包括卫星星座编程，c\a码生成，多普勒频移实现，gps信号生成，干扰噪声生成（宽带噪声，窄带噪声，单频噪声）-Programming comprises satellite constellations, c \ a code generator, to achieve the Doppler shift, gps signal generator, generating interference noise (wideband noise, narrowband noise, single f