NEAR-FIELD ANTENNA MEASUREMENT METHOD AND MEASUREMENT SYSTEM USING THE SAME
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United States of America Patent
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Aug 31, 2017
app pub date -
May 25, 2016
filing date -
Feb 26, 2016
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Abstract
A near-field antenna measurement method and a measurement system using the same is disclosed. The measurement method chooses a measurement block to measuring an antenna signal emitted by an antenna under test on the measurement block. Firstly, a plurality of initial measurement points is chosen on measurement block and initial electric field values of the antenna signal at the initial measurement points are measured. Then, a plurality of initial interpolation points cooperating with the initial measurement points on the measurement block is chosen to comply with the sampling theorem. Interpolation is performed on the initial electric field values to obtain initial electric field interpolation values respectively corresponding to the initial interpolation points. Finally, the initial electric field values and the initial electric field interpolation values are processed to obtain electric filed convergence values of the antenna signal at the initial measurement points and the initial interpolation points.
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