• Two reconstruction algorithms providing spatial resolution smaller than or equal to half a wavelength
  • Definition of the AUT geometry by CAD or mesh file import
  • Automatic generation of reconstruction surface through best-fit canonical surfaces, CAD or mesh files
  • Compatible with most near-field and far-field range data formats
  • Export of reconstructed currents to file


  • Speed up antenna development
  • Detect and filter spurious radiation
  • User friendly interface allows easy setup of AUT geometry and problem formulation
  • Easy visualisation of the measured field and computed results

3D current reconstruction technique

The 3D reconstruction technique uses higher-order basis functions and curved quadrilateral patches. It makes it possible to reconstruct field and surface currents on arbitrary surfaces enclosing the AUT, including conformal surfaces when necessary, with a spatial resolution which can be better than half a wavelength.

  • Input measured field (in amplitude and phase) on any acquisition surface, incl. truncated and irregular surfaces
  • Field reconstruction on arbitrary surfaces enclosing the AUT and conformal to it
  • Applicable to electrically small and medium sized antennas
  • Effective memory use

Planar reconstruction

The planar reconstruction technique involves a spherical-wave to plane-wave transformation. The field is reconstructed on planar surfaces in front of or around the AUT, with a spatial resolution which can be better than half a wavelength.

  • Input measured field (in amplitude and phase) on a full sphere
  • Field reconstruction on a plane or combination of planes
  • Applicable to both electrically small and large antennas
  • Extremely fast computation with low memory requirements

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Filtering of undesired radiation

Efficient post-processing of measured fields by computation of clean antenna patterns where reconstructed currents on cables, mounting fixture or selected areas of the reconstruction surface are suppressed.

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Enhancement of measured patterns

Compute noise-free patterns radiated by the reconstructed currents – the conformal reconstruction surface acts as a physics-based filter that includes the shape of the AUT.

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Contact us

Your project may be complex, but we keep things simple. If you have any questions about our software or services, or you need expert consultancy, we are here to help.

Jakob Rosenkrantz de Lasson


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