A Novel Testing Approach for AM Tracking Error of GCS DEWE2010 Based
2014
The functions and approval test requirements of the GCS were introduced. The composition and working principle of DEWE 2010, a portable data acquisition system, were presented, which provides a feasible technological approach for software demodulation of AM signals in GCS testing. On researching the principles of AM signal modulation, two novel coherent and non-coherent software demodulation methods for AM tracking error of GCS were devised with mixed programming of LabWindows and MatLab. Test and simulation results show that the measuring accuracy and automation level of novel AM tracking error testing approach meet the requirements of test measurement.
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