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EnglishAn efficient probe-compensated near-field/far-field transformation technique with planar spiral scanning is proposed, which uses a minimum number of data. A non-redundant sampling representation of the probe output voltage on a planar spiral and a fast, accurate and stable interpolation algorithm are developed. By choosing the angular step of the spiral coincident with the sample spacing needed to interpolate such a voltage on a radial line, it is possible to reconstruct the data required by the standard probe-compensated plane-rectangular near-field/far-field transformation technique. The use of an open-ended cylindrical waveguide as scanning probe allows probe co-rotation to be avoided. Numerical examples are reported, assessing the accuracy and the stability of the far-field reconstruction process.
| Titolo: | Probe compensated FF reconstruction by NF planar spiral scanning | |
| Autori: | ||
| Data di pubblicazione: | 2002 | |
| Rivista: | ||
| Abstract: | An efficient probe-compensated near-field/far-field transformation technique with planar spiral scanning is proposed, which uses a minimum number of data. A non-redundant sampling representation of the probe output voltage on a planar spiral and a fast, accurate and stable interpolation algorithm are developed. By choosing the angular step of the spiral coincident with the sample spacing needed to interpolate such a voltage on a radial line, it is possible to reconstruct the data required by the standard probe-compensated plane-rectangular near-field/far-field transformation technique. The use of an open-ended cylindrical waveguide as scanning probe allows probe co-rotation to be avoided. Numerical examples are reported, assessing the accuracy and the stability of the far-field reconstruction process. | |
| Handle: | http://hdl.handle.net/11386/1058258 | |
| Appare nelle tipologie: | 1.1.2 Articolo su rivista con ISSN |
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