Performance comparison of cross correlation and filled aperture imaging riometers

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Performance comparison of cross correlation and filled aperture imaging riometers. / Hagfors, T.; Grill, M.; Honary, F.
In: Radio Science, Vol. 38, No. 6, 12.2003, p. 17/1-17/5.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Hagfors, T, Grill, M & Honary, F 2003, 'Performance comparison of cross correlation and filled aperture imaging riometers', Radio Science, vol. 38, no. 6, pp. 17/1-17/5. https://doi.org/10.1029/2003RS002958

APA

Hagfors, T., Grill, M., & Honary, F. (2003). Performance comparison of cross correlation and filled aperture imaging riometers. Radio Science, 38(6), 17/1-17/5. https://doi.org/10.1029/2003RS002958

Vancouver

Hagfors T, Grill M, Honary F. Performance comparison of cross correlation and filled aperture imaging riometers. Radio Science. 2003 Dec;38(6):17/1-17/5. doi: 10.1029/2003RS002958

Author

Hagfors, T. ; Grill, M. ; Honary, F. / Performance comparison of cross correlation and filled aperture imaging riometers. In: Radio Science. 2003 ; Vol. 38, No. 6. pp. 17/1-17/5.

Bibtex

@article{80d3b661588d492c822720082f885ffc,

title = "Performance comparison of cross correlation and filled aperture imaging riometers",

abstract = "In striving for ever greater angular resolution in riometer (relative ionospheric opacity meter) observations it is tempting to try to use a nonfilled array to reduce the cost of antenna elements. We analyze as an example the Mills Cross configuration, compare its performance as a riometer with that of a filled square array of the same angular resolution and inquire about the penalty of using a sparsely filled array. We find that the susceptibility to interference from sources in the sidelobes is greater than in the filled array, that strong point sources in the sidelobes can cause both positive and negative excursions in the output and that the noise performance is inferior and requires longer integration times for a given rms error than the filled array.",

keywords = "riometer DCS-publications-id, art-568, DCS-publications-credits, aries, iono, DCS-publications-personnel-id, 56, 52, 5",

author = "T. Hagfors and M. Grill and F. Honary",

year = "2003",

month = dec,

doi = "10.1029/2003RS002958",

language = "English",

volume = "38",

pages = "17/1--17/5",

journal = "Radio Science",

issn = "0048-6604",

publisher = "AMER GEOPHYSICAL UNION",

number = "6",

}

RIS

TY - JOUR

T1 - Performance comparison of cross correlation and filled aperture imaging riometers

AU - Hagfors, T.

AU - Grill, M.

AU - Honary, F.

PY - 2003/12

Y1 - 2003/12

N2 - In striving for ever greater angular resolution in riometer (relative ionospheric opacity meter) observations it is tempting to try to use a nonfilled array to reduce the cost of antenna elements. We analyze as an example the Mills Cross configuration, compare its performance as a riometer with that of a filled square array of the same angular resolution and inquire about the penalty of using a sparsely filled array. We find that the susceptibility to interference from sources in the sidelobes is greater than in the filled array, that strong point sources in the sidelobes can cause both positive and negative excursions in the output and that the noise performance is inferior and requires longer integration times for a given rms error than the filled array.

AB - In striving for ever greater angular resolution in riometer (relative ionospheric opacity meter) observations it is tempting to try to use a nonfilled array to reduce the cost of antenna elements. We analyze as an example the Mills Cross configuration, compare its performance as a riometer with that of a filled square array of the same angular resolution and inquire about the penalty of using a sparsely filled array. We find that the susceptibility to interference from sources in the sidelobes is greater than in the filled array, that strong point sources in the sidelobes can cause both positive and negative excursions in the output and that the noise performance is inferior and requires longer integration times for a given rms error than the filled array.

KW - riometer DCS-publications-id

KW - art-568

KW - DCS-publications-credits

KW - aries

KW - iono

KW - DCS-publications-personnel-id

KW - 56

KW - 52

KW - 5

U2 - 10.1029/2003RS002958

DO - 10.1029/2003RS002958

M3 - Journal article

VL - 38

SP - 17/1-17/5

JO - Radio Science

JF - Radio Science

SN - 0048-6604

IS - 6

ER -

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