An Improved Doppler Shift Simulation Method Based on Third-Order DDS

Rui Li; Yuan Long Cai; Xin Bei Bai; Ming Quan Lu

doi:10.4028/www.scientific.net/AMM.614.356

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 614An Improved Doppler Shift Simulation Method Based...

An Improved Doppler Shift Simulation Method Based on Third-Order DDS

Abstract:

A method to simulate the Doppler frequency shift of high dynamic signals of Global Navigation Satellite Systems (GNSS) is provided in this paper. The methodology of the method based on third-order Direct Digital Synthesis (DDS) is introduced and the efficient implementation architecture is proposed. The design criteria of the DDS are investigated according to the precision and dynamic range of the Doppler shift. The simulation results are also demonstrated, which indicate that the method is available for the high precision Doppler shift simulation of GNSS signals.

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Periodical:

Applied Mechanics and Materials (Volume 614)

Pages:

356-362

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.614.356

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Online since:

September 2014

Authors:

Rui Li*, Yuan Long Cai, Xin Bei Bai, Ming Quan Lu

Keywords:

Direct Digital Synthesis, Doppler Shift, High Dynamic, Satellite Navigation, Simulation

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* - Corresponding Author

References

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