Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Journal of Microwaves. Optoelectronics and Electromagnetic Applications |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742019000100096 |
Resumo: | Abstract The two-dimensional ray tracing method allows an easy and fast modeling of tropospheric propagation in the microwave frequency range. A version of this method that determines ray trajectories, amplitudes and delays of the electromagnetic field, as well as the propagation loss in a two-dimensional inhomogeneous environment will be described. The implemented algorithm may consider generalized maps of modified refractivity (or refractive modulus), including not only the vertical gradients, but also their horizontal variations along the path between transmitter and receiver. Next, the present paper will discuss the results from the application of a model of evaporation duct height to data from instruments installed in sea buoys located along the Brazilian coast. Finally, the results from the application of the ray-tracing model to evaporation ducts will be presented, to analyze the propagation of microwave signals in the maritime environment. These results will also be compared with corresponding ones from the software Advanced Refractive Effects Prediction System 3.6, based on the numerical solution of a parabolic equation. |
id |
SBMO-1_2eed05b19697fe63d6bf3019f5149ff9 |
---|---|
oai_identifier_str |
oai:scielo:S2179-10742019000100096 |
network_acronym_str |
SBMO-1 |
network_name_str |
Journal of Microwaves. Optoelectronics and Electromagnetic Applications |
repository_id_str |
|
spelling |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensorsamplitudeevaporation ductmicrowaveparabolic equationsray tracingtroposphereAbstract The two-dimensional ray tracing method allows an easy and fast modeling of tropospheric propagation in the microwave frequency range. A version of this method that determines ray trajectories, amplitudes and delays of the electromagnetic field, as well as the propagation loss in a two-dimensional inhomogeneous environment will be described. The implemented algorithm may consider generalized maps of modified refractivity (or refractive modulus), including not only the vertical gradients, but also their horizontal variations along the path between transmitter and receiver. Next, the present paper will discuss the results from the application of a model of evaporation duct height to data from instruments installed in sea buoys located along the Brazilian coast. Finally, the results from the application of the ray-tracing model to evaporation ducts will be presented, to analyze the propagation of microwave signals in the maritime environment. These results will also be compared with corresponding ones from the software Advanced Refractive Effects Prediction System 3.6, based on the numerical solution of a parabolic equation.Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo2019-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742019000100096Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.18 n.1 2019reponame:Journal of Microwaves. Optoelectronics and Electromagnetic Applicationsinstname:Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)instacron:SBMO10.1590/2179-10742019v18i11633info:eu-repo/semantics/openAccessFreitas,Leonardo L.Costa,Emanoeleng2019-03-19T00:00:00Zoai:scielo:S2179-10742019000100096Revistahttp://www.jmoe.org/index.php/jmoe/indexONGhttps://old.scielo.br/oai/scielo-oai.php||editor_jmoe@sbmo.org.br2179-10742179-1074opendoar:2019-03-19T00:00Journal of Microwaves. Optoelectronics and Electromagnetic Applications - Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)false |
dc.title.none.fl_str_mv |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
title |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
spellingShingle |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors Freitas,Leonardo L. amplitude evaporation duct microwave parabolic equations ray tracing troposphere |
title_short |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
title_full |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
title_fullStr |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
title_full_unstemmed |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
title_sort |
Ray Tracing and Applications to an Evaporation Duct Model Based on Data from Oceanographic Buoy Sensors |
author |
Freitas,Leonardo L. |
author_facet |
Freitas,Leonardo L. Costa,Emanoel |
author_role |
author |
author2 |
Costa,Emanoel |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Freitas,Leonardo L. Costa,Emanoel |
dc.subject.por.fl_str_mv |
amplitude evaporation duct microwave parabolic equations ray tracing troposphere |
topic |
amplitude evaporation duct microwave parabolic equations ray tracing troposphere |
description |
Abstract The two-dimensional ray tracing method allows an easy and fast modeling of tropospheric propagation in the microwave frequency range. A version of this method that determines ray trajectories, amplitudes and delays of the electromagnetic field, as well as the propagation loss in a two-dimensional inhomogeneous environment will be described. The implemented algorithm may consider generalized maps of modified refractivity (or refractive modulus), including not only the vertical gradients, but also their horizontal variations along the path between transmitter and receiver. Next, the present paper will discuss the results from the application of a model of evaporation duct height to data from instruments installed in sea buoys located along the Brazilian coast. Finally, the results from the application of the ray-tracing model to evaporation ducts will be presented, to analyze the propagation of microwave signals in the maritime environment. These results will also be compared with corresponding ones from the software Advanced Refractive Effects Prediction System 3.6, based on the numerical solution of a parabolic equation. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742019000100096 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742019000100096 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/2179-10742019v18i11633 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo |
publisher.none.fl_str_mv |
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo |
dc.source.none.fl_str_mv |
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.18 n.1 2019 reponame:Journal of Microwaves. Optoelectronics and Electromagnetic Applications instname:Sociedade Brasileira de Microondas e Optoeletrônica (SBMO) instacron:SBMO |
instname_str |
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO) |
instacron_str |
SBMO |
institution |
SBMO |
reponame_str |
Journal of Microwaves. Optoelectronics and Electromagnetic Applications |
collection |
Journal of Microwaves. Optoelectronics and Electromagnetic Applications |
repository.name.fl_str_mv |
Journal of Microwaves. Optoelectronics and Electromagnetic Applications - Sociedade Brasileira de Microondas e Optoeletrônica (SBMO) |
repository.mail.fl_str_mv |
||editor_jmoe@sbmo.org.br |
_version_ |
1752122126608891904 |