o,ns/c
J000
0 20 40 60 00 /00 P.'/
PHc. 3.10. Kpueaa o6ecueceHHocrH
p oryvaf,ruor? seJiHqxHE{ x
500 ioo p)f"
Pnc. 3.11. Kpnstre o6ecneqesHocrH ro-
AoBoro croKa Q p. Anenpa Y c. .IIoq-
MaHcKa.fi KaveHxa:
/ - 1852-195? rr.; I - 1852-1903 rr.; 3 -
1904-1955 rr.
nocTpoeHHbIe ilo AaHHbIil{, OTHOCflIi{[IS{Cf K pa3HbiM nepHoAaM Ha-
f.nrcleHnft 3a CToKoM. Kax BHAHo H3 paq. 3.11, KpHBbIe o6ecne'{eH-
IIOCTH ycToftr{HBbt I-t MaJIO H3MeHsIoTCfl. 3ra OcoOeHHoCTb K COXpa-
HeHHio Xapat{repttCTHK BHe 3aBI-tcHMocTH oT pas6IiBKH Pflna no3Bo-
JIfeT paccN{arpHBaTb npoqecc roAoBoro cToKa Kal( 3proAHrIHbIfi.
B rriLpo"lrorr.rqecKH-\ pacqerax HcrroJlbsylor reoperHtlecKne KpHBbIe
pac[peAeJreHHfl BeposTHocreft pa3Hblx rHnoB.
Hau6o.riruee -pacrpocrpaneHae B ruApolorHu fioryqHno _r p e x-
a a p a M e r p H q e cKo e f a M M a -p a cnp eAeJIeH ue KpHuxo'
fo-MeHKeJrr, Koropoe Ha3BaHo B r{ecrb aBTopoB, ero rIpeAJIox(HBiIrHX.
AnalHTHqecKi{ KpHBafl 3Tofo rnrra 3ant{ctilBaerc.fl B cneAylou{ev{
ar{Ae:
jtr (,r) =
I
f r(T+6)t lb l[_-r
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, dt (3.211
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parype no rII-rl)o"lortil[.
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paccllarpHBaeMbrx peKax B TerieHr're pacqeTFrofo tIepr'!oAa 3KCnilya-
rar{uH f3C. flocxo"rilxy neprroA He6,rroAeFrHn 3a croKoru orpaHrrqeH,
TO "i-Irc6bIC OI{CHKII NAI)AMCTPOB PACIPEAEJ']EHHfl CTOIiA ffBJ-IflIOTCfl C,TiY-
qar?lrnilrir.
lipurreriureJbr-ro K rrrAilo"'ro[[{Liecr*nv1 pacqeTa\r cyLrlecrBVeT ne-
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Hec\{euletrFiocrb u sQQer<rr.rBtiocrb.
C o c T o fl T e .r b r-r o c'i- b rroJ,ila3jvr,{eBaer c.\o1llr{ocTb ouelrrlr nc
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K noBbnueHrrlo rorrHocri.r oqeiirrr npH yJrr{HeHI{r{ nep HoAa Ha6nrc-
leuHfi 3a croKoN{.
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paBeHCTBO IIeHTDs;lbHOfO 3iiarielrLrff napaMeTpa ilo nrr6opne HcT]tH-
rior{y ee 3rraqeHHro Arfl reHepansrroH coBoKynHocrH (nlH pflA}' 0ec-
Koue,tiioft Ar'ilrre,TbHocru). A"'rs ouer-iKrr Mepbr KatrecrBa ricno.rb3ylgt
AHcnepcllrc oqeHKu, XapaliTepll3yloqylo CTeneHb O]'K;'IOFIeHLIf IiapaI'leT-
pa oT trcrrrHHofo 3HaqeHrifl.
3 0 Q e Kr lr B rr o c r b oueHiiri napaMerpa onpeAe.tffercr fipH
tIaJI{qr{r1 HecKoJ'rbKH-{ r{eTo:.oB oueFrt(H. flpu 3Tor\r ouer'rKa cqHTaeTCfl
sQQerrHelrofi, ecrrr oHa 06;1flA?€r HalrMeHb[refi aHcnepcriefi.
B rHApo,'iorlirrecKlix pacqerax nas6orrutee paciipocrpaHeHHe rro-
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ilo.ryr{HBIUrie nau6o,rruree pacnpocrpaHeHHe B rxApo,'rorriqecKHx pac-
qeTax, oflpe;IeflffIoT rrapaMeTpaMr{: c p el u e fr B eJT H q r{ H o fi x,
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acHMMerpHH Cr. BrHqHue napaMerpoB Ha Qopvry xpHsoft
o6ecne,reuFlocrrr npHBeAeHo ria pLrc. 3.12 H 3.13. flaparJerpbr Bbtpa-
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v- (3.221
I
III
II Ii
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I
I
I
I
I
I
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pxaqna Co H Ko3Q$HIrueHia ac.HMMerpHH Cri f (V) - raMMa-Qysx-
rJfrfl 3ftnepa.
Kpor"re rpexrrapaMeTpHr{ecKoro rauua-pacfipeAeJIeHHq- B ruApo-
JIOrfiqecKHX pacqeTax Hcno,'Ib3yIoT TeopeTHqecKHe KpHBble pacnpe-
Ae"rreHHfl ApyfHX rHrroB: pacnpeAeJIeHHe I-[npcoua III rHna,.Hop-
MaJrbl-roe pacnpeAereHlle I,IJIH pacilpei:(eJIeHHe faycca, JlorapH(bMli-
qecKH HopiltaJrbHoe pacnpeAeJIeHHe tl T. E. 6o.nee noApo6HyIo
50
(xt - x)'
rcr(n - l)
n
2ttr-il"n
l-l
(3.23)
(3.24)
514+
vs-
o'(n - l) (n - 2)