Ha=c0flstaNrec
AQrdc
3Haqt{TeJIbHblM yMeHbueHIreM noJlorocrlr pa6ourtx n pacxorrrbtx xa-
paKTepncrr.rK, a raK)Ke xapaKTepucrHK norepb fOC. OrcnAa cJreAyer,
Qrec(//rec), ro roJlyqeHHbre xpnnne AB H CD AoJrx{Hbr npn npa-
dflrsc
dQrsc
4rec
,? rsc
Qrsc
Qrec
PHc.5.13. SHeprernuecr(He xapar(repuc- PHc. S.l4. Slrepretruecr(He xapaKrepHcrl.I-
THKH fOC c oAHHaKoBbrMH arperaraMr Ktr fOC c oAHHaKoBbrMH anpefaraMu npu
npH onrHMaJIbHoM r4x BKJ'nor{eHHH npl{ HeonruMaflbHoM Hx BKJTTqeHHH npH H a:
Ha:CODSI :COflSt
noTepb Arrfl. z:2 u 3. To )Ke caMoe MolKHo cKa3arb H IIpo xapaKTe-
pHcrHKH AQrec (N.e. ) ra Qrec(/frec ).
Toqxu BKJIroqeHHfl 2-ro v 3-ro afperaroB o[peAeJIflTcfl, KaK rlepe-
ceqeHHe xapaKTepHcrHK norepb p,Jrn z:l; 2 u z:2; 3 coorneTcrBeH-
Ho. PeueHr{eM 3aAaqu rB;rrercfl TaKoe rrHcJIo BKJIIoqeHHbIX arperaroB,
Koropoe npu 3aAaHHoM tV rec o6ecnequBaer MHHHMyM AIV rec vr
MaKcrrMynn KflA f3C. !.nn pr.ic. 5.13 or ffrac :0 Ao roqK?I a zo:I,
or a no b zo:2 H 3areM zo:3.
BcneAcrBHe TOro .rro AN rec (l/rec) LIMeeT B ToqKaX BKJItoqeHI'ifl
cJleAyroulero arperara I.I3JIoM, Qrec (//rec) B sTlix Me roqKax Me-
Hlllorcfl cKaqKoo6pa3Ho (pnc. 5.13) . Caua >Ke xapaKrepncrHKV
?rec(i/recr) (z:1i 2; 3) nepeMeulalorcfl, I(aK u pa6o'tue, ilp14
yBeJIHqeHHH qLICJla BKJIIOqeHHbIX afpefaToB Iio ropI'I3OHTaJIH.
Oruerurr,1 oAHy BaiKHyro oco6eHHocrb paccMorpeHHblx xapaKrepl4c-
TrlK: npH yBe/rHqeHtrH qr4cJra BK,'rloqeHI{L,Ix afpe_l3JgB Ka}KAbliI nocJle-
AyroufnIl irperar BKlloqaerc.fi npn 6ollureu KnA. 3ro BbI3BaHo
168
BHJIbHoM HX ttocrpoeunu c6nptxarrcg
lIeHHfl //rec.
Apyf c ApyfoM no Mepe yBerIH-
,
P_a-cctvIorpeHHafl KaprHHa 6yaer HMerb Mecro nprr onrrrMaJrbHoM
no AlVrec LIJIH Tl rec BKJIIOqeHTTH arperaToB.
Ha puc. 5.14 npeAcraBJIeH c.nyuarl, KorAa onruMaJrbHoe BK,[rcqeHHe
HeBo3Mo)KHo fi3-3a orpaHuqeHar? no y'y'X"*". Bx,rrcqeH ue 2-ro rr 3-ro
afpefaroB 3Aecb npoHcxoAHr He B TOqKax o r1 b (prrc.5.l3) , a.rreBee
rrpu /y'farcc w 2NX^"" .
creAcreueM aroro flBrqroTCfl cKaqKr.r A,vrsc,, Tlrgc . eracq{Bc B roqKax BKJrroqeHr.rfl 2-ro rr 3-ro afperaroB. Xapar(reDilcrrrKa
orHocHTeJIbHblx npHpocroB fOC B arHX >Ke ToqKax HMeer <(crorrr6oo6-
pa3Hoe>> pl3MeHeHHe 4 rec , pacqer KoTopofo npoH3BoAlrrcfl cofJracHo
cxeMe, paccMorpeHHori n $ 5.2 H Ha pHc. 5.11; Qrec B.roqKax BKJrro-
qeHl4ff afperaroB c pocroM z 6yAer yMeHbuarbcfl e cen3'ra c yMeHbure-
HHeM a6conmHoro 3Har{eHufl cKaqKoB na AlVrec(//rec).
EctectneHtto, trro nocTpoeHHbre 3Heprelr.rqecrir.re xapaKTepr.rcrnKr{
fOC AoJr)KHbr 6nrr no.nnoCrrlo corJracoBaHbr Apyr c ApyroM. npou.p-
Ky 3Toro HeTpyAHo BbtnoJIHHTb c Hcno/rb3oBaHaeM oco6brx Dex{HMHbrx
TOTICK.
B groM cJlyqae ToIIKH BKflroqeHr4q arpefaroB Jryque HaxoAHTb Ha
gcHolg cJreAyrouHx - -coo6paxeuHfr. B roqKe nepexoAa or z K(z+ l) -rtry arperary //rec ocraercff uezsueHuorl; MeHflercfl .,rrrrrb
Hafpy3Ka KalKAofo afpefaTa B oTAeJrbHOCTr.r, T. e.
N^rz - No ,+r(z + l) : ilrec, (5.56)
rAe ly'az:1Vrec lz; Nuz*t://rec lz+1.
HarpysxH'Na, H Nn z+r HA ocHoBe (5.56) HaxoAflrcfl B c.reryrourelr
COOTHOIXCHHH:
ttt 17 Z
iva z*r : IY az --f rz+ r (5.57)
169