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10 items by relevance
1 Report

Higher-order near-field probes.: D10: Summary Report

Pivnenko, Sergey; Kim, Oleksiy S.; Nielsen, Jeppe Majlund; Breinbjerg, Olav

Year: 2012

Language: English

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2 Conference paper

Errors of first-order probe correction for higher-order probes in spherical near-field antenna measurements

Laitinen, Tommi; Nielsen, Jeppe Majlund; Pivnenko, Sergiy; Breinbjerg, Olav

2004 Ursi Emts, International Symposium on Electromagnetic Theory — 2004, pp. 588-590

An investigation is performed to study the error of the far-field pattern determined from a spherical near-field antenna measurement in the case where a first-order (mu=+-1) probe correction scheme is applied to the near-field signal measured by a higher-order probe.

Year: 2004

Language: English

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3 Conference paper

Superdirective narrowband first-order probe versus wideband higher-order probe for spherical near-field antenna measurements at P-band

Pivnenko, Sergey; Kim, Oleksiy S.; Breinbjerg, Olav

Proceedings of 35th Esa Antenna Workshop on Antenna and Free Space Rf Measurements — 2013

A comparative study of the wideband 400-1200 MHz higher-order probe and the narrowband 431 MHz first-order probe, in terms of their advantages and disadvantages for spherical near-field antenna measurements at P-band, is presented. The comparison is based on the experimental data and focused

Year: 2013

Language: English

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4 Conference paper

Complex-point dipole formulation of probe-corrected spherical near-field scanning of electromagnetic fields using symmetric higher-order probes

Hansen, Thorkild; Pivnenko, Sergey; Breinbjerg, Olav

Proceedings of Loughborough Antennas and Propagation Conference — 2009, pp. 249-252

A computationally efficient probe-corrected electromagnetic theory is presented for computing the field of an arbitrary source of finite extent (test antenna) from measurements with a known symmetric probe on a surrounding spherical surface. The new theory, which can deal with higher-order probes

Year: 2009

Language: English

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5 Conference paper

Comparison of the FFT/matrix inversion and system matrix techniques for higher-order probe correction in spherical near-field antenna measurements

Pivnenko, Sergey; Nielsen, Jeppe Majlund; Breinbjerg, Olav; Laitinen, T.; Hansen, Thorkild B.

Proceedings of the 33rd Esa Antenna Workshop on Challenges for Space Antenna Systems — 2011

Two higher-order probe-correction techniques for spherical near-field antenna measurements are compared in details for the accuracy they provide and their computational cost. The investigated techniques are the FFT/matrix inversion and the system matrix inversion. Each of these techniques allows

Year: 2011

Language: English

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6 Conference paper

Design and experimental verification of near-field Ka-band probe based on wideband OMJ with minimum higher-order spherical mode content

Foged, L. J.; Giacomini, A.; Morbidini, R; Estrada, J.; Pivnenko, Sergey

Proceedings of the 34th Annual Symposium of the Antenna Measurement Techniques Association — 2012, pp. 228-232

technology capable of maintaining the same high performance standards of traditional probes However, in typical Spherical Near Field (SNF) measurement scenarios, the applicable frequency range of the single probe can also be limited by the content of μ≠1 spherical modes in the probe pattern [6-7

Year: 2012

Language: English

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