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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-01-27
Beamforming of Frequency Diverse Array Radar with Nonlinear Frequency Offset Based on Logistic Map
By
Zhonghan Wang,

    Dr. Zhonghan Wang

    School of Electronic and Optical Engineering

    Nanjing University of Science and Technology

    China

    Homepage

Tong Mu,

    Dr. Tong Mu

    School of Electronic and Optical Engineering

    Nanjing University of Science and Technology

    China

    Homepage

Yaoliang Song,

    Dr. Yaoliang Song

    School of Electronic and Optical Engineering

    Nanjing University of Science and Technology

    China

    Homepage

Zeeshan Ahmad

    Dr. Zeeshan Ahmad

    School of Electronic and Optical Engineering

    Nanjing University of Science and Technology

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 64, 55-63, 2018
doi:10.2528/PIERM17103101 | Google Scholar

Abstract
In this paper, a multi-carrier nonlinear frequency modulation system based on pseudo-random frequency offset is designed. The reduction of the main lobe 3\,dB width and the side-lobe peaks cannot be realized simultaneously in conventional beamforming schemes, especially when the number of array elements remains unchanged. The proposed system can reduce the main-lobe 3 dB width and suppressing the side-lobe peaks simultaneously. This is done by adjusting the number of sub-signals, frequency offset coefficient and the inter-element spacing. Then, through time slot processing, signal power is focused on different targets. Numerical simulation experiments are implemented to validate the theoretical analysis of the proposed methodology, and comparisons with other techniques are made.
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Citation
Zhonghan Wang, Tong Mu, Yaoliang Song, and Zeeshan Ahmad, "Beamforming of Frequency Diverse Array Radar with Nonlinear Frequency Offset Based on Logistic Map," Progress In Electromagnetics Research M, Vol. 64, 55-63, 2018.
doi:10.2528/PIERM17103101
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