基于Matlab模拟B1I、B1C和B2a三种中国的第三代北斗卫星导航系统北斗信号.zip

% Yu Chao clear;clc; close all %% BDS B1I PRN NO.01 NO.02扩频码生成 C01_B1I = BDS_B1I(1); C02_B1I = BDS_B1I(2); % 验证 C01 verifi_b1i = C01_B1I(1:11); %[01100101101] = 0x32d %% BDS B1C PRN NO.01 NO.02数据分量主码、导频分量主码和子码 % prn data/pilot w p N N0 first24 chips last24 chips % c01 data 2678 699 10243 10230 % c02 data 4802 694 32235341 17306122 % c01 pilot 796 7575 % c02 pilot 156 2369 % c01 sub 269 1889 3607 1800 % c02 sub 1448 1268 56523173 22276405 C01_B1C_data = BDS_B1C(10243,10230,2678,699); C02_B1C_data = BDS_B1C(10243,10230,4802,694); C01_B1C_pilot = BDS_B1C(10243,10230,796,7575); C02_B1C_pilot = BDS_B1C(10243,10230,156,2369); C01_B1C_sub = BDS_B1C(3607,1800,269,1889); C02_B1C_sub = BDS_B1C(3607,1800,1448,1268); % 验证 C02 b1c数据分量主码/导频分量子码 verifi_b1c1 = C02_B1C_data(1:24); % 011010010011101011100001 verifi_b1c2 = C02_B1C_data(10230-23:10230); % 001111011000110001010010 verifi_b1c3 = C02_B1C_sub(1:24); % 101110101010011001111011 verifi_b1c4 = C02_B1C_sub(1800-23:1800); % 010010010111110100000101 %% BDS B2a PRN NO.01 NO.02数据分量主码、导频分量主码和子码 C01_B2a_pilot = BDS_B2a_pilot(1); C02_B2a_pilot = BDS_B2a_pilot(2); C01_B2a_data = BDS_B2a_data(1); C02_B2a_data = BDS_B2a_data(2); C01_B2a_sub = BDS_B1C(1021,100,123,138); C02_B2a_sub = BDS_B1C(1021,100,55,570); % 验证 C01 b2a数据分量主码 verifi_b2a1 = C01_B2a_data(1:24); % 010110111111001000101110 = 26771056 verifi_b2a2 =C01_B2a_data(10230-23:10230); % 100010110100110110111010 = 42646672