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Matlab地震處理小程序。內部包含多個小程序,滿足不同地震分析需要

代碼片段和文件信息
%?Log_examples1
%???????Example?of?the?usage?of?log-related?functions?
clear?all
presets
global?S4M
S4M.interactive=0; %?Run?without?user?intervention?(turn-off?some?pop-up?
????????????????????????%?windows?requesting?user?intervention)
% Create?a?synthetic?log?with?a?sonic?made?up?from?Gaussian?noise;
depth=(5000:0.5:10000)‘;
nsamp=length(depth);
dt=150+25*randn(nsamp1);
wlog=l_convert([depthdt]{‘depth‘‘ft‘‘Depth‘;‘DTp‘‘us/ft‘‘P-sonic‘});
wlog.name=‘Synthetic?log‘;
% Add?Kelley?bushing?elevation?as?a?parameter
wlog=add_parameter(wlog84{‘KBE‘‘ft‘‘Kelly?bushing?elevation‘});
% Add?a?trend?to?the?sonic?log
wlog=l_curve_math(wlog‘replace‘‘dtp=dtp*(5000/depth)^0.333‘);
% Extract?sonic?curve?from?log
dtp=l_gc(wlog‘dtp‘);
% Use?“dtp“?to?add?a?curve?with?P-velocity?(curve?mnemonic?‘Vp‘)
wlog=l_curve(wlog‘add‘‘Vp‘1.0e6./dtp‘ft/s‘‘P-velocity‘);
% Use?an?alternative?method?to?add?a?density?curve?computed?
%???????via?Gardner‘s?formula
wlog=l_curve_math(wlog‘add_ne‘‘rho=0.23*vp^0.25‘‘g/cm3‘‘Density‘);
% Plot?curves
l_plot(wlog)
% Change?the?units?of?measurement?from?feet?to?meter
wlog=l_unit_conversion(wlog{‘ft‘‘m‘});
% Change?the?units?of?measurement?from?feet/second?to?meters/second
%???????and?from?microseconds/foot?to?microseconds/meter.
wlog=l_unit_conversion(wlog{‘ft/s‘‘m/s‘}{‘us/ft‘‘us/m‘});
% Display?summary?information?about?the?log?curves
l_curve(wlog)
% Compute?density?trend?(requires?the?Optimization?Toolbox)
if?exist(‘fmincon‘)?>?0
???[wlogaux]=l_regression(wlog‘rho=x1*depth^x2‘{‘lbounds‘00}?...
??????????????{‘ubounds‘101});
% Compare?density?with?density?trend
???l_plot1(wlog{‘curves‘‘rho‘‘rho_pred‘})
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????291??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\abs.m
?????文件????????301??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\exp.m
?????文件????????305??2006-12-01?20:20??94254010S4M\S4M\Geophysics_2.01\@struct\imag.m
?????文件????????295??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\log.m
?????文件???????1370??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\minus.m
?????文件????????430??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\mrdivide.m
?????文件???????1631??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\mtimes.m
?????文件???????1389??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\plus.m
?????文件????????304??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\power.m
?????文件???????1429??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\rdivide.m
?????文件????????300??2006-12-01?20:20??94254010S4M\S4M\Geophysics_2.01\@struct\real.m
?????文件????????296??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\sign.m
?????文件????????293??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\sqrt.m
?????文件???????1529??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\times.m
?????文件????????289??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\uminus.m
?????文件????????275??2006-07-02?17:35??94254010S4M\S4M\Geophysics_2.01\@struct\uplus.m
?????文件????????964??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\add_curve_type.m
?????文件????????841??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\add_parameter.m
?????文件????????136??2005-12-26?22:27??94254010S4M\S4M\Geophysics_2.01\ddid.m
?????文件????????392??2007-07-25?13:32??94254010S4M\S4M\Geophysics_2.01\default_seismic_colormap.m
?????文件???????7690??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_append.m
?????文件???????4014??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_average.m
?????文件???????5723??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_check.m
?????文件???????4577??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_combine.m
?????文件???????4435??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_compare.m
?????文件???????3829??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_convert.m
?????文件???????4451??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_crossplot.m
?????文件???????8980??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_curve.m
?????文件???????4741??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_curve_math.m
?????文件???????1714??2006-12-01?19:57??94254010S4M\S4M\Geophysics_2.01\l_data.m
............此處省略299個文件信息
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