Description: In order to validate the model for capturing and tracking the high dynamic signal of the software GPS
receiver on limited experiment condition, a method for modeling the high dynamic numeric IF signal was presented
based on the software GPS receiver platform. The basic frame of the software GPS receiver platform structure was
introduced, and according to the impact of the Doppler effect of the pseudo-noise code and the frequency error of the
local oscillator on the received signal in high dynamic environment, a more precise model of high dynamic GPS
numeric IF signal was deduced and established. To make the model be applicable in more complicated environment,
the required intensity of the signal was obtained by setting the noise’s magnitude of the received signal and adjusting
the Signal-to-Noise ratio. In the process of setting the signal parameters, the ratio of the incident signal’s magnitude to
the reflected one and the time delay of the reflected signal were adjust
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基于软件GPS平台的高动态数字中频信号模拟与实现.pdf
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