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Compact Antenna for Picosatellites Using a Meandered Folded-Shorted Patch Array
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DOI：10.1109/LAWP.2020.2966088.png)
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Abstract
En 中文
The design and operation of a compact antenna array offering circularly polarized (CP) radiation for picosat and other small satellites for communication applications is presented. The proposed array combines the folded-shorted patches (FSPs) and meandering for antenna miniaturization. Realization of CP is achieved by a compact and planar feed circuit consisting of a network of meander-shaped 90 degrees and 180 degrees hybrid couplers, which can provide quadrature feeding of the FSP elements and can be integrated onto the backside of the antenna ground plane, which is only 5 x 5 cm(2). Agreement in terms of the simulations and measurements is observed with realized gain values of more than 3 dBic at 1.065 GHz and with an antenna size of 0.17 lambda(0) x 0.17 lambda(0).
Keywords:
Circular polarisation (CP)
folded-shorted patch (FSP) antenna
meandering
satellite communications
sequentially rotated arrays
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