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Miroslav Veljovic

Related publications (11)

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An accurate material characterization method for microwave printed-circuit-board substrates is proposed by combining the microwave ring resonator method with iterative full-wave simulations. A detailed error analysis is performed quantitatively to compensa ...

IEEE2021

An ultralow-profile circularly polarized (CP) reflectarray (RA) antenna is presented in this article, based on the variable-rotation technique for beam collimation and scanning. Starting from a conventional split-loop element, a new wideband element is des ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

CubeSats are a type of small satellites (< 500 kg) that weigh several kilograms and consist of multiple Units (U) measuring 100 × 100 × 113.5 mm3. CubeSats emerged as a low-cost alternative to conventional large satellites, and have since demonstrated capa ...

EPFL2020

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The design of a specific antenna for a cranial implant is used to illustrate design and simulation issues linked to implantable antennas. After a brief introduction, we will review the requirements for the antenna, and go through the design process, discus ...

IEEE2020

Antenna design for a cranial implant

Anja Skrivervik, Zvonimir Sipus, Miroslav Veljovic

This contributions presents the design process for an antenna designated for the telemetry in a cranial implant. Issues like physical limitation, simulation problems and design strategies will he addressed and final design presented. ...

IEEE2020

Circularly Polarized Axially Corrugated Feed Horn for CubeSat Reflectarray Applications

Anja Skrivervik, Miroslav Veljovic

Retlectarray (RA) and transmitarray (TA) antennas that use the element-rotation technique require the radiation from the feeding antenna to be circularly polarized (CP). A CP axially corrugated horn antenna is developed as a feeding element for CubeSat RA ...

IEEE2020

A circularly polarized transmitarray antenna based on aperture-coupled patches is presented for CubeSat intersatellite-link applications in K-band. The concept of aperture coupling simplifies the design of transmitarray elements, as it omits the need for m ...

2020

Patch Antenna System for CubeSats in L band

Anja Skrivervik, Miroslav Veljovic

An L-band patch-antenna system for CubeSat applications is presented in this paper. The high-permittivity dielectric loading reduces the size of individual antennas to make them suitable for a CubeSat platform. Two circularly polarized patch antennas were ...

The European Association on Antennas and Propagation (EurAAP)2019

Aperture-Coupled Low-Profile Wideband Patch Antennas for CubeSat

Anja Skrivervik, Miroslav Veljovic

This communication presents the design and measurement results of aperture-coupled stripline-fed wideband patch antennas for nanosatellite applications. The low-profile requirements lead to a strong back radiation from the coupling aperture. Instead of sup ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

A Comparison of Three Feeding Networks for CubeSat L/S-dual-band Stacked-Patch Antennas

Anja Skrivervik, Miroslav Veljovic

The CubeSat nanosatellite standard puts strict limitations on the antenna volume, resulting in a low impedance and axial-ratio (AR) bandwidths of patch antennas. The AR of a circularly polarized patch antenna can be improved with the introduction of a dedi ...

IEEE2019