A phased array behavior of a unilaterally coupled active antennas has been investigated. The active antenna is composed of a patch antenna and a parallel feedback type oscillator which can be coupled unilaterally to other oscillators without other nonreciprocal components. Numerical calculations of the reduced equations describing the behavior of the coupled oscillators array demonstrated that the phase differences between the oscillators can be varied up to about π/2 by giving the frequency changes from the injection locking frequency to the oscillators except of the first one. The oscillator mounted with the varactor diode for wide tuning range exhibited the property suitable for constructing the unilaterally coupled array. In the experiments at X-band, the electromagnetic wave radiated from the five element array was successfully scanned.
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Minoru SANAGI, Tomomichi KAGAWA, Shigeji NOGI, "Phased Array Behavior of Unilaterally Coupled Active Antennas with Varactor Diodes" in IEICE TRANSACTIONS on Electronics,
vol. E86-C, no. 2, pp. 192-198, February 2003, doi: .
Abstract: A phased array behavior of a unilaterally coupled active antennas has been investigated. The active antenna is composed of a patch antenna and a parallel feedback type oscillator which can be coupled unilaterally to other oscillators without other nonreciprocal components. Numerical calculations of the reduced equations describing the behavior of the coupled oscillators array demonstrated that the phase differences between the oscillators can be varied up to about π/2 by giving the frequency changes from the injection locking frequency to the oscillators except of the first one. The oscillator mounted with the varactor diode for wide tuning range exhibited the property suitable for constructing the unilaterally coupled array. In the experiments at X-band, the electromagnetic wave radiated from the five element array was successfully scanned.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e86-c_2_192/_p
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@ARTICLE{e86-c_2_192,
author={Minoru SANAGI, Tomomichi KAGAWA, Shigeji NOGI, },
journal={IEICE TRANSACTIONS on Electronics},
title={Phased Array Behavior of Unilaterally Coupled Active Antennas with Varactor Diodes},
year={2003},
volume={E86-C},
number={2},
pages={192-198},
abstract={A phased array behavior of a unilaterally coupled active antennas has been investigated. The active antenna is composed of a patch antenna and a parallel feedback type oscillator which can be coupled unilaterally to other oscillators without other nonreciprocal components. Numerical calculations of the reduced equations describing the behavior of the coupled oscillators array demonstrated that the phase differences between the oscillators can be varied up to about π/2 by giving the frequency changes from the injection locking frequency to the oscillators except of the first one. The oscillator mounted with the varactor diode for wide tuning range exhibited the property suitable for constructing the unilaterally coupled array. In the experiments at X-band, the electromagnetic wave radiated from the five element array was successfully scanned.},
keywords={},
doi={},
ISSN={},
month={February},}
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TY - JOUR
TI - Phased Array Behavior of Unilaterally Coupled Active Antennas with Varactor Diodes
T2 - IEICE TRANSACTIONS on Electronics
SP - 192
EP - 198
AU - Minoru SANAGI
AU - Tomomichi KAGAWA
AU - Shigeji NOGI
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E86-C
IS - 2
JA - IEICE TRANSACTIONS on Electronics
Y1 - February 2003
AB - A phased array behavior of a unilaterally coupled active antennas has been investigated. The active antenna is composed of a patch antenna and a parallel feedback type oscillator which can be coupled unilaterally to other oscillators without other nonreciprocal components. Numerical calculations of the reduced equations describing the behavior of the coupled oscillators array demonstrated that the phase differences between the oscillators can be varied up to about π/2 by giving the frequency changes from the injection locking frequency to the oscillators except of the first one. The oscillator mounted with the varactor diode for wide tuning range exhibited the property suitable for constructing the unilaterally coupled array. In the experiments at X-band, the electromagnetic wave radiated from the five element array was successfully scanned.
ER -