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TSWE

Translated Spherical Wave Expansion (TSWE) is an advanced Near-Field/Far-Field transformation tool which allows for the reduction of the number of samples in offset spherical NF measurements.

TSWE is based on the modification of spherical wave functions which are properly redefined in a new reference system located on the AUT (not in the center of the measurement sphere).

References:

  • TSWE
TSWE

HOW DOES IT WORK?

  • If the DUT is offset with respect to the center of the measurement sphere more samples are needed to correctly represent the DUT (bigger minimum sphere and more rapidly varying phase).
  • The information associated to the DUT should not depend on its location since the radiator itself is unchanged.
  • The additional samples needed in case of offset measurements can be strongly reduced using TSWE.

Related products

See Insight

Insight

See MV-Echo

MV-Echo

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Related resources

See Application of the Translated-SWE Algorithm for the Characterization of Antennas Installed on Cars Using a Minimum Number of Samples

Application of the Translated-SWE Algorithm for the Characterization of Antennas Installed on Cars Using a Minimum Number of Samples

Technical Papers

See Echo Reduction with Minimum Sampling in Spherical Near Field Measurements using TSWE Algorithm

Echo Reduction with Minimum Sampling in Spherical Near Field Measurements using TSWE Algorithm

Technical Papers

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