mystruct.h

利用广播星历计算卫星轨道坐标

///////////////////////////////////////////////
#include<string>
using namespace std;
# ifndef MYSTRUCT_H_H             //防止头文件重复加载
# define MYSTRUCT_H_H
struct time_calendar      //观测历元的日历时,也即信号接收时刻      
{
   double year, month,day,hour,minute;   //要是用int，去除以一个数，结果也是int型的
   double second;
public:
   time_calendar(void) 
                //初始化
   {
	   year=4;
	   month=5;
	   day=1;
	   hour=10;
	   minute=5;
	   second=15;
   }
};
struct time_gps  //gps时间结构体(my_obs结构会用到)
{
   int num_week;   //周数
   double num_sec;   //秒数
   bool operator ==(time_gps &oResID2)            //自定义operate==,运算符重载
   {
	   {return(num_week==oResID2.num_week)&&(num_sec==oResID2.num_sec);};
   }
   double operator -(time_gps &Counter)            //自定义operate-(结果为秒数)
   {
	   time_gps tempG;
	   if(num_week>=Counter.num_week)
	   {
		   tempG.num_sec=num_sec-Counter.num_sec;
		   tempG.num_week=num_week-Counter.num_week;
		   tempG.num_sec+=tempG.num_week*604800;
	   }
	   else if (num_week<Counter.num_week)
	   {
		   int t;
		   t=Counter.num_week-num_week;
		   Counter.num_week-=t;
		   Counter.num_sec+=t*604800;
		   tempG.num_sec=Counter.num_sec-num_sec;
	   }

	   {return tempG.num_sec;};
   }
public:
   time_gps(void)
      //初始化
   {
	   num_sec=0;
	   num_week=0;
   }
};

//....................以下为N文件中要用到................
struct  pare_s_clock   //卫星钟差三参数
{
	time_gps TOC;//TOC
	double a0;
	double a1;
	double a2;
public:
	pare_s_clock(void)
	{
		a0=0;
		a1=0;
		a2=0;
	}
};

struct nav_sat   //卫星轨道参数（参照李征航书）
{
	int PRN;
	time_gps TOE;    //分别在两个地方得到秒数和周数轨道3,秒;轨道4,周
	pare_s_clock pare_clock;//卫星钟差三参数&TOC
	double IODE;
	double Crs;
	double delta_n;
	double M0;
	double Cuc;
	double e;
	double Cus;
	double sqrtA;
	double Cic;
	double OMEGA;
	double Cis;
	double i0;
	double Crc;
	double w;
	double OMEGA_DOT;
	double i_DOT;
	double code_L2;//L2码
	double mark_code_L2;//L2码数据标记
	double pre_sat;//卫星精度
	double hel_sat;//卫星健康状态
	double TGD;
	double IODC;//IODC钟的数据龄期
	double time_sig_send;
public:
   nav_sat(void)
   {
	  PRN=0;
	  IODE=0;
	  Crs=0;
	  delta_n=0;
	  M0=0;
	  Cuc=0;
	  e=0;
	  Cus=0;
	  sqrtA=0;
	  Cic=0;
	  OMEGA=0;
	  Cis=0;
	  i0=0;
	  Crc=0;
	  w=0;
	  OMEGA_DOT=0;
	  i_DOT=0;
	  code_L2=0;
	  mark_code_L2=0;
	  pre_sat=0;
	  hel_sat=0;
	  TGD=0;
	  IODC=0;
	  time_sig_send=0;
   }
};

//---------------------------------------
struct  myCoord
{
   double x;
   double y;
   double z;
   double dts;
public:
	myCoord(void)
	{
		x=0;
		y=0;
		z=0;
		dts=0;
	}
};


struct  delta_cpp
{
   double dx;
   double dy;
   double dz;
   double dTr;
public:
	delta_cpp(void)
	{
		dx=0;
		dy=0;
	    dz=0;
		dTr=0;
	}
};

//...........站心直角坐标................（参照刘基余书P102）
struct sta_rectangular 
{
	double Xps;
	double Yps;
	double Zps;
public: 
	sta_rectangular()
    {
		Xps=0;
		Yps=0;
		Zps=0;
	}
};

//...........站心极坐标................（参照刘基余书P102）
struct sta_polar 
{
	double Rp;
	double Ap;
	double Ep;
public: 
	sta_polar()
    {
		Rp=0;
		Ap=0;
		Ep=0;
	}

};
# endif