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Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers

Research output: Contribution to conference - Without ISBN/ISSN › Other

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Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers. / Grill, Martin; Senior, Andrew; Honary, Farideh et al.
2005. 23-36 Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop.

Research output: Contribution to conference - Without ISBN/ISSN › Other

Harvard

Grill, M, Senior, A, Honary, F & Kosch, MJ (ed.) 2005, 'Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers', Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop, 1/01/00 pp. 23-36.

APA

Grill, M., Senior, A., Honary, F., & Kosch, M. J. (Ed.) (2005). Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers. 23-36. Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop.

Vancouver

Grill M, Senior A, Honary F, Kosch MJ, (ed.). Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers. 2005. Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop.

Author

Grill, Martin ; Senior, Andrew ; Honary, Farideh et al. / Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers. Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop.14 p.

Bibtex

@conference{d87c7ccea853465b9dc18b5f36a12645,
title = "Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers",
abstract = "Absorption images as obtained by imaging riometers such as IRIS are usually created by interpolating between absorption values for individual beams. For IRIS, the locations of the beam centres serve as grid points for subsequent linear interpolation. Although generally producing good results, the fact that the actual shape of the imaging beams is not considered, potentially introduces errors and can lead to misinterpretations. In this paper, two alternative interpolation methods are introduced. Method A is based on measuring the similarity between simulated reception of individual point sources and actually received data. Method B uses a mathematical model of the sky brightness distribution parametrised by the received data. All interpolation methods are applied to power data, as opposed to absorption data, in order to avoid any errors that might be introduced by intermediate processing steps, especially QDC (quiet-day curve) generation. We apply all methods to synthetically generated test data as well as to three exemplary real datasets which are also compared to a calculated sky brightness distribution obtained from a skymap.",
keywords = "riometer DCS-publications-id, inproc-381, DCS-publications-credits, aries, iono-fa, iris, DCS-publications-personnel-id, 52, 51, 5",
author = "Martin Grill and Andrew Senior and Farideh Honary and Kosch, {M. J.}",
year = "2005",
month = dec,
language = "English",
pages = "23--36",
note = "Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop ; Conference date: 01-01-1900",

}

RIS

TY - CONF

T1 - Two new approaches to spatial interpolation with inherent sidelobe suppression for imaging riometers

AU - Grill, Martin

AU - Senior, Andrew

AU - Honary, Farideh

A2 - Kosch, M. J.

PY - 2005/12

Y1 - 2005/12

N2 - Absorption images as obtained by imaging riometers such as IRIS are usually created by interpolating between absorption values for individual beams. For IRIS, the locations of the beam centres serve as grid points for subsequent linear interpolation. Although generally producing good results, the fact that the actual shape of the imaging beams is not considered, potentially introduces errors and can lead to misinterpretations. In this paper, two alternative interpolation methods are introduced. Method A is based on measuring the similarity between simulated reception of individual point sources and actually received data. Method B uses a mathematical model of the sky brightness distribution parametrised by the received data. All interpolation methods are applied to power data, as opposed to absorption data, in order to avoid any errors that might be introduced by intermediate processing steps, especially QDC (quiet-day curve) generation. We apply all methods to synthetically generated test data as well as to three exemplary real datasets which are also compared to a calculated sky brightness distribution obtained from a skymap.

AB - Absorption images as obtained by imaging riometers such as IRIS are usually created by interpolating between absorption values for individual beams. For IRIS, the locations of the beam centres serve as grid points for subsequent linear interpolation. Although generally producing good results, the fact that the actual shape of the imaging beams is not considered, potentially introduces errors and can lead to misinterpretations. In this paper, two alternative interpolation methods are introduced. Method A is based on measuring the similarity between simulated reception of individual point sources and actually received data. Method B uses a mathematical model of the sky brightness distribution parametrised by the received data. All interpolation methods are applied to power data, as opposed to absorption data, in order to avoid any errors that might be introduced by intermediate processing steps, especially QDC (quiet-day curve) generation. We apply all methods to synthetically generated test data as well as to three exemplary real datasets which are also compared to a calculated sky brightness distribution obtained from a skymap.

KW - riometer DCS-publications-id

KW - inproc-381

KW - DCS-publications-credits

KW - aries

KW - iono-fa

KW - iris

KW - DCS-publications-personnel-id

KW - 52

KW - 51

KW - 5

M3 - Other

SP - 23

EP - 36

T2 - Proceedings of the 31st Annual European Meeting on Atmospheric Studies by Optical Methods and 1st International Riometer Workshop

Y2 - 1 January 1900

ER -