Abstract
Due to the huge costs, space flight experiment cannot be realized in the preliminary step of X-ray pulsar based navigation (XPNAV) research. So, a kind of XPNAV experiment and validation system is designed in this paper. This system is composed of two parts: the simulation of the pulsar signals and the calculation of navigation parameters. In the first part, the time at which X-ray photon arrive the solar system barycentre is modelled by non-homogeneous Poisson process, then the output pulse of X-ray detector while the observation of pulsars can be simulated by time transformation. In the second part, navigation information included in the pulsar signals which are simulated in the first part can be reached using the Delta-Correction method. This system can simulate four pulsar signals and the process of XPNAV at photo level. This system has the advantage of low costs and high simulation accuracy, and provides a reference for the design of prototype for space flight experiments.
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