%?Filter?coefficients?in?the?spectral?domain?of?a?Gaussian?filter.
%
%?Input:
%?radius:?half-with?radius?parameter?in?km.
%?maxDegree:?maximum?degree?to?compute.
%
%?Output:
%?wn:?（n?+?1）?x?1?vector?with?n?=?maxDegree.
%?The?vector?element?wn（n?+?1）?contains?the?filter?coefficient?of?degree?n.

function?wn?=?filterCoefficientsGaussian（radius?maxDegree）

R?=?6378.137;?%?Earth?radius?[km]
b?=?log（2.）/（1-cos（radius/R））;

wn?=?zeros（maxDegree+11）;
wn（1）?=?1;
wn（2）?=?（1+exp（-2*b））/（1-exp（-2*b））?-?1/b;
for?n=2:maxDegree
??wn（n+1）?=?-（2*n-1）/b?*?wn（n）?+?wn（n-1）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-07-22?15:05??GRACE水儲量解算Matlab代碼\
?????文件?????1267356??2015-11-30?02:37??GRACE水儲量解算Matlab代碼\coast.dat
?????文件?????????568??2015-11-30?03:11??GRACE水儲量解算Matlab代碼\filterCoefficientsGaussian.m
?????文件?????????914??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\geoid_fast.m
?????文件????????1737??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\gravityDisturbance.m
?????文件????????1067??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\gravityDisturbance.m~
?????文件????????1247??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\gravityDisturbance_fast.m
?????文件??????687056??2015-11-30?02:37??GRACE水儲量解算Matlab代碼\ITG-Grace2010_2008-03.gfc
?????文件??????687056??2015-11-30?02:37??GRACE水儲量解算Matlab代碼\ITG-Grace2010_2008-09.gfc
?????文件????????1567??2015-11-30?03:11??GRACE水儲量解算Matlab代碼\legendreFunctions.m
?????文件???????19475??2015-11-30?02:37??GRACE水儲量解算Matlab代碼\loadLove.txt
?????文件????????1197??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\main.m
?????文件??????195460??2015-11-30?03:11??GRACE水儲量解算Matlab代碼\pract1_sphericalHarmonics.pdf
?????文件????????1819??2015-11-30?03:11??GRACE水儲量解算Matlab代碼\readPotentialCoefficients.m
?????文件?????????704??2015-11-30?03:11??GRACE水儲量解算Matlab代碼\showGrid.m
?????文件??????595216??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\slides_practical1_sphericalHarmonics.pdf
?????文件????????1378??2015-11-30?03:12??GRACE水儲量解算Matlab代碼\totalWaterStorage_fast.m
?????文件?????????465??2015-12-21?22:04??GRACE水儲量解算Matlab代碼\來源.txt