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Multiuser Interference Canceler ” IEEE JSAC Vol 12.No.4.PP605-611,1994. [7] D.S. chen and S.Roy “An adaptive mutineer receiver for CDMA systems” IEEE.JSAC.VOL-12 No.5,pp808-816 . 1994. [8] D.Divsalar,M.K.Simon ,D.Raphoeli .”Improved parallel interface cancellation for CDMA” IEEE.trans on com,VOL.Com-46 pp258-268. 1998。 [9] P.Patel and J.M.Holtzman, “Analysis of a simple successive interface cancellation scheme in a DS/CDMA system” IEEE.JSAC VOL12.NO.5.PP796-807 .1994. [10] T.S. RAppaport, Wireless communication – Principles & practice, Prentice Hall,New Jersey,1996。 [11] C.L.Weber, G.K.Huth and B.H.Batson, “Performance Considerations of Code Division Multiple-access Systems” IEEE Trans on VT,VOL.VT-30,No.1,pp3-10,1981.
BACK Transmission Test Bench Thierry Robert, Christophe Laporte, Francis Gizard, Alain Mallet, Jean-Philippe Taisant CNES - DTS/AE/TTL/TS 18 ave Edouard Belin 31401 Toulouse cedex email : thierry.robert@cnes.fr - tel : 33 (0) 5 61274114 - fax : 33 (0) 5 61282613 1 INTRODUCTION For two years CNES has been developing a bench for transmission satellite systems engineering. This development is performed under ATF (“Atelier Telecom du Futur”) project. The Transmission System Bench (BST) is devoted to determine accurately the performances of the transmission satellite sub-system including all the payload components such as multi-beam antennas, TWTA, Local Oscillators (phase noise template), and including system impairments such as propagation constraints or interference environment. Furthermore, this bench also offers the ability to analyse the impact of a given equipment in "real" operational conditions over end-to-end transmission performances. This paper presents the bench and its components as well as the kind of results that can be obtained through its exploitation. 2 BENCH OVERVIEW Emission Rack Monitoring Module 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Modulator Controller 15 14 15 14 Controller 15 16 15 14 13 12 11 10 9 8 7 6 5 4 Receive Antenna Matrix 16 15 14 13 12 11 10 9 8 7 6 5 4 15 13 12 11 10 9 8 7 6 5 4 3 2 1 Microwave Chains Interferers 13 12 11 10 9 8 7 6 5 4 3 2 1 15 16 15 14 13 12 11 10 9 8 7 6 5 4 Transmit Antenna Matrix 1 2 3 3 3 2 2 2 1 1 1 Calibrated Noise Generator 2 3 1 Monitoring Module Propagation Channel Emulator Microwave Chain Useful channel Propagation Channel Emulator Monitoring Module 1 3 2 Calibrated Noise Generator Demodulator The BST aims to represent in a very realistic way the satellite transmission of a multimedia satellite system from X to Ka band. This testbed is easily reconfigurable and its operation is facilitated by the availability of friendly man-machine interfaces. The BST operates up to sixteen channels in order to emulate several kind of interferers. It is organised around six sub-systems: 1. Modulated signals generator (QPSK, OQPSK, 16QAM) with varying bit rate from 1.6 kbits/s up to 400 Mbits/s. 2. ACPR (Adjacent Channel Power Ratio) controller, 3. Propagation effects and satellite motion emulator, 4. Satellite receive and transmit antennas emulator, 5. Microwave racks including TWTA, on board processor and phase noise generator. 6. Thermal noise generator.
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SÉANCE D'OUVERTURE / OPENING SESSI
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A l’aube de ce siècle, Airbus s
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Etape 4 : L’avion réel une fois
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C’est, sur l’exemple des essais
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parfois même sous la forme de plat
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oth the system and the manufacturin
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Such an interdependence between tes
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eference books, but it is as fundam
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BACK MANAGEMENT DES ESSAIS SYSTEME
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BACK ESSAIS D’ENSEMBLE LANCEURS C
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Elle ne doit cependant pas être me
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- le plan de mesures est conséquen
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4.2 MAQUETTE DYNAMIQUE ARIANE 5 Dan
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Les points délicats liés à l’o
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Processus Commande Architecture Int
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BACK 1 Introduction AIRBUS AIRCRAFT
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So, different test tools shall be d
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3.4 Architecture of A380 Simulators
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3.6 A380: Models In order to suppor
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GENERAL PRESENTATION OF JUZZLE GENE
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Figure 3 : Graphic User Interface o
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IMPLEMENTATION AND SIMULATION OF A
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REFERENCES [1] Space engineering, R
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Client Compliance Matrix (par rappo
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SESSION 2 : TECHNIQUES ET MOYENS D'
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POSTE INE A380 Les besoins fonction
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Les principes de l’architecture :
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Les éléments de l’architecture
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BACK Trajectographie temps réel DG
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Deux précisions temps réel sont p
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4.00 3.00 2.00 1.00 0.00 -1.00 -2.0
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CONCLUSION La phase d'essais en vol
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RÉSUMÉ: Osiris est une gamme de m
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1. INTRODUCTION Dassault Aviation e
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Exemple de modules banc d'intégrat
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éduction de durée des essais par
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5. EXEMPLE L'OSIRIS MULTIFONCTION U
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6. LA MODULARITÉ DE LA GAMME OSIRI
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• JBUILDER • ORACLE Cette modul
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• VX Wxorks reste l'OS de la part
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6.5 Exemple d'interconnexion avec d
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PRINCIPE 7.3 Exemple de réalisatio
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8. LA NOUVELLE GAMME SUR PC: VÉNUS
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• Un IHM de sélection des param
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9. CONCLUSION OSIRIS a maintenant g
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TABLE DES MATIERES 1. LE DATA-LINK
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AVIONS appartenant au réseau 25_P_
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• Les données à émettre sur le
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• 25_P_2/04 PCM émis par l'avion
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3.2 Le temps différé • En temps
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4. CONCLUSION • Toutes les IHM in
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INTRODUCTION Pour définir des proc
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- Ecarts de position en temps réel
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ANNEXE 1 CONSTITUTION CONSTITUTION
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They however incorporate some eleme
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As technology evolves, the boundary
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shown below together with the AGE c
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BACK ESSAIS SYSTEME SUR LES PROJETS
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3 qui contient le logiciel de vol.
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5 • essais en station « in vivo
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Avis, options et recommandations (5
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BACK Automatic Validation of Flight
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− The second level provides all d
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The operational flexibility of SINU
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• Test duration is reduced : for
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mimics from CCS ones. The objective
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1. Introduction ...................
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2. Présentation Le segment sol Ste
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AUS Station STA TM/TC Station STS T
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• La Commission de Revue d’Essa
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Certains essais particuliers liés
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Id Nom flux EXP37 Plan de vol Annex
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TTC’2003 Stentor 10/06/2003 QUALI
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TTC’2003 Le Programme Stentor 10/
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TTC’2003 Satellite GEO TM/TC/Rang
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TTC’2003 •Equipes CNES : Qualif
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TTC’2003 •L’organisation mise
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TTC’2003 Interfaces Externes :
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TTC’2003 Les Contraintes de Déve
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TTC’2003 Contient ontient la la m
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TTC’2003 10/06/2003 Qualification
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TTC’2003 10/06/2003 Qualification
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BACK Résumé : Outil de traitement
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1 Principes généraux de l’outil
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1.2.3 Valise de piste L’outil peu
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2 Capacités fonctionnelles 2.1 Arc
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Vue f(t) 2.3.1 Vues y=f(t) Ces vues
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Maquette aéronef Alarmes Bar-graph
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2.3.3 Représentation trajectograph
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2.3.5 Vidéo Par ailleurs, si le ma
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3 Concept de structure d’accueil
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4 Exemples d’utilisation 4.1.1 HB
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SESSION 3 : Capteurs et dispositifs
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BACK THE NEXT GENERATION AIRBORNE D
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3. DC SPECIFICATIONS - SEEING THE W
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For the purposes of this paper it i
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hardware down and led to widely acc
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mechanism. In a system where a late
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0 X Y X' Y' 0 X Y Sampling Cycle X
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- Perform the exchange in a rigorou
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GLOSSARY AFDX Avionics Full DupleX
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The complete message is recorded by
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The L3 switches allow forwarding da
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Furthermore, the configuration of t
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BACK LOGICIEL JAVA D’ACQUISITION
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ISA ISA Interface utilisateur Objet
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CONCLUSION La première version de
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; ( ( + & 2+5. . & & , & . + & +2(
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( +, & + < 0 9& - & = (( + 1 - + +,
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BACK Telemetry Recording Workstatio
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Figure 1: Real-time pen tip display
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establishing different socket conne
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73 64 63 61 60 48 45 40 35 Level (d
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SESSION 5 : TELEMESURE (SPECTRE - M
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Currently various avenues are explo
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Binary X Binary to RNS and RNS to B
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The index multiplier block will be
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The current implementation consists
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Spécificité de la télémesure AI
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Technique COFDM : La modulation COF
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La réception s’effectue par une
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BACK ETCC'2003 European Test and Te
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ETCC'2003 European Test and Telemet
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SESSION 6 : SYSTEMES DE TELEMESURE
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f f p IF = R b = 4R b ∆f = 0. 7R
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2.3 ADC Fig.5 (a) y (t) and its spe
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2.5 FM demodulation Fig.9 I ‘(nT1
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References 1. Gardner FM. A BPSK/QP
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L/S/C /X/Ku /Ka band Spacelink Syst
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Spacelink System - The solution for
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SPOT Σ ∆ X band feed Data LNA Tr
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défilant. Le cahier des charges d
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TOURELLE HEXAPODE La tourelle hexap
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Ci après, tableau des spécificati
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BACK CRISTAUX PHOTONIQUES ET METAMA
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BACK Systems, Design & Tests Direct
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1. INTRODUCTION Cette communication
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Figure 2-1 Vue générale de la Bas
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3. ETALONNAGE DE LA BASE 3.1 PRINCI
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Par définition, le taux de polaris
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This document is the property of EA
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amplitude (dB) 10 0 -10 -20 -30 -40
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amplitude (dB) 10 0 -10 -20 -30 -40
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V1=K1.GVV.E.{[cos()-.sin()] + 1_vra
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Quelques calculs d’incertitude so
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- 21 - Amplitude polarisation verti
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- 23 - Amplitude composante vertica
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- 25 - Amplitude composante vertica
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3.4 SYNTHESE DES RESULTATS CONCERNA
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4.2 DEFINITION DE L'ANTENNE DE MISE
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4.4 DEFINITION DE L'ANTENNE DE REFE
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5.1.2 Diagrammes de rayonnement 5.1
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5.2 ANTENNE DE REFERENCE BANDE P 5.
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Gain (dBi) 5.2.2.2 Résultats Ils s
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Comme attendu, la coupe xOz présen
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Gain (dBi) 5.3.2 diagramme de rayon
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Gain (dBi) 15 10 5 0 -5 -10 -15 -20
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BACK INTRODUCTION MESURE DE CHAMP P
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MESURE DE CHAMP PAR SYSTEME PORTABL
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MESURE DE CHAMP PAR SYSTEME PORTABL
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Abstract Helicopters are relatively
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Au sol, la station réceptionne le
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BACK Résumé Architecture d’une
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Architecture type lanceur lourd ARI
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Architecture petit lanceur L’arch
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Diagramme de l’UCTM Voies analogi
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Exemples de capteurs utilisés Type
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SESSION 8 : COMPATIBILITE ELECTROMA
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1. CONTEXTE GENERAL Le durcissement
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Figure 1 : Actions de qualification
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5. LES PARAMETRES D’OPTIMISATION
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7. PERFORMANCE ET OPTIMISATION DU P
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La qualification du durcissement re
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UNIT Unit EMC documents : - groundi
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At equipment level EMC TEST PROGRAM
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BACK ETTC 2003. Le rôle de la simu
Page 358 and 359: comprenant des objets complexes, n
Page 360 and 361: Cette approche permet, avec les mê
Page 362 and 363: Les Thèses ONERA UPS Prise en comp
Page 364 and 365: Pression Ligne bifilaire non blind
Page 366 and 367: 1.8 1,8 Tension continue V 1.6 1.4
Page 368 and 369: 270 Ω I0 IL 2,7 kΩ (b) Alimenta
Page 370 and 371: What is the budget of the statistic
Page 372 and 373: Monte Carlo approach: This is a thr
Page 374 and 375: 2 Etat de l’art des standards de
Page 376 and 377: 2.1.6 Emissions standards 61967 par
Page 378 and 379: - Limites pour l’immunité DPI (e
Page 380 and 381: PRESENTATIONS POSTER / POSTER PRESE
Page 382 and 383: BACK LA TELEMESURE SUR AIRBUS JC GH
Page 384 and 385: Dans le cycle d ’essais en vol ,
Page 386 and 387: CONCLUSION - NOS BESOINS FUTURS AIR
Page 388 and 389: LOGICIELS DE MESURE ET DE TRAITEMEN
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Page 410 and 411: All these sub-systems can be easily
Page 412 and 413: 3.5 ACPR RACK Gateway and satellite
Page 414 and 415: 4.2 COMPONENT DEGRADATION MEASUREME
Page 416 and 417: Indeed, when the objective of the t
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Page 422 and 423: 2 - Test devices at ENSICA Souffler
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Page 426 and 427: Capacité : - pour la charge axiale
Page 428 and 429: Machine d’essai de fatigue en fle
Page 430 and 431: torsion. - asservissement de chaque
Page 432 and 433: KEY 1 WORD IENA PACKET format An IE
Page 434 and 435: TD: “0” means that the paramete
Page 436 and 437: PARAMETER DESCRIPTION This array de
Page 438 and 439: BACK UTILISATION de CAMERAS NUMERIQ
Page 440 and 441: TABLE DES MATIÈRES 1. INTRODUCTION
Page 442 and 443: 2. CONTEXTE DES ESSAIS Le but des e
Page 444 and 445: 3. LES BESOINS ET LES CONTRAINTES 3
Page 446 and 447: 4. CHOIX DE LA CAMERA 4.1 Démarche
Page 448 and 449: 5.1.4 Adaptations Les deux principa
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Page 452 and 453: 6. CONCLUSION Cette évaluation mon
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BACK F. Mailly et Al. ETTC 2003 MIC
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4.2. Sensitivity according to the h
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BACK STUDY OF 3∆t PASSIVE LOCATIN
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∆t 1 ∆t ∆t 2 = t = t M N −1
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For the speed of the reentry vehicl
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BACK TITLE In orbit satellite Gain
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dBm dBm Results obtain with the con
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3. NEW METHOD DEVELOPPED FOR IOT SA
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The following figures present the g
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3.2 Analysis of the contribution Th
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ETSC Annual Activities Gerhard Maye
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BACK Abstract European Telemetry St
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The file structure is also adopted
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BACK The statistical Evaluation Of
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BACK Abstract Vendor Independent Da
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