地震數(shù)據(jù)處理課程-浙江大學(xué)畢業(yè)論文(編輯修改稿)
2024-07-24 13:48 本頁面
【文章內(nèi)容簡(jiǎn)介】 0),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。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) DO 1 I=1,1281 SINSPRT(I)=SQRT(X_SIN_R(I)**2+X_SIN_I(I)**2) WRITE(1,*)(SINSPRT(I), I=1,128) CLOSE(1)CCCCCCCCCCCCCC 對(duì)脈沖信號(hào)的分析 CCCCCCCCCCCCC X(1)= DO 800 I=2,128800 X(I)= DO 900 I=1,128900 X_C(I)=CMPLX(X(I),) CALL FFT(128,X_C,) DO 1000 I=1,1281000 X_R(I)=REAL(X_C(I)) DO 1100 I=1,1281100 X_I(I)=AIMAG(X_C(I)) OPEN(5,FILE=39。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) 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。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) READ(3,*)(WAVE(I), I=1,128) DO 500 I=1,128500 X_WAVE_C(I)=CMPLX(WAVE(I),) CALL FFT(128,X_WAVE_C,) DO 600 I=1,128600 X_WAVE_R(I)=REAL(X_WAVE_C(I)) DO 700 I=1,128700 X_WAVE_I(I)=AIMAG(X_WAVE_C(I)) OPEN(4,FILE=39。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) 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。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) DO 1 I=1,60 1 XSIN(I)=SIN(2*PI*I/) DO 11 I=1,60 11 XSIN_60C(I)=CMPLX(XSIN(I),) CALL DFT(60,XSIN_60C,) DO 12 I=1,6012 XSIN_R(I)=REAL(XSIN_60C(I)) DO 13 I=1,6013 XSIN_I(I)=AIMAG(XSIN_60C(I)) DO 14 I=1,6014 XSIN_60S(I)=SQRT(XSIN_R(I)**2+XSIN_I(I)**2) WRITE(1,*)(XSIN_60S(I),I=1,60) CLOSE(1)CCCCCCCCCCCCC 對(duì)地震數(shù)據(jù)的分析 CCCCCCCCCCCCCC OPEN(2,FILE=39。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) 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。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) WRITE(3,*)(XWAVE_60ZS(I),I=1,60) CLOSE(3)CCCCCCCCCCCCC 對(duì)補(bǔ)零數(shù)據(jù)的分析 CCCCCCCCCCCCCCCCCCCCCCCCCCCC 對(duì)函數(shù) SIN 的分析 CCCCCCCCCCCCCCCC OPEN(4,FILE=39。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) 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。39。,FORM=39。FORMATTED39。,STATUS=39。UNKNOWN39。) 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)
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