卫星位置计算小程序（C#版）

╰半橙微兮° 2022-10-18 01:42 260阅读 0赞

**一、最终画面**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NzA2MjkwNw_size_16_color_FFFFFF_t_70_pic_center]  
**二、程序代码**

using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    namespace wx
    {
         public partial class Form1 : Form
        {
          public Form1()
            {
        
                InitializeComponent();
            }
            private void button1_Click(object sender, EventArgs e)
            {
         //计算半长轴a:
                double a_sqrt;
                a_sqrt = double.Parse(textBoxa.Text);//输入半长轴的平方根
                double a = a_sqrt * a_sqrt;
                String Sa = "" + a;
                textBoxa_1.Text = Sa.ToString();
                //计算运动的平均角速度n：
                double ln;
                ln = double.Parse(textBoxln.Text);//输入摄动改正数
                double u = double.Parse(textBoxu.Text);//输入椭球引力常数
                double n0 = Math.Pow(u / Math.Pow(a, 3), 0.5);//二次根号下u比三次根号下a
                double n = n0 + ln;//n=n0+ln
                String Sn = "" + n;
                textBoxn.Text = Sn.ToString();  
                //计算归划时间
                double toe = double.Parse(textBoxtoe.Text);//星历基准时间
                double toc = double.Parse(textBoxtoc.Text);//秒数据
                double t1 = double.Parse(textBoxt1.Text);//观测时间t1
                double a0 = double.Parse(textBoxa0.Text);//卫星中飘参数
                double a1 = double.Parse(textBoxa1.Text);
                double a2 = double.Parse(textBoxa2.Text);
                // 计算卫星钟差,a0+a1*(t1-toc)+a2*((t1-toc)*(t1-toc))
                double lt = a0 + a1 * (t1 - toc) + a2 * ((t1 - toc) * (t1 - toc));
                double t = t1 - lt;
                double tk = t - toe;
                String Stk = "" + tk;
                textBoxtk.Text = Stk.ToString();
                //计算真近点角Vk
                double M0 = double.Parse(textBoxM0.Text);//平近点角M0
                double e1 =double.Parse(textBoxe1.Text);//轨道离心率e1
                double Mk = M0 + n * tk;//观测时刻平近点角Mk
                String SMk = "" + Mk;
                textBoxMk.Text = SMk.ToString();
                double Ek_old = Mk;
                double Ek_new = Mk + e1 * Math.Sin(Ek_old);//Ek=Mk+e1*SinEk
                int i = 1;
                //迭代求解E
                while (Math.Abs(Ek_new - Ek_old) > 10e-8)
                {
        
                    Ek_old = Ek_new;
                    Ek_new = Mk + e1 * Math.Sin(Ek_old);
                    i += 1;
                    if (i > 10)
                        break;
                }
                double Ek = Ek_new;//Ek_new为最终解，即偏近点角
                String SEk = "" + Ek;
                textBoxEk.Text = SEk.ToString();
                //计算真近点角Vk
                double Vk1 = (Math.Pow(1 - e1 * e1, 0.5) * Math.Sin(Ek)) / (1 - e1 * Math.Cos(Ek));
                double Vk2 = (Math.Cos(Ek) - e1) / (1 - e1 * Math.Cos(Ek)); 
                double Vk;
                if (Vk2 == 0)
                {
        
                    if (Vk1 > e1)
                        Vk = Math.PI / 2;
                    else
                        Vk = -Math.PI / 2;
                } else 
                {
        
                    Vk = Math.Atan(Vk1/Vk2);
                    if (Vk2<0) 
                    {
         if (Vk1 >= 0)
                        {
         Vk += Math.PI; }
                        else 
                        {
         Vk -= Math.PI; } 
                    }
                }
                String SVk = "" + Vk;
                textBoxVk.Text = SVk.ToString();
                //计算升交距角u0
                double w = double.Parse(textBoxw.Text);//近地点角距w
                double u0 = Vk + w;
                String Su0 = "" + u0;
                textBoxu0.Text = Su0.ToString();
                //计算经过摄动改正的升交距角uk，卫星的地心距离rk，轨道倾角ik
                double Crs = double.Parse(textBoxCrs.Text);//六个摄动改正参数
                double Crc = double.Parse(textBoxCrc.Text);
                double Cuc = double.Parse(textBoxCuc.Text);
                double Cus = double.Parse(textBoxCus.Text);
                double Cic = double.Parse(textBoxCic.Text);
                double Cis = double.Parse(textBoxCis.Text);
                double i0 = double.Parse(textBoxi0.Text);//参考时刻toe的轨道倾角
                double I = double.Parse(textBoxI.Text);//I为轨道倾角i的变化率
                //计算摄动改正项
                double u_k = Cus * Math.Sin(2 * u0) + Cuc * Math.Cos(2 * u0);
                double r_k = Crs * Math.Sin(2 * u0) + Crc * Math.Cos(2 * u0);
                double i_k = Cis * Math.Sin(2 * u0) + Cic * Math.Cos(2 * u0);
                String Su_k = "" + u_k;
                textBoxu_k.Text = Su_k.ToString();
                String Sr_k = "" + r_k;
                textBoxr_k.Text = Sr_k.ToString();
                String Si_k = "" + i_k;
                textBoxi_k.Text = Si_k.ToString();
                double uk = u0 + u_k;//摄动改正后的升交距角
                double rk = a * (1 - e1 * Math.Cos(Ek)) + r_k;//摄动改正后的卫星矢径
                double ik = i0 + i_k + I * tk;//摄动改正后的轨道倾角
                String Suk = "" + uk;
                textBoxuk.Text = Suk.ToString();
                String Srk = "" + rk;
                textBoxrk.Text = Srk.ToString();
                String Sik = "" + ik;
                textBoxik.Text = Sik.ToString();
                //卫星的轨道平面直角坐标
                double xk = rk * Math.Cos(uk);
                double yk = rk * Math.Sin(uk);
                String Sxk = "" + xk;
                textBoxxk.Text = Sxk.ToString();
                String Syk = "" + yk;
                textBoxyk.Text = Syk.ToString();
                //坐标转换
                double omega = double.Parse(textBoxomega.Text);//参考时刻toe时的升交点赤经
                double omega0 = double.Parse(textBoxomega0.Text);//升交点经度的变化率
                double we = double.Parse(textBoxwe.Text);//we地球自转角速度
                double L = omega0 + omega * (t - toe) - we * t;
                String SL = "" + L;
                textBoxL.Text = SL.ToString();
                //计算卫星在地固系下坐标
                double xk1 = xk * Math.Cos(omegak) - yk * Math.Cos(ik) * Math.Sin(omegak);
                double yk1 = xk * Math.Sin(omegak) + yk * Math.Cos(ik) * Math.Cos(omegak);
                double zk1 = yk * Math.Sin(ik);
                String Sxk1 = "" + xk1;
                textBoxxk1.Text = Sxk1.ToString();
                String Syk1 = "" + yk1;
                textBoxyk1.Text = Syk1.ToString();
                String Szk1 = "" + zk1;
                textBoxzk1.Text=Szk1.ToString();
            }
          private void Form1_Load(object sender, EventArgs e) {
        }
         private void button2_Click(object sender, EventArgs e)
            {
        
                double a_sqrt;
                a_sqrt= 5153.7127704599998;
                String Sa_sqrt = "" + a_sqrt;
                textBoxa.Text = Sa_sqrt.ToString();
                double ln;
                ln = 4.1115998360700002e-009;
                String Sln = "" + ln;
                textBoxln.Text = Sln.ToString();
                double u;
                u = 3.986005e14;
                String Su = "" + u;
                textBoxu.Text = Su.ToString();
                double a0, a1, a2;
                a0 = 0.00028600683435800001;
                a1 = 1.7053025658199999e-012;
                a2 = 0;
                String Sa0 = "" + a0;
                String Sa1 = "" + a1;
                String Sa2 = "" + a2;
                textBoxa0.Text = Sa0.ToString();
                textBoxa1.Text = Sa1.ToString();
                textBoxa2.Text = Sa2.ToString();
                double toc;
                double toe;
                toc = 0.00000000000000000;
                toe = 0.00000000000000000;
                String Stoc = "" + toc;
                String Stoe = "" + toe;
                textBoxtoc.Text = Stoc.ToString();
                textBoxtoe.Text = Stoe.ToString();
                double t1;
                t1 = 4800.0;
                String St1 = "" + t1;
                textBoxt1.Text = St1.ToString();
                double M0;
                M0 = 1.2263973009600000;
                String SM0 = "" + M0;
                textBoxM0.Text = SM0.ToString();
                double e1;
                e1 = 0.0053100715158500003;
                String Se1 = "" + e1;
                textBoxe1.Text = Se1.ToString();
                double w;
                w = -1.6819446292500000;
                String Sw = "" + w;
                textBoxw.Text = Sw.ToString();
                double Crs, Crc, Cuc, Cus, Cic, Cis;
                Crs = -105.43750000000000;
                Crc = 175.34375000000000;
                Cuc = -5.5264681577700003e-006;
                Cus = 1.1192634701700000e-005;
                Cic = -9.6857547759999998e-008;
                Cis = -7.8231096267699997e-008;
                String SCrs = "" + Crs;
                String SCrc = "" + Crc;
                String SCuc = "" + Cuc;
                String SCus = "" + Cus;
                String SCic = "" + Cic;
                String SCis = "" + Cis;
                textBoxCrs.Text = SCrs.ToString();
                textBoxCrc.Text = SCrc.ToString();
                textBoxCuc.Text = SCuc.ToString();
                textBoxCus.Text = SCus.ToString();
                textBoxCic.Text = SCic.ToString();
                textBoxCis.Text = SCis.ToString();
                double i0, I;
                i0 = 0.97432927738800001;
                I = 1.8643633724999999e-010;
                String Si0 = "" + i0;
                String SI = "" + I;
                textBoxi0.Text = Si0.ToString();
                textBoxI.Text = SI.ToString();
                double omega, omega0,we;
                omega = -7.7124641122299999e-009;
                omega0 = -2.9080127721900002;
                we = 7.2921151467e-5;
                String Swe = "" + we;
                String Somega = "" + omega;
                String Somega0= "" + omega0;
                textBoxomega.Text = Somega.ToString();
                textBoxomega0.Text = Somega0.ToString();
                textBoxwe.Text = Swe.ToString();
            }
        }
    }

**卫星位置计算（C\#版1.0）.exe文件及源码下载连接：**[https://download.csdn.net/download/weixin\_47062907/19390603][https_download.csdn.net_download_weixin_47062907_19390603]

**卫星位置计算（C\#版2.0）.exe文件及源码下载连接：**[https://download.csdn.net/download/weixin\_47062907/19390650][https_download.csdn.net_download_weixin_47062907_19390650]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NzA2MjkwNw_size_16_color_FFFFFF_t_70_pic_center]: /images/20221014/8f8757b271184eecb07bd07830368400.png
[https_download.csdn.net_download_weixin_47062907_19390603]: https://download.csdn.net/download/weixin_47062907/19390603
[https_download.csdn.net_download_weixin_47062907_19390650]: https://download.csdn.net/download/weixin_47062907/19390650