxKax.curnajia

npnBCXpenHOMpasroBOpe(S^CJDCKXKJinnnHpoBaHHa),oco6eHHOsaMexnoMyna

xpaKxenepe/i,aHH.(KJI2)npHBo/iHxKBbina^eHHioox^ejibHbix

cexjixHHSKOFO.KanecxBa

,u,a>Ke

xopomopaGoxaiox

npaKXHMecKHnojinocxbiono^aBjmioxsjieKxpHHecKoe.3x0OHH

3xo3arpa,o,HxejiH

axocHrnajioB

MacKHpoBKe

HOJIHOH

noHXH

npHBO^Hx

flE

10...14

saxyxanneivi

o6ixi;HM

yfljiHHHxejieM

pasrosopeAByx

Bcxpe^HOM

npH

HajiHHHe

xoro,

)Ke5...1flB,HXOoGjiernaexycjioBnaBcxpeHHoro.pasroBOpaKpoivie

Haxe

npucMa

npOH3OHfl,exxojibKOKor^ayposeHbBxpaxxenepe^aMHcxanexHH>KeypOBHHBxpaKxe

noflaBJieHHH

pe>KHM

nepexoA

o6paxHbra

yMeHbinaexca

aGoHenxa

flajibnero

3axyxaHHe5...1^B,nosxoMyypOBenbcurHana

npHCMa

SXOMBxpaxx

npn

BHOCJI

a!.KJIpaaMbiKaexca,

aGoHCHxa,

6jiH)KHero

cnrHaji

nponycxnxb

nxo6bi

3aMbiKaexca,

MOMCHX2.KJi

nepBbiM

caMbra

a6oH6HxaSJIJOKHHMB

flajibnero

nepeGoH

poKHMe

2.KJi.pasoMKHyx3xope^KHMno^aBjieHHa.sxociirHajia

saMKHyx,a

,n,ajibHeroa6oH6HxaKJI.I

IlpHoflHocxopoHHCMpasroBopecocxopoHbi

•

3xo3arpa,n,HxejibocxaexcaB.noKoe

a6oH6Hxa

6jiH>KHero

cxopoHbi

pasroBope

oflHocxopoHHCM

IlpH

•

2.KJISaMKHyXbl(pOKHM.IIOKOJl)

KJI.lH

CHFHaJIOBAaJIbHeiX)H6jIH5KHerOa6OHCHXOB

OXCyXCXBHHpCHCBblX

ripH

•

npHHHiinflencxBHJi3xo3arpa,fl,Hxeji5iCOCXOHXB

CxpyKTypHaacxeMaMTC(O^HOHanpasjieHHe)

flN

ypN

N	r	N	V
S(t)		(t)	V

W(t)

								HaKOpOTKHX.JIHHHflX
	noKasbmaiOT,HTOSKOHOMKHCCKHBbiro^Hbi^aaceManoKaHajibHbieMTC,
.KanajioBPacnerbi		HCH		KOJiHHecTBoopraHHSOBaHHbixna				flejiHTCflna6ojibnioe
floporaajiHHHflHcnojibsyeTcanpnSTOM6ojiee3(^<^eKTHBHo,nocKOJlbKyeeCTOHMOCTb
oSopy^oBaHHe,HO		Tpe6yeTKanBJioxceHHHBCTanitHOHHoe						rTpHMeneHHeMTC
								.coopyaceHHCM
	6ojiee			see
	JIHHHH		IIpOTS5KeHHOCTH			HX
HOCKOJIbKyCpOCTOMKOJIHH6CTBaKaHajIOBH							ConocTaBJieHHeBapnaHTOB
						npn	ConocTaBJieHHeBapnaHTOB
						npn	BbiroflHa
sospacTaiOT	6wcTpo		MTC				BbiroflHa
sospacTaiOT	6wcTpo		MTC				MTC	MTCHe
							MTC

npoH3BOACXBO	Ha		saxpaxaM		no	CB33H
opraHH3ai;HH	BapnaHTa			flsa	CpaBHHM
I-npOTH»CeHHOCTbJIHHeHHOrO.TpaKTa

npoMeacyTOHHbixCTanuHH,
CTOHMOCTbKa6ejiaH	o6opyflOBaHH»,€2-

MTC

C.npuw


py6/KaH'KM,r^CC\CTOHMOCTbOKOHCHHOrO
€=(€]-+		HaKaHajIO-KHJIOMCTpCBH3H!
o6HxaHHfl,nosBOjiaioxyMCHbniHTb				BeaMTC	Sarparbi,.py6
npnMHHHMajibHOMBO3fleHcxBHHHacpefly

nyHKOB		oGecneMHBaiOT^opMnposaHHeMomnbix			MTC:
asjiaeTcaCTBOJI		BpaflHOCHcreMax	HecKOJibKo.u;eneHAHanoroM3TorononaTH^
HcnojibsyeMbieftiianepe^anno^HoroMHoroKaHanbHoro.CHrnajiaBKa6e;ieo6biHHO
.CBH3HLJenbCB«3H-3TOpacnojioxceHHbieBKa6ejienpOBO^aHJIHonTHHecKHeBonoKHa,
HCTOHHHKOBKNnoHynaxejiJiMnoOAHOHHTOH>KeUCIIH					nepejjanycoo6meHHHOTN
HesaBHCHMyio	H	o^HOBpeMeHHyio	o6ecneHHBaiomHx		pacnpocxpaHeHHfl,
		xexHHnecKHXcpeflcxB,		MTCHasbisaioTcosoKyiiHocxb

TEJIEKOMMYHHKAIJHOHHOH.CHCTEMWH#EHHPK,BPK,.PK<I»
OEOIIJEHHAflCTPYKTyPHAflCXEMAMHOrOKAHAJItHOH	12	Teiwa

AHCKpexH3Hpyiox,asaxeMnepe^aioxBHenepeKpbiBaiomHecHMOMCRXBI

,cnanajia

cnrHanbi

HAeaBPK

nepBHHHbie

HpnBPK

^-Szt*)

nepBHHHoro.CHrnajia

*"*""

cooxBexcxsyiomero

'V3.2

""'

cneKxpa

nepenoc

ocymecxBJisiox

Ky^a

!•

nacxox,

nojiocy

Bbmejiaiox

YY(

;r"

CHraajia

KaHanbHoro

2.1?;?

IlpHHPK/i,jia

<DPK,HflefiHoHaH6ojiee6jiH3KoeK.P<DK

KOAOBHMpasACJieHHeM.KPKHSBCCXHOxaicace

xan»ce

HasbieaeMoe

^opMePKXD,

pasflCJieHHe

pasflejieHHa:nacxoxnoeHPK,BpeMCHHoeBPK

H^eaHPK

JiHHefiHoro

npHH^na

OCHOBHBIX

xpn

npHMenaiox

npaKXHKe

.KanajioB

pas^ejieHHCM

jiHHeHHbiM

MTC

a,ZWHXHBHbie

HOJiyHHJIH

pacnpocxpaHCHHe

LUnpoKoe

.rpynnoBOMy

-K

o6opyAOBaHHK),seeocxajibHoe

OXHOCflXKHHflHBHflyaJIbHOMy

R,yP

u,enH,eroHasbisaiox.JIHHCHHBIMM,

jiHHeHHbie

Bbinojinaiox

pasflejieHHe

npeo6pa3OBaHHeB.nepBHHHbieECJIH

fleMOflyjiai;Ha

pa3fl,ejieHHenaKaHajibHbie

saxeMnpOHCxo^Hxero

npeo6pa3yioxBrpynnoBOH,

JlHHeHHbiii

npeoSpasosaHHa:

oGpaxHbie

BbinojiHfliox

npHe'MHOHcxopone

.cHrnaji

(BoccxanaBJiHBaiox)

perenepHpyiox

ycHJiHBarox

HJIH

ycHJiHBaiox

.o6opy^OBaHHeFIpoMeMcyxoHHbiecxanuHHpa3Metu,aioxpaBHOMepnoB^OJIBxpaxxa,OHH

HnpoMeacyxoHHoe

OKoneHHoe

onxHHecKoe.BOJIOKHO)JlHHeHHbiiixpaKxBKJiioHaex

cpe^a

ajieKxpHHCCKHH,

Hcpeflbi(nanpHMep,rpynnoBOHCHrnaji

CHrnajia

xapaKxepncxHR

corjiacoBaHne

JiHHeHHbiHoGecnennBaex

CHrnajia

rpynnoBoro

Apyrne^pHH^H^bIoGte^HHeHHa,HasbisaeMBie.KOM6HHaqHOHHbiMHIlpeo6pa3OBaHHe

CymecxsyioxH

HMenyiox.aflflHXHBHbiMH

MTC

TaKHe

W(t)=Vi(t)+V(t)+...+V.v(t)

KaHajibHbie:

cyMMHpya

iOT

o6biHHO

CHrnaji

FpynnoBOH

.npncMe)

xapaKxepHbiMxojibKOAJiaHeronpHSHaKOM(npHsnaicHHeo6xoAHMbiAJIHpas^ejieHna

nepBHHHbiMH.cHraanaMHnpHSXOMKaxg^biHKanajibHWHCHrnajiHa^ejiaexcaCBOHM,

nepenocHHKOB

Mo^yjiai^HH

pesyjibxaxe

KaHajibHbieCHrnajibi<j)opMHpyiox

-nepenocHHK

r(t)

EIC-npOMeacyxoHHaflcxaHijHfl

-jiHHeiiHbiH

L(t)

yP-ycxpoiicxBOpasfleneHHfl

jiHHeiiHoroxpaKxa

-rpynnoBOH

W(t)

OOJ1T-OKOHCHHoeoSopyflOBEHHe

—KanajibKBiH

V(t)

/I,/jeMOflyjuixop—

-nepBHHHbiH

S(t)

MMOflyjwxop—

CXCMCo6o3HaH6Ho:

		asjiaioxcanepHO^HHecKHMHcnepHO#OM.T
HXOnepenocHHRHHBecoBbie		HMC«BBHmy,	HHXepBanoBT...2T,2T...3TH,.fl.x
MO^CHOsanncaxb	06oxcyxcxBHHnepexo^HOH.noMexnAHanorHHHbiecooxnonieHHa
	CHrnajinaBbixo^ei-roKoppejiaxopapasenSjHXO			,
pasna	Koxoporo	BejiHHHHa	HCKJiioHeHHeMoflHoro,	3a
HoycjioBHioopxoroHajibHOcxHseeHHxerpajiwaxoiicyMMbinpHHHMalox

						T
							HHxerpHpOBaHHH(npnt=T)
BMOMCHX		CHPHajianaBbixo,n;eKoppejiaxopai-roKanajia						.4>yHKi^HHHafifleMBejiHHHHy
BecoBbix		eivtyaHcaM6jib				opxoroHajibHbiH	ancaiviGjianepenocHHKOBonpe^ejinxb
3a^aHHoro		OCHOBC		Pa3pa6oxanaMaxeMaxHnecKaanpoLte^ypa,no3BOJiaiomaana
		M«K,ay		noMexH		nepexoflHbie	HCH36e»CHbi	npoxHBHOMcjiynae	B
			(t)dt.=		g			Koppejiaxop
			(t)dt.=

		opxoroHajibHbinepenocHHKaM						.g(t)
		opxoroHajibHbinepenocHHKaM
6bixb	flOJi»CHbi			1111		BecoBbie
6bixb	flOJi»CHbi			.^yHKu		BecoBbie		I
.Kanana		i-ro	<J)yHKH,Ha			6a3Hcnaa		I	W(t)
.Kanana		i-ro	<J)yHKH,Ha			6a3Hcnaa
HJIH	Becosaa		—	gj(t)		-vSflecb
						.o6pa6oxKe
KoppejiaipioHHOH				CHrnan		rpynnoBOH
			Heo6xofl,HMo			Kanana,

i-ro

CHrnanaananeHHanepBHHHorocHraajia

H3rpynnoBoro

BbwejiHXb

Hxo6w

naHHxepBajie0...TxojibKOnpHnyjieBbixsHaneHHaxscexnepBHHHbix.CHrnajiOB

cjioBaMH,npHJIKHCHHOHesasncHMbixnepenocHHKaxrpynnoBoiiCHmanpaseHnyjiio

HHHMH

HXO

cjie^yex,

:=:

paseHcxBa

Si=S2=...SF.0

Si-r(t)+S2-r(t)+..-tSAfTA(t)

CCJIHHS

HesasHCHMO,

i(t),

1111

KOHCHHOCMHOKecxBo

r(t),...r;v(t)JTHHCHHO

nepeHOCHHKOs:

HesaBHCHMOcxb

jiKHeHHaa

flocxaxonna

Heo6xofl,HMa

paaflejieHHfl

jiHHeHHoro

fljia

HXO

OKasaHO,.^

.CHMBOJiy

cooxsexcxByioineenepe^aBaeMOMy

HHCJIO,

Sj-neKOxopoe

CCJIHqn^poBOH,

CHrnaji,

aHanoroBbiH

S=Si(0),

i-ro.KanajiaECJIHSj(t)

HHxepBajieKoacJxJmijHeHX,oxoGpaacaioiiniHnepBHHHHHCHrnaji

jjanHOM

Sj—nocxoaHHbraHa

r^e

O...TVj(t)=SiTi(t),

naHHxepsajie

Ilycxb

pasnyio(J)opMy,asjiaexca.pasflejiHMbiM

HCBCflKHHaHCaM6jIb(ftyHKUHH,HMeiOIUHX

<J)OpMbIKaK<J)yHKUHH.BpCMCHHO^HaKO

EflHHCXBCHHOeOXJIHHHCCOCTOHXBHCOflHHaKOBOCXHHXBHyXpeHHCHCXpyKiypblHJIH

IlpHPKOKanajibKbieCHrnajibinepeKpbiBaioxcaHnocneKxpyHno.BPCMCHH

opToroHajibHbix

/t\apasaejiemw	r	1

	I	X
		X
		'r,(t)
			2
-	I		(0+^(0
-	I	X	fe
		X	fe

BCCOBbie(^yHKll,HHKOXOpblXXO»CfleCXBeHHbInepCHOCHHKaM.gi(t)=Ti(t)

noMombioKoppejiaxopos,	c	Pa3,nejieHHeCHraajioBHanpneMCocymecxBJiaexca
MaKCHMaJIbHyK)nOMeXOyCXOHHHBOCXbMTCIIpHBO3^eHCXBHHaaU,HXHBHOH.HOMCXH
nepeHocHHKOBo6ecnenHBaex		HXOHcnojibaosaHHeopxoroHajibHbix	,

	yzjOBJiexBOpaiomHxycjioBHioopxcronajibHocxH
cocxoaruHeus	opxoroHajibHbieancaiviGjiH,		npaKTHMecKoenpHMenenHeHauiJiHxojibKO
nepeHOCHHKOB	HesaBHCHMbix	JIHHCHHO	ancaMGnefi	MHO^cecTBa

<<< < Предыдущая 1 2 3 4 56 / 106 7 8 9 10 > Следующая >>>

Соседние файлы в папке туляков_2014

#
27.04.201512.25 Mб79ОПТСИС_лекцдополненное.изменено_дек29.12.11.doc
#
27.04.20155.91 Mб141Четкин С.В. Основы построения инфокоммуникационных систем и сетей. ЭК No..pdf