Antenna Device for Analysis of Space-Time Vector Signals

Nesteruk, S.V.; Protsenko, M.B.

doi:10.1109/uwbus.2006.307257

Cited by 3 publications

(2 citation statements)

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“…in (1) is the delay term that depends on the position of the -th antenna in the array, and can be derived as (3) where , and . is the position of the -th antenna in the -plane, as defined in Fig.…”

Section: A General Transfer Function Of the Uwb Arraymentioning

confidence: 99%

“…These signals are used in applications such as interferometers, mine detection [1], radar warning receiver antennas [2], phased array elements and polarimeters [3]. In our UWB human tracking radar development, we found that tracking a human target is challenging, due to the fact that the human body is a complex target [4] thus the reflected signal is highly time-variable.…”

Section: Introductionmentioning

confidence: 99%

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Time Domain Characterization of Circularly Polarized Ultrawideband Array

Tan

Chia

Rambabu

2010

IEEE Trans. Antennas Propagat.

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The transmitted signal by a circularly polarized ultrawideband (CP-UWB) array is a short pulse of circularly rotating E-field vector in time domain. A mathematical model is derived for a transmitted pulse radiated by a CP-UWB array antenna. To validate the model, an array of four sequentially rotated ridged horns is constructed, and the transmitted pulse is measured in time domain. The measurement is done with a linearly polarized antenna in far-field, for different rotational angles. The E-field vector transmitted by the CP-UWB array is constructed with the measured time-domain pulses. The measured pulse is compared with the derived pulse for validation. Both measured and derived pulses are compared for various parameters such as the CP-UWB array's sense of polarization, axial ratio, gain and phase difference between orthogonal signals.

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Section: A General Transfer Function Of the Uwb Arraymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%