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Design and Implementation of GPS/BDS Dual-mode Satellite Navigation Receiver Based on ZYNQ-7020

With the development and perfection of the satellite navigation system, the development of multimode satellite navigation receiver has become one of the important research directions in the field of satellite navigation. This paper introduces a design method of GPS/BDS dual mode receiver based on ZYNQ-7020 architecture. The overall architecture design, joint location algorithm and carrier smoothed pseudo range of the dual mode receiver are introduced in detail. Finally, the feasibility of the design scheme and the positioning performance of the satellite receiver is verified through vehicle field test and simulation on low-orbit satellite orbit.