Modeling and simulation of continuous wave velocity radar based on third-order DPLL

Yan Di; Chen Zhu; Ma Hong

doi:10.1117/12.2182131

6 March 2015 Modeling and simulation of continuous wave velocity radar based on third-order DPLL

Yan Di, Chen Zhu, Ma Hong

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94464L (2015) https://doi.org/10.1117/12.2182131
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

Second-order digital phase-locked-loop (DPLL) is widely used in traditional Continuous wave (CW) velocity radar with poor performance in high dynamic conditions. Using the third-order DPLL can improve the performance. Firstly, the echo signal model of CW radar is given. Secondly, theoretical derivations of the tracking performance in different velocity conditions are given. Finally, simulation model of CW radar is established based on Simulink tool. Tracking performance of the two kinds of DPLL in different acceleration and jerk conditions is studied by this model. The results show that third-order PLL has better performance in high dynamic conditions. This model provides a platform for further research of CW radar.

Citation Download Citation

Yan Di, Chen Zhu, and Ma Hong "Modeling and simulation of continuous wave velocity radar based on third-order DPLL", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94464L (6 March 2015); https://doi.org/10.1117/12.2182131

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