consts.h

来自「开源GPS源码」· C头文件 代码 · 共 19 行

//
// constants defined for GPS
//


double const pi=3.1415926535898E0,r_to_d=57.29577951308232;
double const c=2.99792458e8,omegae=7.2921151467E-5;
//    WGS-84 speed of light m/sec and earth rotation rate rad/sec

double const lambda=0.1902936728; // L1 wavelength in meters

long const SCALED_PI_ON_2 = 25736L;
long const SCALED_PI =      51472L;
int  const N_channels = 12;