%function?[M]=AreaSelect（mapposszCellP）
function?[kx?ky?m?n]=AreaSelect（posszCellsigma）

%?Select?area?for?Terrain?Aided?Navigation
%
%?Syntax:
%???[M]=AreaSelect（mapsigma）;
%????map?--->?digital?map?array;
%????pos?--->?position?vector?indicated?by?INS;
%????sigma?->?covariance?of?estimation?error;



%error（nargchk（44nargin））;

%sigma?=?diag（sqrt（P））;??%?root?square?error

m?=?2*ceil（sigma（1）/szCell）;?%?number?of?rows
n?=?2*ceil（sigma（2）/szCell）;?%?number?of?columns

kx?=?round（pos（1）/szCell）;??%?indicated?index?in?the?map
ky?=?round（pos（2）/szCell）;

%M?=?map（kx-m:kx+mky-n:ky+n）;

?屬性????????????大小?????日期????時間???名稱
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?????文件????????620??2012-08-26?15:15??TERCOM\AreaSelect.m

?????文件????????126??2012-08-26?19:21??TERCOM\COR.m

?????文件????3840376??2001-04-02?23:10??TERCOM\dig-map\map.mat

?????文件????1378936??2000-10-30?22:30??TERCOM\dig-map\map2.mat

?????文件????????260??2012-08-23?14:25??TERCOM\dig-map\plotDTEB.m

?????文件????????163??2012-08-26?09:08??TERCOM\MAD.m

?????文件????3840376??2001-04-02?23:10??TERCOM\map.mat

?????文件?????????95??2012-08-26?10:33??TERCOM\MSD.m

?????文件???????1899??2012-08-27?14:37??TERCOM\TerrainMatching.m

?????目錄??????????0??2012-08-24?20:08??TERCOM\dig-map

?????目錄??????????0??2012-09-02?17:03??TERCOM

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??????????????9062851????????????????????11