Výsledky vyhledávání

An alternating renewal process to model constellation availability

Autor: L. Simonini, K.H. Teo, V. Schena, Kang Tai

Publikováno v: Advances in Space Research. 68:3717-3730

Constellation availability is an important assessment criteria of a constellation usually modeled with the assumption of the Markov property. We show this assumption does not hold for the time to long-term outage distribution of GPS satellites. In th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e989a560739ac70b45a3d469236a5e88
https://doi.org/10.1016/j.asr.2021.06.047

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Akademický článek

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The MEKaP Project: Measuring Tropospheric Impairments at Ka Band with MEO Satellites

Autor: F. Consalvi, Armando Rocha, Antonio Martellucci, Lorenzo Luini, Carlo Riva, V. Schena, Alberto Panzeri, Susana Mota, Augusto M. Marziani, Frank S. Marzano, M. Biscarini

Publikováno v: 2020 14th European Conference on Antennas and Propagation (EuCAP).

The design phase of an ESA project (MEKaP-MEO Ka-band Propagation) is described. The study, involving Politecnico di Milano, Sapienza Universita di Roma, Instituto de Telecomunicacoes-Aveiro Pole and Thales Alenia SpaceItalia, aims at characterizing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::485e3b12a1e8fa1d35aa8c91f9560761
https://doi.org/10.23919/eucap48036.2020.9135489

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Akademický článek

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Akademický článek

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Color-dye injection of monochorionic placentas and correlation with pregnancy complications

Autor: Dario Consonni, M. Ratti, S. Faiola, Maria Angela Rustico, Mariano Lanna, V. Schena, Enrico Ferrazzi

Publikováno v: Placenta. 36:1095-1099

Introduction Vascular anastomoses in monochorionic (MC) twin placenta can be easily identified with color-dye injection. The aim of this study is to analyze the relationship between different type of anastomoses and twin pregnancy complications. Meth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cb9fa1d24edf932b5205bf4de2f66c1
https://doi.org/10.1016/j.placenta.2015.07.129

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Bipolar cord coagulation for selective feticide in complicated monochorionic twin pregnancies: 118 consecutive cases at a single center

Autor: M. Dell'Avanzo, Mariangela Rustico, S. Faiola, V. Schena, Andrea Righini, Dario Consonni, Mariano Lanna, Enrico Ferrazzi, Barbara Scelsa

Publikováno v: Ultrasound in Obstetrics & Gynecology. 39:407-413

Objective To review the experience of performing selective feticide with bipolar cord coagulation (BCC) in complicated monochorionic (MC) twin pregnancies at a single center. Methods This was a retrospective analysis of BCC performed using 3-mm bipol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e0cafb82671c66b2c3133bd98f98370
https://doi.org/10.1002/uog.11073

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Fetal and Maternal Complications after Selective Fetoscopic Laser Surgery for Twin-to-Twin Transfusion Syndrome: A Single-Center Experience

Autor: Mariano Lanna, Mariangela Rustico, Barbara Scelsa, Gianluca Lista, Valeria Mantegazza, Cecilia Parazzini, V. Schena, Enrico Ferrazzi, Dario Consonni, S. Faiola, M. Dell'Avanzo

Publikováno v: Fetal Diagnosis and Therapy. 31:170-178

Objective: To report the incidence of fetal and maternal complications after selective fetoscopic laser surgery for twin-to-twin transfusion syndrome (TTTS). Methods: A total of 150 cases of TTTS were treated from January 2004 to June 2009 (period 1,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37ea50c21021e8ca4b40ae7955a704c9
https://doi.org/10.1159/000336227

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A Numerical Scheme for the Solution of the Vector Parabolic Equation Governing the Radio Wave Propagation in Straight and Curved Rectangular Tunnels

Autor: Orlandino Testa, Paolo Bernardi, V. Schena, Renato Cicchetti, Diego Caratelli

Publikováno v: IEEE Transactions on Antennas and Propagation. 57:3249-3257

A high-frequency field prediction model, useful to evaluate the radio wave propagation in realistic tunnels having rectangular cross-section, is presented. The model is based on a hybrid implicit/explicit finite-difference numerical scheme adopted to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5dcad52b73d4dccfd3bb337e9e06a3b
https://doi.org/10.1109/tap.2009.2027142

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