Multi-band and reconfigurable front-ends for flexible and multi-functional RF systems

R Malmqvist, A Ouacha… - 2007 Asia-Pacific …, 2007 - ieeexplore.ieee.org
This report summarizes some of the recent results at FOI with respect to multi-band and
reconfigurable front-ends for flexible and multi-functional RF systems. Firstly, we report on a …

Ka-band RF MEMS phase shifters for energy starved millimetre-wave radar sensors

R Malmqvist, C Samuelsson… - CAS 2010 …, 2010 - ieeexplore.ieee.org
Low-loss millimetre-wave RF MEMS phase shifters made on quartz are assessed with
respect to a Ka-band low-power multifunctional radar sensor application. A loaded line type …

An integrated Relative Navigation system using GPS/VISNAV for ultra-close spacecraft formation flying

J Chen, X Wang, X Shao, D Duan - 2010 3rd International …, 2010 - ieeexplore.ieee.org
To improve the accuracy and better fault-tolerant performance for ultra-close spacecraft
formation flying, a Global Position System (GPS)/Vision based Navigation (VISNAV) …

On the use of MEMS phase shifters in a low-cost ka-band multifunctional ESA on a small UAV

R Malmqvist, C Samuelsson… - 2007 Asia-Pacific …, 2007 - ieeexplore.ieee.org
We present a system concept for a Ka-band multi-functional electronically steerable antenna
(ESA) on a small UAV that is based on using sub-arrays with low-loss RF MEMS phase …

Clutter properties for STAP with smooth and faceted cylindrical conformal antennas

S Björklund, T Boman… - 2010 IEEE Radar …, 2010 - ieeexplore.ieee.org
Conformal antennas, which assume the shape of the platform, have several advantages; like
reduced weight and space, aerodynamic design and increased field of view. We are …

Antenna RF-system simulation including hardware artifacts

T Boman, R Malmqvist, C Samuelsson… - Proceedings of the …, 2010 - ieeexplore.ieee.org
In this paper we present an antenna RF system simulator and two application examples: a) a
conformal electronically scanned multifunction antenna on-board a UAV for surveillance and …

Space-time adaptive processing with a half-cylinder faceted conformal antenna

S Bjorklund, S Björklund - … for a Safer World"(RADAR 2009), 2009 - ieeexplore.ieee.org
Conformal antennas, which assumes the shape of the platform, have several advantages,
like reduced weight and space; aerodynamic design and increased field of view. We are …

Experimental investigation of a smoothly curved antenna array on a UAV-nose mock-up

L Pettersson, R Gunnarsson, O Lunden… - Proceedings of the …, 2010 - ieeexplore.ieee.org
Experimental investigation of a smoothly curved antenna array on a UAV-nose mock-up Page 1
Experimental investigation of a smoothly curved antenna array on a UAV-nose mock-up L …