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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2017-06-09
Calibration of Time-Domain Transfer Function for UWB Antennas Based on Antennas Factors in Frequency Domain
By
Xueqin Zhang,

    Dr. Xueqin Zhang

    State Key Laboratory of NBC Protection for Civilian

    China

    Homepage

Rui Liang,

    Dr. Rui Liang

    State Key Laboratory of NBC Protection for Civilian

    China

    Homepage

Xin Li,

    Dr. Xin Li

    State Key Laboratory of NBC Protection for Civilian

    China

    Homepage

Donglin Meng

    Dr. Donglin Meng

    National Insititue of Metrology

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 57, 113-118, 2017
doi:10.2528/PIERM17022101 | Google Scholar

Abstract
A new method for calculating the time-domain (TD) transfer function of ultra-wide band (UWB) antennas, which is used for measuring the electromagnetic pulse (EMP) at VHF, is proposed. The phase of the complex antenna factor is constructed based on the Hilbert transform that describes the relationship between the phase and amplitude of a signal in frequency domain (FD). The detailed steps for calibrating the TD transfer function are discussed, and the calibration uncertainty, whose maximum value equals 2.79 dB, is estimated. The presented method is verified by TEM cell calibration, in which the TD transfer function of a wideband antenna is calculated and used to reconstruct time domain electromagnetic pulse. The results show that the difference between the calibrated result with TEM cell calibration and the reconstructed result is 0.58 dB.
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Citation
Xueqin Zhang, Rui Liang, Xin Li, and Donglin Meng, "Calibration of Time-Domain Transfer Function for UWB Antennas Based on Antennas Factors in Frequency Domain," Progress In Electromagnetics Research M, Vol. 57, 113-118, 2017.
doi:10.2528/PIERM17022101
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