www.gusucode.com > MATLAB编程伽利略和北斗的BOC捕获跟踪和解算程序 > MATLAB编程伽利略和北斗的BOC捕获跟踪和解算程序/gnss_sw_radio2/Acquisition_tb_B1_full.m
clear all; close all; samples = Samples('B1',... '/home/ondrej/wnav/snapshots/snapshot_mem_03_b1.dat'); ChipPeriod = 1e-3; NumberOfSamples = floor(ChipPeriod/samples.SamplingPeriod); NumberOfPeriods = 5; B1_pc = PrimaryPRNCode('B1', NumberOfSamples, 1); samples.loadSamples(NumberOfSamples*(NumberOfPeriods+1)); acq = Acquisition('B1', samples.FrequencyOffset); for SVID = 1:37 fprintf(1, 'Acquiring B1 PRN %d ... \n', SVID); acq.Acquire(samples, NumberOfPeriods, 1e-8, SVID, B1_pc); if (acq.DetectionStatus) fprintf(1, 'B1 PRN %d successfully acquired! \n', SVID); figure(SVID); clf; [m n] = size(acq.CCF); plot((1:m)*samples.SamplingPeriod, abs(acq.CCF),... (1:m)*samples.SamplingPeriod, repmat(acq.Threshold, m, 1)); xlabel('Time [s]'); ylabel('CorrOut [-]'); legend('CCF','Threshold'); end end % 5ms, snapshot_mem_02_b1.dat: detected SVs: 3, 7, 10, 30