资源简介
MATLAB。可用地震波偏移成像,非常好用,数据处理
代码片段和文件信息
function vint = clinint(fvfint)
% CLININT: Complex-valued linear interpolation (used by FKMIG)
%
% vint = clinint(fvfint)
%
% CLININT does complex linear interpolation of a function assumed to the
% the t->f transform of a time domain function defined from 0 to some tmax.
% In order to avoid spectral artifacts the interpolation weights are
% complex (i.e. have phase terms). These weights may be derived by
% considering sinc function interpolation which in the time domain is
% boxcar multiplication and shifting the boxcar into the time range
% of 0->tmax.
%
% f ... vector of frequency coordinates. Must be regularly sampled and
% in increasing order.
% v ... vector of complex spectral values
% fint ... vector of interpolation frequencies. All fint must lie between
% f(1) and f(length(f).
% vint ... vector of complex spectral values interpolated linearly at the
% frequencies fint.
%
% G.F. Margrave and J. Bancroft CREWES Project U of Calgary 1996
%
% NOTE: It is illegal for you to use this software for a purpose other
% than non-profit education or research UNLESS you are employed by a CREWES
% Project sponsor. By using this software you are agreeing to the terms
% detailed in this software‘s Matlab source file.
% BEGIN TERMS OF USE LICENSE
%
% This SOFTWARE is maintained by the CREWES Project at the Department
% of Geology and Geophysics of the University of Calgary Calgary
% Alberta Canada. The copyright and ownership is jointly held by
% its author (identified above) and the CREWES Project. The CREWES
% project may be contacted via email at: crewesinfo@crewes.org
%
% The term ‘SOFTWARE‘ refers to the Matlab source code translations to
% any other computer language or object code
%
% Terms of use of this SOFTWARE
%
% 1) Use of this SOFTWARE by any for-profit commercial organization is
% expressly forbidden unless said organization is a CREWES Project
% Sponsor.
%
% 2) A CREWES Project sponsor may use this SOFTWARE under the terms of the
% CREWES Project Sponsorship agreement.
%
% 3) A student or employee of a non-profit educational institution may
% use this SOFTWARE subject to the following terms and conditions:
% - this SOFTWARE is for teaching or research purposes only.
% - this SOFTWARE may be distributed to other students or researchers
% provided that these license terms are included.
% - reselling the SOFTWARE or including it or any portion of it in any
% software that will be resold is expressly forbidden.
% - transfering the SOFTWARE in any form to a commercial firm or any
% other for-profit organization is expressly forbidden.
%
% END TERMS OF USE LICENSE
df=f(2)-f(1);
i1 = floor( fint/df) +1;
int = fint/df+1;
del = (int-i1);
v1 = v(i1).*exp(-i*pi*(del));
v2=v(i1+1).*exp(i*pi*(1-del));
vint = v1 + del.*(v2-v1);
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 2931 2008-08-17 01:35 migration\clinint.m
文件 1022 2008-08-17 01:35 migration\Contents.m
文件 2652 2008-08-17 01:35 migration\conv45.m
文件 729 2008-08-17 01:35 migration\cos_taper.m
文件 5915 2008-08-17 01:35 migration\csinci.m
文件 1869 2008-08-17 01:35 migration\depth2time.m
文件 5730 2008-08-17 01:35 migration\fd15mig.m
文件 10180 2008-08-17 01:35 migration\fkmig.m
文件 1356 2008-08-17 01:35 migration\ips.m
文件 6932 2008-08-17 01:35 migration\kirk.m
文件 12493 2008-08-17 01:35 migration\kirk_mig.m
文件 12303 2008-08-17 01:35 migration\kirk_mig_li.m
文件 9067 2008-08-17 01:35 migration\psnsps_mig.m
文件 1473 2008-08-17 01:35 migration\pstime.m
文件 5570 2008-08-17 01:35 migration\ps_migt.m
文件 1479 2008-08-17 01:35 migration\ps_space.m
文件 430 2008-08-17 01:35 migration\ps_stats.m
文件 1163 2008-08-17 01:35 migration\reduce_kx.m
文件 4115 2008-08-17 01:35 migration\splitstepf_mig.m
文件 3617 2008-08-17 01:35 migration\time2depth.m
文件 13363 2008-08-17 01:35 migration\vz_fkmig.m
文件 12059 2008-08-17 01:35 migration\vz_fkmod.m
文件 3738 2008-08-17 01:35 migration\vz_fk_sim.m
文件 3374 2008-08-17 01:35 migration\vz_mod_sim.m
目录 0 2008-12-18 09:00 migration
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