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KenanZhu111 committed 2024-09-23 10:44:47 +08:00
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#ifndef _BLH2ENU_H_
#define _BLH2ENU_H_
#include<stdlib.h>
#include<math.h>
typedef struct
{
double E;
double N;
double U;
}blh2enu;
/* -------------------------------------------------------------------------- */
/// @brief 将大地高坐标转换为站心坐标
/// @param blh2enu 自定义结构体类型用来传参
/// @param stationB 站心纬度
/// @param stationL 站心经度
/// @param deltax 卫星到站心的x坐标差值
/// @param deltay 卫星到站心的y坐标差值
/// @param deltaz 卫星到站心的z坐标差值
/// @return 返回自定义结构体类型包含E, N, U成员
/* -------------------------------------------------------------------------- */
blh2enu BLH2ENU(blh2enu blh2enu,
double stationB, double stationL,
double deltax, double deltay, double deltaz)
{
double sinB = sin(stationB);
double cosB = cos(stationB);
double sinL = sin(stationL);
double cosL = cos(stationL);
blh2enu.E = - sinL*(deltax) + cosL*(deltay);
blh2enu.N = -sinB*cosL*(deltax) - sinB*sinL*(deltay) + cosB*(deltaz);
blh2enu.U = cosB*cosL*(deltax) + cosB*sinL*(deltay) + sinB*(deltaz);
return blh2enu;
}
#endif