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Tunable radiator for small satellite application

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Low-profile multi-function antenna system for small satellites

Juan Ramon Mosig, Frédéric Bongard, Tomislav Debogovic, Ferdinando Tiezzi, Pedro Robustillo Bayon, Nevena Saponjic

A low-profile multi-function antenna system suitable for small satellites is presented in this paper. The antenna system operates at UHF frequency band (400 MHz) and comprises eight miniaturised radiating elements (REs) based on a folded planar inverted-F ...

2016

Design of novel radiating elements for SATCOM phased arrays in Ku-Band

Baptiste Fernand Hornecker

The present thesis deals with the design of a planar antenna array for the communication between a civil aircraft (Dassault's Falcon) and an Inmarsat satellite. The final goal is to provide high speed Internet access in X/Ku-Band (8-12GHz / 12-18GHz), and ...

EPFL2016

SATELLITE CONSTELLATION DESIGN FOR THE SOLVE MISSION INVESTIGATING DIURNAL CYCLES OF VEGETATION PHENOMENA

Anton Ivanov, Luzius Gregor Kronig, Sung Wook Paek, Olivier Ladislas Alain de Weck

This paper discusses the problem of finding an optimal satellite constellation for the SOLVE (Satellites Observing Lakes and Vegetation Environments) Mission. A key requirement of this mission is a temporal resolution of several observations per day. A sem ...

2016

Satellite rainfall measurements, nowadays commonly available, provide valuable information about the spatial structure of rainfall. In areas with low-density rain gage networks, or where these networks are nonexistent, satellite rainfall measurements can a ...

Amer Geophysical Union2015

Morzine-Avoriaz: densification d'une infrastructure existante. Le téléphérique des Prodains comme nouvelle porte d'entrée pour la station (F)

François Bianco

Avoriaz (1800 m), station de montagne semble arriver à sa «taille limite», selon Jacques Labro. Imaginée pour que le ski soit roi, les pistes se faufilent entre le bâti qui s'adapte précisément à sa topographie. On ne peut plus augmenter la densité, au ris ...

2014

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Dielectric Elastomer Actuators (DEAs) are an emerging actuation technology which are inherent lightweight and compliant in nature, enabling the development of unique and versatile devices, such as the Dielectric Elastomer Minimum Energy Structure (DEMES). ...

Spie-Int Soc Optical Engineering2014

Normalized GNSS Interference Pattern Technique

Pierre-André Farine, Cyril Botteron, Jérôme Leclère, Miguel Angel Ribot Sanfelix, Mohammed Benjelloun

It is well known that water level and snow height can be monitored with the ground reflectometry GNSS-R approach [1, 2]. In this approach the antenna situated on a mast, receives a direct GNSS signal coming from the satellite and a nadir signal reflected b ...

2013

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Global Navigation Satellite Systems (GNSSs) such as GPS, GLONASS, and the future Galileo and BeiDou, have demonstrated to be a valid and efficient system for various space applications in Low Earth Orbit (LEO), such as spacecraft orbit and attitude determi ...

2013

A New Aperture for Switched-Beam Low-Profile Ku-Band Mobile Terminal Array Antennas

Frédéric Bongard, Stefano Vaccaro

This paper presents an innovative switched-beam architecture for a low-cost mobile-terminal antenna, suitable for linear-polarized satellite communications systems. This antenna concept can produce twelve adjacent sector beams that cover the full azimuth f ...

Ieee-Inst Electrical Electronics Engineers Inc2012

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One of the most promising bands for long-range radiocommunications is the Ka-band (25-40 GHz). This is due to the existence of a natural radio transmission window around 30 GHz. Both terrestrial and satellite transmission systems are planned on this freque ...

2011