Instituto de Informática Multimedia Comunicaciones y Computación ESTEC-ESA

Instituto de Informática, Multimedia, Comunicaciones y Computación ESTEC-ESA, The Netherlands, 12 July 2002 ESA Tender AO/1 -3899/01/NL/JA: CAD Tools for Passive Microwave Components Negotiation Meeting Microwave Applications Group

Contents n Presentation of Universidad Politécnica de Valencia (UPVA) ¨ n Brief Description (Activities, Structure, Staff) Presentation of the Microwave Applications Group (GAM) ¨ ¨ ¨ n GAM Members and Research Lines (Results) Verification and Testing Facilities Research Funding Scientific Production Research Cooperation Technical Work to be developed by GAM-UPVA ¨ ¨ Arbitrary Rectangular Waveguides (Speed-up) C-junctions, Y-junctions and bends (Consultancy) Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 2

Presentation of UPVA GAM n Created in 1971 (http: //www. upv. es) n Technological University (19 Faculties): ¨ n 36, 500 members: ¨ n Engineering, Architecture, Computing 34, 500 students and 2, 000 staff The GAM group in the UPVA: Created in 1997 (http: //www. dcom. upv. es) ¨ ¨ Faculty of Electrical Engineering ¨ Department of Communications ¨ Institute of Informatics, Multimedia, Communications and Computers Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 3

Members of the Group n GAM Staff Members of GAM: ¨ Dr. Vicente E. Boria Esbert(*) (Associate Professor) ¨ Dr. Héctor Esteban González (Associate Professor) ¨ Dr. Santiago Cogollos Borrás (Associate Professor) Dª Ana Vidal Pantaleoni (Assistant Professor) ¨ D. Pablo Soto Pacheco (Assistant Professor) ¨ Dª M. Carmen Bachiller Martín (Assistant Professor) (*) Dpto. Comunicaciones, Universidad Politécnica de Valencia, E-46022 Valencia, SPAIN, TelFax: +34 96 387 - 9718 7309 Contact Address of Group Leader: ¨ n Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 4

Members of the Group n GAM Researchers (Ph. D. Students): ¨ ¨ D. Ángel A. San Blas Oltra (UPVA Programme, Spain) D. Stephan Marini Commission) (RTN, European D. Daniele Camilleri Commission) ¨ D. José V. Morro Ros Spain) (RTN, European ¨ n Undergraduate Students (Final Year Work): ¨ n (Space Programme, 10 students / year (UPVA, Spain) External Researchers: ¨ D. Ángel Belenguer Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA (UCLM, Cuenca, Spain) p. 5

Research Lines n Numerical Simulation of Electromagnetic Problems ¨ n Direct Search, Gradient, Simplex, Genetics, Simulated Annealing Development of Computer Aided Design (CAD) Software ¨ n Microwaves, Antennas and Propagation Optimisation Algorithms in Electromagnetics ¨ n GAM Passive Waveguide Devices Practical Design of Passive Waveguide Devices ¨ Space, Wireless Systems (WLL, LMDS), and Microwave Heating Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 6

Some Results n GAM H-Plane T-Junction with Rounded Corners (UPVA-UVEG) WR-90 waveguides: • Rounded corners • Radius = 4, 5 mm ESTEC/ESA Contract 12870/98/NL/MV Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 7

Some Results n GAM Analysis of Complex Waveguide Devices (Mechanisation Effects) Diplexer (HISPASAT 1 C) n n BI-RME Method n Courtesy of Alcatel Espacio Theory of Cavities Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 8

Some Results n GAM Inductive Filter with Rounded Corners (UPVA-UVEG) ¨ ¨ BI-RME Method Integral Equation Piece Manufactured prototype Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 9

Some Results n GAM Application of Optimisation Algorithms to Filters (UPVA-UVEG) GOFRES v. 1. 0: n Evanescent Mode Filters • Direct Search • Gradient Methods Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 10

Some Results n GAM CAD Software of Inductive Filters (UPVA-UVEG) n n Great reduction of CPU effort (10’) Rounded corners could be included Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 11

Some Results n GAM Dual-mode Filters for Space Applications (ESTEC-ESA) DUMAS v. 3. 0 n Elliptical Irises n Tuning Screws Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 12

Some Results n GAM Inductive Filter at 28 GHz for LMDS Systems (UPVA) WIND v. 3. 3 • Tolerances < 10 m Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 13

Some Results n GAM Doubly Corrugated Choke for Industrial Applications (UPVA) DUMAS v. 3. 0 Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 14

Verification and Testing Facilities n GAM Electromagnetic Simulation Laboratory ¨ 2 mainframe computers for development of in-house software w DESAFIO v. 1. 0. 1 and v. 1. 1. 1, 2002 (Alcatel Espacio, Madrid) w GOFRES v. 1. 0, 2002 (Alcatel Espacio, Madrid) ¨ 2 mainframe computers for commercial software w Ansoft HFSS v. 8. 0. 25 and Optimetrics v. 2. 0, 2002 w Ansoft Ensemble v. 8. 0, 2002 w ESTEC-ESA DUMAS v. 3. 0, 1997 w ESTEC-ESA WIND v. 3. 3, 1998 w ESTEC-ESA FEST v. 2. 2. 5, 2001 ¨ 10 desktop computers, 3 laptop computers Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 15

Verification and Testing Facilities n GAM Test Facilities (HP-8510 Network Analyser) Measurements (2002): n n n up to 20 GHz W-90, WR-75, WR-62 TRL calibration Measurements (2003+): n Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA up to 50 GHz p. 16

Research Funding n European Commission ¨ MMCODEF Research Training Network (V FMP), 2000 -03 ¨ n Networks of Excellence and Integrated Projects (VI FMP), 2003+ National and Local Research Programmes (2000 -04) ¨ Research Projects of Space and Information Technology Plan ¨ n GAM Thematic Networks in Optics and Microwaves R&D Contracts with Administrations and Industry ¨ ESTEC-ESA Contract 12870/98/NL/MV, 1998 -99 ¨ Alcatel Espacio Contract AEO/UPV/01. 3005, 2001 -03 Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 17

Research Funding n GAM Budget spent by the GAM this year (2002) ¨ Infrastructure Costs (Laboratory Equipment, etc). w 150. 000 € ¨ Personnel Costs. w 300. 000 € ¨ Total Costs. w 450. 000 € Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 18

Scientific Production n Co-authors of 2 book chapters. w “Advanced Modal Analysis”, G. Conciauro, M. Guglielmi, R. Sorrentino, Wiley & Sons, Chichester, UK n GAM John 15 Reviewed Papers in International Journals (JCR of SCI). w IEEE Trans. on Microwave Theory and Techniques w IEEE Microwave Letters, IEE Proc. on Microwaves, Antennas and Propagation w International Journal of RF and Microwave Computer Aided Engineering n 50 Contributions (6 Invited Papers) in International Conferences. w IEEE MTT & AP Symposium w European Microwave Conference w PIERS, ISRAMT, ECCOMAS, NUMELEC Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 19

Research Cooperation n GAM Universities and Research Institutions (UPVA and UVEG). ¨ Group of Semiconductors and Optic Fiber (UVEG, Spain) ¨ Group of Microwave Engineering and Electromagnetics (UPCT, Spain) ¨ Group of Microwaves and RADAR (UPM, Spain) ¨ European Space Agency (ESTEC-ESA) ¨ University of Pavia (Italy) ¨ LEMA-University of Lausanne (Switzerland) ¨ FEL-TNO (The Netherlands) ¨ ¨ Technical University of Darmstadt (Germany) National Technical University of Athens (Greece) Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 20

Research Cooperation n GAM Industries (UPVA and UVEG). ¨ Alcatel Espacio (Madrid, Spain) ¨ Radiación y Microondas SA, RYMSA (Madrid, Spain) ¨ Construcciones Aeronáuticas SA, CASA (Madrid, Spain) ¨ INDRA Espacio (Madrid, Spain) ¨ Ingegneria Dei Sistemi, IDS (Pisa, Italy) ¨ ITLink srl, (Livorno, Italy) ¨ COM DEV (United Kingdom) ¨ TESAT SPACECOM, Bosch Sat. Com (Germany) Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 21

Technical Work n GAM Efficient Modal Analysis of Arbitrary Rectangular Waveguides y W Following the BI-RME method: b n Modal Chart computation[1] n S Coupling Integrals calculation [2] x a n [1] G. Conciauro et al. , IEEE Trans. on MTT, vol. 32(11), pp. 1495 -1504, 1984. n [2] P. Arcioni, IEEE Microwave Guided Wave Letters, vol. 6(6), pp. 232 -234, 1996. Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 22

Technical Work n GAM Efficient Modal Analysis of Arbitrary Rectangular Waveguides y y W W S S b b x x a a n Definition of the geometry: ¨ Straight, Circular and Elliptical Segments ¨ Combination of these Segments Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 23

Technical Work n GAM Integration into FEST v. 3. 1. ¨ Minor computational CPU effort (speed-up): w Improved optimized evaluation of Green’s function ¨ Greater precision: w Finer segmentation in conflictive points ¨ Analysis of conductors without thickness: w Geometries with zero thickness conductors ¨ Integration of straight, circular and elliptical segments ¨ Analysis of waveguides with multiple conductors: w Multiple TEM modes Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 24

Technical Work n GAM Rectangular Waveguide Cubic Junction Using the Theory of Cavities[1, 2]: • Y-matrix representation ¨ Acceleration of triple series Using the Integral Equation Technique: • Z-matrix representation ¨ n n Acceleration of the Kernel [1] V. E. Boria et al. , IEE Proc. on MAP, vol. 147(6), pp. 417 -422, 2000. [2] S. Cogollos et al. , Annals of Telecom. , vol. 56(1 -2), pp. 94 -103, 2001. Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 25

Technical Work n GAM Rectangular Waveguide Six-Port Cross Junction WR-62 waveguides: • 0, 75 sec. /freq. (Pentium III) Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 26

Technical Work n GAM Cubic Waveguide Junction with Arbitrarily Shaped Access Ports Using Theory of Cavities[1]: • Modal Analysis (BI-RME). w access ports modes • Coupling Integrals. w cavity and access port modes w new BI-RME expressions n [1] S. Cogollos, V. E. Boria, P. Soto, A. A. San Blas, B. Gimeno and M. Guglielmi, Submitted to IEE Proc. on MAP, June 2002. Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 27

Technical Work n GAM H-Plane T-Junction with Rounded Corners WR-90 waveguides: • Corner Radius = 4, 5 mm Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 28

Technical Work n GAM Magic-T Junction with Rounded Corners S 33 S 44 Reflection Coefficients S 11 Transmission S 41 Coefficients S 21 S 31 WR-90 waveguides: • Corner Radius = 4, 5 mm Negotiation Meeting, ESA Tender AO/1 -3889/01/NL/JA p. 29