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EU DEMO EC equatorial launcher pre-conceptual performance studies

Publications associées (50)

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Design and Integration of All-Silicon Fiber-Optic Receivers for Multi-Gigabit Chip-to-Chip Links

Seyed Armin Tajalli, Yusuf Leblebici, Paul Victor Georges Muller

This paper presents a top-down approach to the design of all-silicon CMOS-based fully integrated optical receivers. From the system-level requirements, we determine the optimum block-level specifications, based on which the individual building blocks are d ...

IEEE2006

Characterization of microcapsules

Jutta Christine Wandrey, David Hunkeler

A review on the methods of characterization of multicomponent microcapsules. Requirements to measure the ingress and egress of small and macromols. through the membrane are discussed, along with the relevant theory. The relevant factors to consider in micr ...

2004

Role Composition in Requirements Engineering:the Method and Prototyping Tool

Alain Wegmann, Gleb Skobeltsyn, Pavel Balabko

Using multiple contexts improves model understandability and contributes to solving a scalability problem. In our work, we introduce a modeling method called Systemic Enterprise Architecture Methodology (SEAM) that considers systems to be designed in diffe ...

2004

Flexure pivot for aerospace mechanisms

Simon Nessim Henein

A generic high precision flexible pivot dedicated to pointing and scanning space mechanisms is described. Typical applications are payload scientific instruments and inter-satellite communication systems. The work started with a comprehensive analysis of t ...

2003

Precise Graphical Representation of Roles in Requirements Engineering

Alain Wegmann, Pavel Balabko

Modeling complex systems can not be done without considering a system from multiple views. Using multiple views improves model understandability. However the analysis of models that integrate multiple views is difficult. In many cases a model can be evalua ...

2003

Requirements for an architecture for believable social agents

Daniel Thalmann, Anthony Guye-Vuillème

This paper introduces four sociological concepts which we argue are important for the creation of autonomous social agents capable of behaving and interacting realistically with each other as virtual humans. A list of functional requirements based on these ...

ACM2000

Objects + Views = Components?

Martin Odersky

In support of flexible composition, components need to be adaptable and they need to have first-class plugs. Abstract state machines and object-oriented programming each satisfy one of these requirements very well but satisfy the other only incompletely. T ...

2000

An interface for the interactive design of artistic screens

Roger Hersch

The article presents the concepts and the tools involved in the interactive design of artistic screens. The screen elements are derived from a small set of analytical contours provided by the screen designer. We present the requirements that these contours ...

Springer-Verlag1998

Acoustooptic Signal Processors For Transmission And Reception Of Phased-Array Antenna Signals

Demetri Psaltis

Novel acousto-optic processors for control and signal processing in phased-array antennas are presented. These processors can operate in both the antenna transmit and receive modes. An experimental acousto-optic processor is demonstrated in the laboratory. ...

1991

Nitrobenzene production with simultaneous azeotropic distillation

Albert Renken

A process for nitration of C6H6 [71-43-2] with continuous removal of H2O formed in the process (by azeotropic distn. with C6H6) using the reaction heat was described in which the H2SO4 catalyst thus remained undild. and did not need to be regenerated. Requ ...

1987