An Improved Doppler Shift Simulation Method Based on Third-Order DDS-Reference-Cited by-同舟云学术

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

Published:2014-09 Issue: Volume:614 Page:356-362
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Li Rui¹,Cai Yuan Long²,Bai Xin Bei²,Lu Ming Quan¹

Affiliation:

1. Tsinghua University

2. Beijing Institute of Technology

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.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.614.356.pdf

Reference5 articles.

1. R. Li, D. Zeng, T. Long and L. Zhang: Architecture and Implementation of a Universal Real-Time GNSS Signal Simulator, Proc. of the 2010 International Technical Meeting of the Institute of Navigation, San Diego, 2010, pp.1037-1043.

2. B. Li, Q. Zhang and D. Yang: Research and implementation of carrier and code NCO in GPS IF simulator, Journal of Test and Measurement Technology, 2006, Vol. 20, No. 6, pp.517-523.

3. W. Qi, Q. Chang and Q. Zhang: Arithmetic of Doppler simulation in high dynamic signal simulator, Acta Aeronautica et Astronautica Sinica, 2008, Vol. 29, No. 5, pp.1252-1257.

4. Y. Song, D. Zeng and T. Zeng: Satellite signal Doppler simulation method based on third -order DDS, Trans. of Beijing Institute of Technology, 2010, Vol. 30, No. 10, pp.1213-1216.

5. Y. Song, H. Zhou, T. Zeng and L, Zhang: Algorithm and Realization of High Dynamic Satellite Signal Doppler Simulation Based On FPGA, Proc. of the 2010 International Technical Meeting of the Institute of Navigation, San Diego, 2010, pp.1214-1220.

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