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Journal of Applied Remote Sensing

Velocity estimation of high-speed target for step frequency radar
Author(s): Ruiqi Tian; Caiyong Lin; Qinglong Bao; Zengping Chen
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Paper Abstract

Aiming to precisely estimate the velocity of high-speed targets for step frequency (SF) radar, a positive–positive–negative SF waveform consisting of two continuous positive SF pulse trains and a negative one is designed, and a velocity estimation method is proposed based on two-dimensional time-domain cross correlation (2-D TDCC). Making full use of the characteristics of the designed waveform, the coarse velocity estimation is achieved by 2-D TDCC of positive–positive SF pulse trains and then the Radon transform is applied to solve velocity ambiguity for high-speed targets. After velocity compensation for positive–negative SF pulse trains, the velocity residual is estimated precisely by 2-D TDCC. Simulation results show that the proposed method exhibits good performance for estimation accuracy, stability performance, computational complexity, and data rate by comparisons.

Paper Details

Date Published: 15 June 2016
PDF: 11 pages
J. Appl. Rem. Sens. 10(2) 025022 doi: 10.1117/1.JRS.10.025022
Published in: Journal of Applied Remote Sensing Volume 10, Issue 2
Show Author Affiliations
Ruiqi Tian, National Univ. of Defense Technology (China)
Caiyong Lin, National Univ. of Defense Technology (China)
Qinglong Bao, National Univ. of Defense Technology (China)
Zengping Chen, National Univ. of Defense Technology (China)

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