地震數(shù)據(jù)處理課程-浙江大學(xué)畢業(yè)論文-wenkub
2023-07-12 13:48:17 本頁(yè)面
【正文】 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 ENDCCCCCCCCCCCCCCCCCC 自相關(guān)子程序 CCCCCCCCCCCCCCCCCC SUBROUTINE AUTCOR(J,K,C,A) DIMENSION C(J),A(K) DO 7 N=1,K A(N)= I=N DO 6 IN=I,J IL=INN+1 6 A(N)=A(N)+C(IN)*C(IL) 7 CONTINUE RETURN END4. 設(shè)計(jì)高通濾波因子CCCCCCCCCCC 高通濾波器的設(shè)計(jì) CCCCCCCCCCC PROGRAM MAIN PARAMETER (N=101,DT=,PI=,F=) REAL H(150),H2_R(128),H2_I(128),H_S(128) INTEGER K,NFFT COMPLEX H2(128) OPEN(1,FILE=39。,STATUS=39。,FORM=39。) K=LOG()/LOG() IF(2**)THEN K=K+1 ENDIF NFFT=2**K DO 10,I=50,50 IF()THEN H(I+51)=*F ELSE H(I+51)=SIN(2*PI**I*DT)/(PI*I*DT) END IF10 CONTINUE DO 20,I=102,12820 H(I)= DO 30,I=1,12830 H2(I)=CMPLX(H(I),) CALL FFT(128,H2,) DO 40,I=1,128 H2_R(I)=REAL(H2(I)) H2_I(I)=AIMAG(H2(I)) H_S(I)=(H2_R(I)**2+H2_I(I)**2)40 CONTINUE WRITE(2,*)(H_S(I),I=1,128) WRITE(1,*)(H(I),I=1,128) CLOSE(1) CLOSE(2) END CCCCCCCCCCCCC FFT 子程序 CCCCCCCCCCCCCC SUBROUTINE FFT(LX,CX,SIGNI) COMPLEX CX(LX),CARG,CEXP,CW,CTEMP J=1 SC= IF()SC= SIG=SIGNI DO 30 I=1,LX IF()GO TO 10 CTEMP=CX(J)*SC CX(J)=CX(I)*SC CX(I)=CTEMP 10 M=LX/2 20 IF()GO TO 30 J=JM M=M/2 IF()GO TO 20 30 J=J+M L=1 40 ISTEP=2*L DO 50 M=1,L CARG=(,)*(*SIG*(M1))/L CW=CEXP(CARG) DO 50 I=M,LX,ISTEP CTEMP=CW*CX(I+L) CX(I+L)=CX(I)CTEMP 50 CX(I)=CX(I)+CTEMP L=ISTEP IF()GO TO 40 RETURN END5. 頻譜分析CCCCCCCCCCCCC 頻譜分析 CCCCCCCCCCCCCC PROGRAM MAIN PARAMETER (PI=,DT=) REAL XSIN(200),X(200),WAVE(200) REAL X_SIN_R(200),X_SIN_I(200) REAL X_R(200),X_I(200) REAL X_WAVE_R(200),X_WAVE_I(200) REAL SINSPRT(200),XSPRT(200),WAVESPRT(200) REAL DF COMPLEX XSIN_C(200),X_C(200),X_WAVE_C(200) CCCCCCCCCCCC 對(duì) SIN 的分析 CCCCCCCCCCCC DO 100 I=1,128 XSIN(I)=SIN(2*I*PI/)100 CONTINUECCCCCCCCC 是數(shù)據(jù)轉(zhuǎn)換成復(fù)數(shù)形式 CCCCCCCCCC DO 200 I=1,128200 XSIN_C(I)=CMPLX(XSIN(I),) CALL FFT(128,XSIN_C,) DO 300 I=1,128 300 X_SIN_R(I)=REAL(XSIN_C(I)) DO 400 I=1,128400 X_SIN_I(I)=AIMAG(XSIN_C(I)) OPEN(1,FILE=39。,STATUS=39。,FORM=39。) DO 2 I=1,1282 XSPRT(I)=SQRT(X_R(I)**2+X_I(I)**2) WRITE(5,*)(XSPRT(I), I=1,128) CLOSE(5)CCCCCCCCCCCC 對(duì)地震波 WAVE 的分析 CCCCCCCCCCC OPEN(3,FILE=39。,STATUS=39。,FORM=39。) DO 3 I=1,1283 WAVESPRT(I)=SQRT(X_WAVE_R(I)**2+X_WAVE_I(I)**2) WRITE(4,*)(WAVESPRT(I), I=1,128) CLOSE(4) CLOSE(3) ENDCCCCCCCCCCCCCCC FFT 子程序 CCCCCCCCCCCCCCCCC SUBROUTINE FFT(LX,CX,SIGNI) COMPLEX CX(LX),CARG,CEXP,CW,CTEMP J=1 SC= IF()SC= SIG=SIGNI DO 30 I=1,LX IF()GO TO 10 CTEMP=CX(J)*SC CX(J)=CX(I)*SC CX(I)=CTEMP 10 M=LX/2 20 IF()GO TO 30 J=JM M=M/2 IF()GO TO 20 30 J=J+M L=1 40 ISTEP=2*L DO 50 M=1,L CARG=(,)*(*SIG*(M1))/L CW=CEXP(CARG) DO 50 I=M,LX,ISTEP CTEMP=CW*CX(I+L) CX(I+L)=CX(I)CTEMP 50 CX(I)=CX(I)+CTEMP L=ISTEP IF()GO TO 40 RETURN END6. 分析補(bǔ)零對(duì)振幅譜的影響CCCCCCCCCCC 分析補(bǔ)零對(duì)振幅譜的影響 CCCCCCCCCCC PROGRAM MAINCCCCCCCCCCC 不補(bǔ)零時(shí)的振幅普 CCCCCCCCCCCCCCCCCCCCCCCCCCCC 對(duì)函數(shù) SIN 的分析 CCCCCCCCCCCCCCCC PARAMETER (PI=) REAL XSIN(150),XWAVE(150) REAL XWAVE_R(150),XWAVE_I(150) REAL XSIN_Z(150),XWAVE_Z(150) REAL XSIN_R(150),XSIN_I(150) COMPLEX XSIN_60C(150),XWAVE_60C(150) COMPLEX XSIN_64C(150),XWAVE_64C(150) COMPLEX XSIN_128C(150),XWAVE_128C(150) REAL XSIN_60S(150),XWAVE_60ZS(150) REAL XSIN_64S(150),XWAVE_64ZS(150) REAL XSIN_128S(150),XWAVE_128ZS(150) OPEN(1,FILE=39。,STATUS=39。,FORM=39。) READ(2,*)(XWAVE(I),I=1,60) CLOSE(2) DO 21 I=1,6021 XWAVE_60C(I)=CMPLX(XWAVE(I),) CALL DFT(60,XWAVE_60C,) DO 22 I=1,6022 XWAVE_R(I)=REAL(XWAVE_60C(I)) DO 23 I=1,6023 XWAVE_I(I)=AIMAG(XWAVE_60C(I)) DO 24 I=1,6024 XWAVE_60ZS(I)=SQRT(XWAVE_R(I)**2+XWAVE_I(I)**2) OPEN(3,FILE=39。,STATUS=39。,FORM=39。) DO 31 I=61,64 31 XSIN(I)= DO 32 I=1,64 32 XSIN_64C(I)=CMPLX(XSIN(I),) CALL DFT(64,XSIN_64C,) DO 33 I=1,6433 XSIN_R(I)=REAL(XSIN_64C(I)) DO 34 I=1,6434 XSIN_I(I)=AIMAG(XSIN_64C(I)) DO 35 I=1,6435 XSIN_64S(I)=SQRT(XSIN_R(I)**2+XSIN_I(I)**2) WRITE(4,*)(XSIN_64S(I),I=1,64) CLOSE(4) OPEN(5,FILE=39。,STATUS=39。,FORM=39。) DO 51 I=61,6451 XWAVE(I)= DO 52 I=1
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