Päivi Koivisto

发表

Reflectarray for 120-GHz beam steering application: design, simulations, and measurements

Markku Sipilä, Aleksi Tamminen, Arttu Luukanen, 2012, Defense + Commercial Sensing.

Rapid beamsteering reflectarrays for mm-wave and submm-wave imaging radars

Aleksi Tamminen, Juha Ala-Laurinaho, Janne Häkli, 2011, Defense + Commercial Sensing.

Genetic algorithm applied to determine the spherical wave expansion from amplitude‐only far‐field data

Päivi Koivisto, Johan C.-E. Sten, 2005 .

Near-field measurements of submillimeter-wave reflectarrays

Markku Sipilä, Aleksi Tamminen, Juha Ala-Laurinaho, 2013, Defense, Security, and Sensing.

Quality factor of an electrically small antenna radiating close to a conducting plane

Arto Hujanen, Päivi Koivisto, Johan C.-E. Sten, 2001 .

Reflectarray design for 120-GHz MMID application: simulation results

Aleksi Tamminen, Arttu Luukanen, Janne Häkli, 2011 .

Limitations for the Radiation Q of a Small Antenna Enclosed in a Spheroidal Volume: Axial Polarisation

Arto Hujanen, Päivi Koivisto, Johan C.-E. Sten, 2001 .

ON THE INFLUENCE OF INCOMPLETE RADIATION PATTERN DATA ON THE ACCURACY OF A SPHERICAL WAVE EXPANSION

Päivi Koivisto, Johan C.-E. Sten, J. Stén, 2005 .

Comparision of Measured and Fdtd Calculated Distortions of Antenna Radiation Patterns Due To Nearby Boards

Päivi Koivisto, P. Koivisto, 1998 .

Reduction of Errors in Antenna Radiation Patterns Using Optimally Truncated Spherical Wave Expansion

Päivi Koivisto, P. Koivisto, 2004 .