?? venugd.m
字號:
% venugd.m
% Scope: This MATLAB macro performs the transformation from ENU (East,
% North, Up) to geodetic coordinates for a given position vector
% and a reference point.
% Usage: pgd = venugd(penu,pgdref)
% Description of parameters:
% penu - input, ENU position vector, with components in meters
% pgdref - input, geodetic position of the reference point, where
% pgdref(1) = latitude in radians
% pgdref(2) = longitude in radians
% pgdref(3) = altitude in meters
% pgd - output, geodetic position of the final point, where
% pgd(1) = latitude in radians
% pgd(2) = longitude in radians
% pgd(3) = altitude in meters
% External Matlab macros used: tecefgd, tgdecef, venuecef
% Last update: 04/04/00
% Copyright (C) 1996-00 by LL Consulting. All Rights Reserved.
function pgd = venugd(penu,pgdref)
pecef = venuecef(penu,pgdref(1),pgdref(2));
pecefref = tgdecef(pgdref(1),pgdref(2),pgdref(3));
temp = pecef + pecefref;
[pgd(1),pgd(2),pgd(3)] = tecefgd(temp);
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