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Ãëàâíàÿ  Ïîìåõè è øóìû â ñèãíàëàõ 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 [ 18 ] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156

PRO&RftM FSS

REfti- l<F<512>..!<FSS.-LSR.>LKR COMMON/ F FbF2..ri3

BVTE pp..ya

DATA pp.-V TVPE 113

! ÂÂÎÄ ÈÑÊÎÄÍÛÕ ÄÀÍÍÛÕ:

ACCEPT:*.-ÛÌ ! ÌÀÊÑÈÌÀËÜÍÎÅ ×ÈÑËÎ ÇÂÅÍÜÅÂ.

TVPE 111

ACCEPT:*.. FO.. P.-DELFSK ! ÖÅÍÒÐÀËÜÍÀß ×ÀÑÒÎÒÀ.. ÏÎËÎÑÀ..

ÒÓÐÅ li: ACCEPT:*.. BPD.DSKT TVPE J 1.3 ACCEPT*. QO. :.J

! ÐÀÑ×ÅÒ ×ÈÑËÀ ! ÇÂÅÍÜÅÂ

! ÐÀÑÑÒÐÎÉÊÀ (ÑÎÑÅÄÍÈÉ ÊÀÍÀË), ! ÍÅÐÀÂÍÎÌÅÐÍÎÑÒÜ.. :ÇÀÒ.Ó,ÕÀÍÈÅ/ ! ÍÀ×ÀËÜÍÀß ÄÎÁÐÎÒÍÎÑÒÜ.. ! ÂÎËÍÎÂÎÅ ÑÎÏÐÎÒÈÂËÅÍÈÅ WRI ÒÅ Ñ 7.. 1ÝÇ > NM.. F3.. Ð.. DFD,. riELF:5K.. D:5KT.. ÝÝ.. W Ã1Ý=1.Ý.Ñ!Ý F1=F3-8.5:*P F2=F3fe..5: P .FP=F8-3.5: P F:5K=F3 -DELFSK CALL DS F3,. riSF9.. DRSF3 > CALL D:3r.FSK..D:3FSK,DRSF:5I<) CALL DS < PP.. DSFP.. DRSFP > N= <: DSKT -DRSFSK f DRSFa )< BSFSK -D:3Fe) f 1 IF(N.GT.MM) N=¹1 DFF3=HWDSF3 -DRSF3 riFFP=H: DSFPHiRSFP DF3K=N: DSF:3K+DR:5F:3!< riSK=DFSK-DFF3 ,DP=DFFP-DFF3 IF;DPD-i)P> 3..4..4 F1=F1-3.32kP F2=F£ -3.32: P ,60 TO 2

IF<DSKT-DSK) 6..S/5 ÁÝ=3.9æÃ1Ý Q3=1.3.--H3 SO TO 1 TVPE 114 ACCEPT*:.. NF

! ÏÐÎÂÅÐÊÀ ÓÑßãÝÂÈß ÍÅÐÀÂÍÎ-! ÌÅÐÍÎÑÒÈ S ÏÎËÎÑÅ

! ÏÐÎÂÅÐÊÀ ÓÑËÎÂÈß ÏÎÄÀÂËÃ.-! ÍÈß ÑÎÑÅÄÍÅÃÎ ÊÀÍÀËÀ

! ÂÂÎÄ ×ÈÑËÀ ÒÎ×ÅÊ À×Õ

! ÐÀÑ×ÅÒ À×Õ ÔÑÑ

HF=HFt-l FN=F3-D IM=MF:*2 DO 7 K=1,.HF F=FNt-DELFSH: <:K-i; CALL DSCF.-DSF..DR3F:j IiFF=N: D:3F+-DRSF-DFF3 J=K:*2 KFCJ-i;=F l<F(:J>=riFF

CSi.iJ=7. 9SE4:* Ñ F1 ♦F2 )< F1 :*F2:*W > CSR=3.18F5:*F 1 . < F2:* Ñ F2 -F1 :> :*I.O > CKR=a.5:*CSR

LSR=7. 96E4: Ñ F2 -F1 > æÓ/ < F1 :*F2 ) LKR=2.0: L:3R

KFSS= 1Ý. Ý:*æ < -DFF3/23.3 Ó WRITE <7.. 138> Fl..F2..riP..DSK MRITE (7.. laS) \b02

WRITE (7.135> CSW.. CSR.CKR/LSR.. LKR.. KFS:3 WRITE <7.. 104;- (KF0J>..J=1.. IH> WRI ÒÅ Ñ 3.. 133 :j MM.. F3.. P.. IiPD.. DELFSK.- D:3KT, 03 Ó WRITE <3.. 138> Fl..F2,.riP..D:5K

! ÐÀÑ×ÅÒ ÝËÅÌÅÍÒΠÔÑÑ



ÓÊIÒÅ (3,laS) N,03

WRI ÒÅ < 3.. 195 > CSI.J,. CSR.- CKR, LSR.. LKR.. KFSS WRI ÒÅ Ï.. 134 > < KF < J :v J= 1.. IH > WRITE <7.. 139> READ <5.V37:> QQ. IF<QQ.EQ.PP> GO TO 231

133 FORriftTC NM=,I2..T21.. F3=-, F?. 2.. KHZT41.. P=>

æ F5.2.. V:HZ/ riPIi=..F4. Ü DS-..T21.. IiELFSI<=-F5,2.-* KHZ-.. 141.- - DSKT=,F4.1.- - US/- 93=.. F5. 1..T21.. : !.iJ=.-F6.3r KOri->

134 FORMAT;- AMPLITUDE RESPONSE-.l:i..

æ 4c:- F(KHZ> DCDS) >/-à:Ê..4CF9. 2..F7. Ü llO )>

135 FORMAT; CSiil=, F7. 1.- T21.. - CSR=F7.1.- T4b 0<ß=, F7.1, æ Pfy LSR=-.-F7. ÜÒ2Ü LKR=.. F7. 1.-- MKH.

æ T41.- KFSS=-/F5,3>

136 FORMAT; N=..12-121, Qa=.-F5.1>

137 FORMAT;A1>

138 FORMAT ; F1=,F7.2.- KHZ.-T21.- F2=.-F7. 2.- KHZ.- æ - SEP=.-F7.2.- DB.-T2b SESK=.-F7.2.- USj

139 FORMATM, GO TO START? >

110 FORMAT C=:.- N MAX ? >

111 FORMAT;*:.- F3.-P.-DELFSK ;KHZ> ? >

112 FORMAT.;.-, DPDrDSKT êØÓ ? >

113 FORMATCK.- àç,- 1ëÊêîì> ? :>

114 FORMATCK.. NF ? Î STOP

! ÏÎÄÏÐÎÃÐÀÌÌÀ ÐÀÑ×ÅÒÀ ! ÏÀÐÀÌÅÒÐΠ3SEHA ÔÑÑ

SIJBROUTINE DS ; F.- DSF.- DRSF ) COMMON-- F ..--F1..F2.-D3 F12=F1 *2 Ð22=Ð2ææ2 ÃÒ2=Ðææ2

ft=2. Ýæð 12æ Ñ FT2 -F22 Ó -FTZy < F22 -F12 > 1. 3 Â= -2. ÇæÐ 12æÐ2ãæÂÝ.ÐÒ2.ÑF22-F12> G=SQRT.; Ñ À t-1J ÆÆ2 f Çææã > H=SQRT; (À-1. Ý)ææ2*-8ææã)

ñíâ5=;5æ:æý.5

IiSF=8. S85æAL0G;CHDÇ^-SaRT ;ÑÍÂÇææ2-1. Ý:> >

UiN=2.3: F 1 æÐ2:-- >: ÐÆ à F H-F2 > æSaRT ; G Æ) ::

FIW=;ATAN; (ÀÈ . 3>.-Â> fATAN< ÑÀ-1.3)/8 æÝ. 5

DRSF1 =4.343 -ftL.0G < < 1. 3 È . Ý/äà- æ21-2. Ý/ÛÍæÑÎÇ Ñ FI éÎ > ÆÝ. 25 >

DRSF2=4.343 ftL0S<< 1.3*ÓÌÆÆ2*-2. a*WN*C0S<FIW)) 3.25)

riRSF=DRSFH-IiRSF2

RETURN

PROGRAM FILTRI,

DIMENSION X<128),H<512>,HL<I512) BVTE PP-QQ DATA PP/V. Ð1=4.3æÀÒÀÍ(1.91 WRITE <7.-131)

íÑÑÅÐÒæ,- i WRITE <7.-1Ý2) ÀÑÑÅÐÒæ.- Ì WRITE (.7ò1&ÇÓ ÀÑÑÅÐÒÆ.- NT- NF WRITE .;7,-134> ÀÑÑÅÐÒÆ,-F1,F2 E2=(NT-1)..3

! ÂÂÎÄ ÈÑÕÎÄÍÛÕ ÄÀÍÍÛÕ!

! ÒÈÏ rin&TPA

! ÒÈÏ ÎÊÍÀ

! ÊÎËÈ×ÅÑÒÂÎ ÎÒÑ×ÅÒΠÈÌÏÓËÜÑÍÎÉ

! È ×ÀÑÒÎÒÍÎÉ ÕÀÐÀÊÒÅÐÈÑÒÈÊ,

! ×ÀÑÒÎÒÛ ÑÐÅÇÀ ÔÈËÜÒÐÀ



U1=2,3: FT*F1 1..12=2.ÝæÐ1æÐ2 WF2=FL0ftT (. HF > :*3.5 +3.5 NT2=FL0ftT ( m :> æä. 5 f 3.5 HO 2 1=1.. NT ! ÐéÑ×ÅÒ

P=I-1-E2 ! ÈÏÏÓËÜÑ

X<I>=<I,J2-W1>,/PI IFCP.EQ.S.S) GO TO 2 X < D=< SIN < ðæó 2 > -SIN <: ðæó 1)) / < ÐæÐ I) CONTINUE DF=2.3.*PI/NF 50 TO i;5/43>,.ri WRITE (7/135) ÉÑÑÅÐÒÆ/  Z3=B

CALL IN0<Z3) DO 6 K=bNT P=K-1-E2

ÿÐ&=ÂæçäðÒ a. Ó - ( P.--E2 ) ÆÆ2 ) CALL INOCARG) W=ARS/Z3 X(i<)=X(K>*W WRITE (7.. 13S) WRITE (Ç.ÕÝÜ) bO TO 15 WRITE <7.1Ý5) ACCEPT*. !

ÊÎÝÔÔÈÖÈÅÍÒΠÍÎÉ ëÀÐÀÊÒÅÐÈÑ

ÂÂÎÄ ÏÀÐÀÌÅÒÐÀ ÎÊÍÀ

ÂÇÂÅØÈÂÀÍÈÅ ÎÊÍÎÌ ÊÀÉÇÅÐÀ

NT/B/Fl..F2..<X<K);K=bHT2) NT. Â.. F1. F2,. f X(Ê)/ Ê= 1, NT2)

NT..Fl..Fb (;X(K).>K=1,.NT2) NT.. Fl,. Ð2ÏÕ(Ê),. Ê=Ü NT2)

! ÐÀÑ×ÅÒ À×Õ ÔÈËÜÒÐÀ ÒÈÏÀ 2

ÂÂÎÄ ÏÀÐÀÌÅÒÐÀ OKlA DO 7 K=1..NT

D=2. ÝæÐ I /NTS ( ê: - ( NT f 1 > .-2.3 >

Ó=Â*-(1.Ý-Â>æÑ0:3(:â> 7 Õ<Ê)=Õà()æó ! ÂÇÂÅØÈÂÀÍÈÅ ÎÊÍÎÌ ÕÝÌÌÈÍÃÀ

WRITE (7.. 137) NT,.B..F1..F2.. (;X(K)..K=1/NT2>

WRITE <3.. 137) NT,.B/F1.-F2.. <XCK)/K=bNT2)

GO TO 15 5 WRITE (7,-138)

URITE (3.-138) 15 GO TO (9.8)/L 3 N2=HT.-2

m 11 l<=l..NF2

DO 10 J=1..N2

10 S=SfXC.J)*C03(DF (K-l) (N2-Jf3,5)>

11 Í(Ê)=2=ÝÆ5 GO TO IS

3 N3=(NT-1 ).-2 ! ÐÀÑ×ÅÒ À×Õ ÔÈËÜÒÐÀ ÒÈÏÀ

Nl=(HTH)/-2 DO 13 K=1.-NF2 S==0,0

DO 12 J=l.-N3

12 S=S f2.ÝÆÕ(J)æÑÎÇ((N3-J+1)æ(Ê-1)*DF)

13 H(K)=SfX(Nl) IS DO 17 K=1..NF2

HL(Ê)=13.3 AL0G13(H(Ê)ææ2) 17 CONTINUE

WRITE (7.. 139> (HL(K),.K=1..NF2) WRITE (3,. 139) (HL(K)/K=bNF2) WRITE (7È11) READ (5.. 113) QQ

iF(pp.Ea.aa) go to 231

131 format (æ.. FILTER TVPE (l.-2) ? )

132 F0RMAT(; > window TVPE (REC-bHAMM-2/KAIS-3) ? )

133 F0RMAT(x.- NTr NF ? )



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