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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-06-12
Design and Implementation of a Practical Direction Finding Receiver
By
Hao Peng,

    Dr. Hao Peng

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Ziqiang Yang,

    Dr. Ziqiang Yang

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Tao Yang

    Dr. Tao Yang

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 32, 157-167, 2012
doi:10.2528/PIERL12040504 | Google Scholar

Abstract
This paper presents a practical direction finding receiver based on six-port networks. To expand beam direction angles, improve measurement accuracy, and avoid phase ambiguity, we introduce a dual-baseline architecture into the direction finding receiver. We also propose a calibration technique based on support vector regression (SVR) for the following reasons: The nonlinearity of diode detectors and the asymmetry of six-port junctions can cause measurement phase errors. Moreover, the transmission parameters of two microwave channels differ with changes in received power. Results show that the SVR model can achieve a direction finding accuracy of 0.2932°.
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Citation
Hao Peng, Ziqiang Yang, and Tao Yang, "Design and Implementation of a Practical Direction Finding Receiver," Progress In Electromagnetics Research Letters, Vol. 32, 157-167, 2012.
doi:10.2528/PIERL12040504
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