Seismic Unix 常用命令#

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suaddhead<seis_wave.dat  ns=100 >seis.su   （ns,n1，nt为每一道的采样数）

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surange< seis.su   tracl-道数；offset-偏移距；ns-纵向采样点；dt-单位us

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supswigb < seis.su d1=0.002 title='original DATA' label1='sec' label2='trace number' >SEIS.eps            （d1, 采样间隔）

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segyread tape='Line_001.sgy' verbose=0 endian=0>data.su

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suximage <2015.su cmap=rgb1 title='original data' legend=1 label1="seconds" cmap=rgb1 &
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sugain <2015.su|suximage cmap=rgb1 &       （数据增益）

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smooth2 < 501-501.dat n1= n2= r1= r2= >sm.dat
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n1纵采样点，r1 r2平滑度，一般 为5 or 10

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suaddhead < image.dat n1=151>xx.su
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sukfrac <xx.su power=2 phasefac=-1 >xx.bin
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sustrip <xx.bin > image-lap.dat   n1纵向采样点

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suaddhead <shot.dat n1=4000 >aa.su
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suaddnoise <aa.su >shot.su sn=10 noise=gauss
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sustrip <shot.su >shot_new.dat

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suwind <vel.su key=tracl min=1 max=140 >vel_1.su  key为取窗的关键字