地震數(shù)據(jù)處理課程-浙江大學(xué)畢業(yè)論文-文庫(kù)吧資料
2025-07-03 13:48本頁(yè)面
【正文】 ) A(1)= IF()RETURN DO 6 L=2,LR D= L3=L1 DO 1 J=1,L3 K=LJ+1 1 D=D+A(J)*R(K) C=D/V IF()GOTO 4 L1=(L2)/2 L2=L1+1 IF()GOTO 3 DO 2 J=2,L2 HOLD=A(J) K=LJ+1 A(J)=A(J)C*A(K) 2 A(K)=A(K)C*HOLD IF(2*)GOTO 4 3 LT3=L2+1 A(LT3)=A(LT3)C*A(LT3) 4 A(L)=C 6 V=VC*D RETURN END9. 零相位轉(zhuǎn)換CCCCCCCCCCC 零相位的轉(zhuǎn)換 CCCCCCCCCCCCC PROGRAM MAIN REAL B(32),B1(32),BC_S(32),B_CONV(32) REAL BC_R(32),BC_I(32) DATA B/0,1,3,5,7,9,10,8,6,4,2,0,1,0,1,2,3,0,1,0,2,1,0,0/ COMPLEX B_C(32),BC_SZ(32) DO 10,I=1,32 IF()THEN B_C(I)=(,) ELSE B_C(I)=CMPLX(B(I),) END IF10 CONTINUE CALL FFT(32,B_C,) DO 20,I=1,32 BC_R(I)=REAL(B_C(I)) BC_I(I)=AIMAG(B_C(I)) BC_S(I)=SQRT(BC_R(I)**2+BC_I(I)**2)20 BC_SZ(I)=CMPLX(BC_S(I),) CALL FFT(32,BC_SZ,) DO 30,I=1,3230 B_CONV(I)=REAL(BC_SZ(I)) OPEN (1,FILE=39。,STATUS=39。,FORM=39。) WRITE(2,*)(A(I),I=1,60)CCCCCCC 通過(guò)反濾波因子求反射系數(shù)序列 CCCCCCC CALL CON(A,X_CONV,A_CONV,60,211,270) OPEN(3,FILE=39。,STATUS=39。,FORM=39。) READ(1,*)(R(I),I=1,200)CCCCCCCCCCCCCC 求合成地震記錄 CCCCCCCCCCCCCC CALL CON(R,B,X_CONV,200,12,211)CCCCCCCCCCCC 求地震子波的自相關(guān) CCCCCCCCCCCC CALL AUTCOR(211,211,X_CONV,RXX)CCCCCCCCCCCCCCC 求反濾波因子 CCCCCCCCCCCCCCC CALL PEO(211,RXX,A) OPEN(2,FILE=39。,STATUS=39。,FORM=39。) WRITE(4,*)(Y_LINEAR(I),I=1,101) CLOSE(4) ENDCCCCCCCCCCCCCC 線性卷積子程序 CCCCCCCCCCCCCC SUBROUTINE CON(A,B,C,I,J,K) DIMENSION A(I),B(J),C(K) DO 1 K1=1,K 1 C(K1)= DO 2 I1=1,I DO 2 I2=1,J II=I1+I21 2 C(II)=C(II)+A(I1)*B(I2)* RETURN ENDCCCCCCCCCCCCCCC 圓周卷積子程序 CCCCCCCCCCCCCC SUBROUTINE CIRCON(X,H,Y,N) REAL X(N),H(N),Y(N) DO I=1,N Y(I)= ENDDO DO I=1,N DO J=1,N IF() Y(I)=Y(I)+X(J)*H(IJ) ENDDO ENDDO END8. 最小平方反濾波CCCCCCCCCC 兩種反射系數(shù)序列的對(duì)比 CCCCCCCCCC PROGRAM MAIN REAL B(12),R(200),X_CONV(211),RXX(211) REAL A(211),A_CONV(270) DATA B/, OPEN(1,FILE=39。,STATUS=39。,FORM=39。) DO 20 I=1,10020 X2(I)=X(I) X2(100)= CALL CIRCON(X2,H,Y_CIRCLE,101) WRITE(3,*)(Y_CIRCLE(I),I=1,101) CLOSE(3)CCCCCCC 線性卷積輸出點(diǎn)等于圓周卷積 CCCCCC OPEN(4,FILE=39。,STATUS=39。,FORM=39。) WRITE(2,*)(Y_LINEAR(I),I=1,200) CLOSE(2)CCCCCCCCCCCCC 圓周濾波的設(shè)計(jì) CCCCCCCCCCCC OPEN(3,FILE=39。,STATUS=39。,FORM=39。) READ(1,*)(X(I),I=1,100)CCCCCCCCCCCCCCC低通濾波器CCCCCCCCCCCCC DO 10 I=50,50 IF ()THEN H(I)=2*F*PI/PI ELSE H(I)=SIN(2*PI*F*I*DT)/(PI*I*DT) END IF10 CONTINUE CALL CON(X,H,Y_LINEAR,100,101,200)CCCCCCCCCCCC輸出濾波后的數(shù)據(jù)CCCCCCCCCCCCCCC OPEN(2,FILE=39。,STATUS=39。,FORM=39。) DO 61 I=65,12861 XWAVE(I)= DO 62 I=1,12862 XWAVE_128C(I)=CMPLX(XWAVE(I),) CALL DFT(128,XWAVE_128C,) DO 63 I=1,12863 XWAVE_R(I)=REAL(XWAVE_128C(I)) DO 64 I=1,12864 XWAVE_I(I)=AIMAG(XWAVE_128C(I)) DO 65 I=1,12865 XWAVE_128ZS(I)=SQRT(XWAVE_R(I)**2+XWAVE_I(I)**2) WRITE(7,*)(XWAVE_128ZS(I),I=1,128) CLOSE(7) ENDCCCCCCCCCCCCCCC DFT 子程序 CCCCCCCCCCCCCCCC SUBROUTINE DFT(N,C,S) COMPLEX C(N),Y(512),W IF()Z= IF()Z=(N) DO 20 I=1,N Y(I)=(,) DO 20 J=1,N A=COS(**(I1)*(J1)/FLOAT(N)) B=SIN(**(I1)*(J1)/FLOAT(N))*(S) W=CMPLX(A,B) 20 Y(I)=Y(I)+C(J)*W DO 30 I=1,N 30 C(I)=Y(I)*Z RETURN END7. 線性褶積與循環(huán)褶積CCCCCCCCC 線性濾波與循環(huán)褶積比較 CCCCCCCCC PROGRAM MAIN CCCCCCCCCCCCC 線性濾波 CCCCCCCCCCCCCCCCCCCCCCCCCCC H是低通濾波因 CCCCCCCCCCCC PARAMETER (PI=, DT=,F=) REAL X(100),X2(101),H(50:50),Y_LINEAR(200),Y_CIRCLE(200) OPEN(1,FILE=39。,STATUS=39。,FORM=39。) DO 51 I=61,6451 XWAVE(I)= DO 52 I=1,6452 XWAVE_64C(I)=CMPLX(XWAVE(I),) CALL DFT(64,XWAVE_64C,) DO 53 I=1,6453 XWAVE_R(I)=REAL(XWAVE_64C(I)) DO 54 I=1,6454 XWAVE_I(I)=AIMAG(XWAVE_64C(I)) DO 55 I=1,6455 XWAVE_64ZS(I)=SQRT(XWAVE_R(I)**2+XWAVE_I(I)**2) WRITE(6,*)(XWAVE_64ZS(I),I=1,64) CLOSE(6) OPEN(7,FILE=39。,STATUS=39。,FORM=39。) DO 41 I=65,12841 XSIN(I)= DO 42 I=1,128 42 XSIN_128C(I)=CMPLX(XSIN(I),) CALL DFT(128,XSIN_128C,) DO 43 I=1,12843 XSIN_R(I)=REAL(XSIN_128C(I)) DO 44 I=1,12844 XSIN_I(I)=AIMAG(XSIN_128C(I)) DO 45 I=1,12845 XSIN_128S(I)=SQRT(XSIN_R(I)**2+XSIN_I(I)**2) WRITE(5,*)(XSIN_128S(I),I=1,128) CLOSE(5)CCCCCCCCCCCCC 對(duì)地震數(shù)據(jù)的分析 CCCCCCCCCCCCCC OPEN(6,FILE=39。,STATUS=39。,FORM=39。) DO 31 I=61,64 31 XSIN(I)=
環(huán)評(píng)公示相關(guān)推薦
鄂ICP備17016276號(hào)-1