gps_satellite_distribute.m

本程序设计了GPS卫星仿真器

% %%%%%% epoch:2007-11-13 03:57:16 %%%%%
% orbit1_gps=[1 4.5400 102.2000;2 0.9291 119.6900;3 2.9457 121.1930;4 1.5982 201.6000;5 3.8443 279.3092;6 3.8983 310.5221;
%            7 56.0809 73.0584;8 61.2858 75.6329;9 58.0237 99.1263;10 64.3226 197.5240;11 59.3681 283.2706;
%           12 122.4455 35.2236;13 121.5149 63.7100;14 122.9474 122.0666;15 119.2881 282.9085;16 116.4080 291.6214;
%           17 185.3241 43.2823;18 177.8195 92.6683;19 179.2949 94.9314;20 182.0682 165.1487;21 175.6705 316.6786;
%           22 244.4460 44.1409;23 243.1482 158.1092;24 241.0768 220.7654;25 231.2451 331.3742;
%           26 306.2532 76.5029;27 304.1233 98.5981;28 303.7289 143.0790;29 300.6605 286.1687;30 302.9437 333.5620];
% %%%%%% epoch:2007-04-01 14:21:46 %%%%%%
% orbit1_gps=[1 12.4664 313.6181;2 13.2561 99.1277;3 10.4480 41.9519;4 12.4727 289.5653;5 11.6077 116.5486;6 10.5432 209.4507;
%            7 65.1275 73.1881;8 66.9823 101.9770;9 68.3454 286.8979;10 73.1479 200.4810;11 70.2154 77.1527;
%            12 125.5712 295.1060;13 128.3618 285.5386;14 131.8240 123.7737;15 131.3074 44.5724;16 130.3997 73.6977;
%            17 186.9655 97.3078;18 188.4401 98.7626;19 184.9619 319.1793;20 194.1995 55.7345;21 190.8460 172.0155;
%            22 253.5063 46.1491;23 251.3094 346.3001;24 241.0610 333.6671;25 252.3879 163.3319;26 250.2394 231.0366;
%            27 311.8862 334.8484;28 309.8682 287.5291;29 312.8828 146.8152;30 313.3067 94.0084];
orbit1_gps=[1 325.73 190.96;2 325.73 220.48;3 325.73 330.17;4 325.73 83.58;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
       5 25.73 249.90;6 25.73 352.12;7 25.73 25.25;8 25.73 124.10;
       9 85.73 286.20;10 85.73 48.94;11 85.73 155.08;12 85.73 183.71;
       13 145.73 312.30;14 145.73 340.93;15 145.73 87.06;16 145.73 209.81;
       17 205.73 11.90;18 205.73 110.76;19 205.73 143.88;20 205.73 246.11;
       21 265.73 52.42;22 265.73 165.83;23 265.73 275.52;24 265.73 305.04];
 x=orbit1_gps(:,2);
 y=orbit1_gps(:,3);
 figure('Name','GPS卫星分布图','NumberTitle','off');
 plot(x,y,'r.');
 axis([0,360,0,360]);
 %grid;
 title('GPS卫星分布图 ');
 xlabel('Right ascension of the ascending node/^{\circ}');
 ylabel('Argument of perigee+Mean anomaly/^{\circ}');