Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996
International audience Comparisons between bistatic scatter measurements and simulation results during the Tromsø HF pumping experiment on 16 February 1996 are made. Doppler measurements of an HF diagnostic signal scattered from the field-aligned irregularities (FAIs) in the auroral E-region were ca...
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ftinsu:oai:HAL:hal-00317155v1 2023-11-12T04:16:38+01:00 Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 Borisova, T. D. Blagoveshchenska, N. F. Moskvin, I. V. Rietveld, M. T. Kosch, M. J. Thidé, B. Arctic and Antarctic Research Institute (AARI) Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) Max-Planck-Institut für Aeronomie (MPI Aeronomie) Max-Planck-Gesellschaft Dept. Communication Systems Swedish Institute of Space Physics Uppsala (IRF) 2002 https://hal.science/hal-00317155 https://hal.science/hal-00317155/document https://hal.science/hal-00317155/file/angeo-20-1479-2002.pdf en eng HAL CCSD European Geosciences Union hal-00317155 https://hal.science/hal-00317155 https://hal.science/hal-00317155/document https://hal.science/hal-00317155/file/angeo-20-1479-2002.pdf info:eu-repo/semantics/OpenAccess ISSN: 0992-7689 EISSN: 1432-0576 Annales Geophysicae https://hal.science/hal-00317155 Annales Geophysicae, 2002, 20 (9), pp.1479-1486 [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2002 ftinsu 2023-10-25T16:25:22Z International audience Comparisons between bistatic scatter measurements and simulation results during the Tromsø HF pumping experiment on 16 February 1996 are made. Doppler measurements of an HF diagnostic signal scattered from the field-aligned irregularities (FAIs) in the auroral E-region were carried out on the London ? Tromsø ? St. Petersburg path at 9410 kHz from 21:00 to 22:00 UT. The scattered signals were observed both from natural and artificial ionospheric irregularities located in the vicinity of Tromsø. To simulate the Doppler frequency shifts, f d , of scattered signals, a radio channel model, named CONE, was developed. The model allows for ray tracing, group and phase paths, and Doppler frequency shift calculations. The calculated Doppler shifts were analyzed for dependence on the magnitude and direction of plasma velocities in the scattering volume. It was found that the velocity components in the north-south direction are crucial for explaining the Doppler frequency shifts of the scattered diagnostic signals. To simulate f d , real velocities obtained from the EISCAT UHF radar at an altitude of 278 km and from the digital all-sky imager during the experiment were employed. The simulation results of Doppler frequency shift variations with time are in reasonable agreement with the experimental Doppler shifts of scattered signals on the London ? Tromsø ? St. Petersburg path. Article in Journal/Newspaper EISCAT Tromsø Institut national des sciences de l'Univers: HAL-INSU Tromsø |
institution |
Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Borisova, T. D. Blagoveshchenska, N. F. Moskvin, I. V. Rietveld, M. T. Kosch, M. J. Thidé, B. Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience Comparisons between bistatic scatter measurements and simulation results during the Tromsø HF pumping experiment on 16 February 1996 are made. Doppler measurements of an HF diagnostic signal scattered from the field-aligned irregularities (FAIs) in the auroral E-region were carried out on the London ? Tromsø ? St. Petersburg path at 9410 kHz from 21:00 to 22:00 UT. The scattered signals were observed both from natural and artificial ionospheric irregularities located in the vicinity of Tromsø. To simulate the Doppler frequency shifts, f d , of scattered signals, a radio channel model, named CONE, was developed. The model allows for ray tracing, group and phase paths, and Doppler frequency shift calculations. The calculated Doppler shifts were analyzed for dependence on the magnitude and direction of plasma velocities in the scattering volume. It was found that the velocity components in the north-south direction are crucial for explaining the Doppler frequency shifts of the scattered diagnostic signals. To simulate f d , real velocities obtained from the EISCAT UHF radar at an altitude of 278 km and from the digital all-sky imager during the experiment were employed. The simulation results of Doppler frequency shift variations with time are in reasonable agreement with the experimental Doppler shifts of scattered signals on the London ? Tromsø ? St. Petersburg path. |
author2 |
Arctic and Antarctic Research Institute (AARI) Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) Max-Planck-Institut für Aeronomie (MPI Aeronomie) Max-Planck-Gesellschaft Dept. Communication Systems Swedish Institute of Space Physics Uppsala (IRF) |
format |
Article in Journal/Newspaper |
author |
Borisova, T. D. Blagoveshchenska, N. F. Moskvin, I. V. Rietveld, M. T. Kosch, M. J. Thidé, B. |
author_facet |
Borisova, T. D. Blagoveshchenska, N. F. Moskvin, I. V. Rietveld, M. T. Kosch, M. J. Thidé, B. |
author_sort |
Borisova, T. D. |
title |
Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
title_short |
Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
title_full |
Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
title_fullStr |
Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
title_full_unstemmed |
Doppler shift simulation of scattered HF signals during the Tromsø HF pumping experiment on 16 February 1996 |
title_sort |
doppler shift simulation of scattered hf signals during the tromsø hf pumping experiment on 16 february 1996 |
publisher |
HAL CCSD |
publishDate |
2002 |
url |
https://hal.science/hal-00317155 https://hal.science/hal-00317155/document https://hal.science/hal-00317155/file/angeo-20-1479-2002.pdf |
geographic |
Tromsø |
geographic_facet |
Tromsø |
genre |
EISCAT Tromsø |
genre_facet |
EISCAT Tromsø |
op_source |
ISSN: 0992-7689 EISSN: 1432-0576 Annales Geophysicae https://hal.science/hal-00317155 Annales Geophysicae, 2002, 20 (9), pp.1479-1486 |
op_relation |
hal-00317155 https://hal.science/hal-00317155 https://hal.science/hal-00317155/document https://hal.science/hal-00317155/file/angeo-20-1479-2002.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1782333705127198720 |