Coherent FDA Radar: Transmitter and Receiver Design and Analysis
Abstract
The combination of frequency diverse array (FDA) radar technology with the multiple input multiple output (MIMO) radar architecture and waveform diversity techniques potentially promises a high integration gain with respect to conventional phased array (PA) radars. In this paper, we propose an approach to the design of the transmitter and the receiver of a coherent FDA (C-FDA) radar, that enables it to perform the demodulation with spectral overlapping, due to the small frequency offset. To this purpose, we derive the generalized space-time-range signal model and we prove that the proposed C-FDA radar has a higher coherent array gain than a PA radar, and at the same time, it effectively resolves the secondary range-ambiguous (SRA) problem of FDA-MIMO radar, allowing for mainlobe interference suppression and range-ambiguous clutter suppression. Numerical analysis results prove the effectiveness of the proposed C-FDA radar in terms on anti-interference and anti-clutter capabilities over conventional radars.
Keywords
Cite
@article{arxiv.2408.03045,
title = {Coherent FDA Radar: Transmitter and Receiver Design and Analysis},
author = {Yan Sun and Ming-jie Jia and Wen-qin Wang and Maria Sabrina Greco and Fulvio Gini and Shunsheng Zhang},
journal= {arXiv preprint arXiv:2408.03045},
year = {2024}
}