gps卫星位置的计算.pdf

#includestdlib.h

#includestdio.h

#includectype.h

#includestring.h

#includemath.h

#includetime.h

#definebPI3.1415926535898

#definebGM843.986005e14

#definebOMEGAE847.2921151467e-5

/*SampleBroadcastMessageinunitofradians,seconds,meters.

2001723200.0-.857324339449D-04-.272848410532D-11.000000000000D+00

.200000000000D+02.886875000000D+02.465376527657D-08.105827953357D+01

.457651913166D-05.223578442819D-02.177137553692D-05.515379589081D+04

.936000000000D+05.651925802231D-07.164046615454D+01-.856816768646D-07

.961685061380D+00.344968750000D+03.206374037770D+01-.856928551657D-08

.342514267094D-09.000000000000D+00.112400000000D+04.000000000000D+00

.200000000000D+01.000000000000D+00-.651925802231D-08.276000000000D+03

.865800000000D+05.000000000000D+00.000000000000D+00.000000000000D+0

0

*/

//Programwrittenforinstructionalpurposesonly.Inpracticethiswouldbeageneralized

function.

//Thisapproachwasadoptedforclarityandfornon-programmers.BenjaminW.Remondi,

February2004

//Dr.BenjaminW.RemondiisthePresidentCEOofTheXYZsofGPS,Inc.

//ItisessentialthatthereaderhavetheICD-200available.

voidmain(void)

{

longdoubleroota=5153

longdoubletoe=93600.0;

longdoublem0=1.05827953357;

longdoublee=0.00223578442819;

longdoubledelta_n=0.465376527657e-08;

longdoublesmallomega=2.06374037770;

longdoublecus=0.177137553692e-05;

longdoublecuc=0.457651913166e-05;

longdoublecrs=88.6875000000;

longdoublecrc=344.968750000;

longdoublecis=-0.8568