北斗卫星产生伪随机码的程序，用以模拟输出伪随机序列-Beidou satellite program generates pseudo-random code to simulate the output of the pseudo-random sequence

The function is used to generate a pseudo-random code generation of any GPS satellite 37 C / A codes Sv_id - satellite number cod - a vector comprising an output sequence g2s - vector containing the corresponding code phase values g2 for obtaining th