Veröffentlichungen 1992

  1. W.-M. Boerner, W. Wiesbeck et al. (eds.), "Direct and inverse methods in radar polarimetry", Part 1, ISBN 0-7923-1496-4, Part 2, ISBN 0-7923-1497-2, 1938 pages, Kluwer Academic Puplishers, Dortrecht, NL, Jan. 1992
  2. S. Riegger, W. Wiesbeck, D. Kähny" "Basic polarimetric measurements on monostatic or bistatic radar images", W.-M. Boerner et al. (eds.) : Direct and Inverse Methods in Radar Polarimetry, Part 1, pp. 739-772, Kluwer Academic Publishers, Jan. 1992
  3. W. Wiesbeck, "A complete error model for polarimetric RCS- and antenna measurements", W.-M. Boerner et al. (eds.) : Direct and Inverse Methods in Radar Polarimetry, Part 1, pp. 793-807, Kluwer Academic Publishers, Jan. 1992
  4. Th. Kürner, D. J. Cichon, W. Wiesbeck, "Theoretical analysis of multipath effects based on 3D wave propagation model," COST-231 TD (92) 33, Vienna, Austria, Jan. 7-10, 1992
  5. D. Kähny, "Modellierung und meßtechnische Verifikation polarimertischer, mono- und bistatischer Radarsignatoren und deren Klassifizierung", Forschungsbericht aus dem Institut für Höchstfrequenztechnik und Elektronik der Universität Karlsruhe, Band 1, (Dissertation), ISSN 0942-2935, Feb. 4, 1992
  6. E. Heidrich, "Meßtechnische Charakterisierung der Reflexions- und Absorptions-eigenschaften von reflexionsarmen Meßkammern", EMV'92, 3. Int. Kongreß für Elektromagnetische Verträglichkeit, pp. 923-931, Karlsruhe, Feb. 25-27, 1992
  7. C. Bornkessel, S. Haffa, D. Hollmann, W. Wiesbeck, "Finite Differenzen-Methode zur Feldberechnung in Absorberkammern", EMV'92, 3. Int. Kongreß für Elektromagnetische Verträglichkeit, pp.635-641, Karlsruhe, Feb. 25-27, 1992
  8. Th. Kürner, M. Lebherz, W. Wiesbeck, W. Krank, "Hörfunk-Versorgungsprognosen unter Berücksichtigung der Mehrwegeausbreitung", ITG-Fachbericht 118 Hör-rundfunk, Vorträge der ITG-Fachtagung Mannheim, VDE-Verlag Berlin Offenbach, ISBN 3-8007-1832-4, pp. 29-34, Feb. 18-20, 1992
  9. N. Geng, Th. Kürner, W. Wiesbeck, "Prediction of the envelope correlation coefficient between different diversity channels based on a deterministic 3D wave propagation model", COST-235 CP52, London, United Kingdom, March 9-11, 1992
  10. D. J. Cichon, Th. Kürner, "Polarimetric aspects in terrestrial wave propagation" COST-231 TD (92) 46, Leeds, United Kingdom, April 6-9, 1992
  11. E. Heidrich, J. Kehrbeck, W. Wiesbeck, "Design von getaperten Microstrip Travelling-Wave-Arrays mit großem Schwenkwinkel", VDE/ITG&IEEE MTT-AP Chapter Diskussionssitzung über Mehrelementantennen, pp. 65-68, Bad Dürk-heim/Weinstraße, April 1992
  12. F. Mernyei, F. Völgyi, E. Heidrich, J. Kehrbeck, M. Lebherz, "Microstrip antenna applications", Periodica Polytechnica Ser. El. Eng., vol. 36, no. 1, pp. 273-283, Technical University of Budapest, Hungary, 1992
  13. E.Heidrich, "Theoretische und experimentelle Charakterisierung der polarimetrischen Schaltungs- und Streueigenschaften von Antennen", Forschungsbericht aus dem Institut für Höchstfrequenztechnik und Elektronik der Universität Karlsruhe, Band 2, (Dissertation), ISSN 0942-2935, May 12, 1992
  14. J. Kehrbeck, E. Heidrich, "Mikrowellen-Doppler-Radar zur Geschwindigkeits-messung in KFZ", Haus der Technik e.V., Veranstaltungs-nr. T-30-534-056-2, Kurztitel: Versuchsfahrzeuge, Essen, May 19-20, 1992
  15. D. Kähny, D. J. Cichon, K. Schmitt, W. Wiesbeck, "Classification of SAR-data using neural networks and polarimetric filters", Proceedings of the IEEE International Geoscience and Remote Sensing Symposium IGARSS'92, pp. 59-61, Houston, Texas, USA, May 25-29, 1992
  16. K. Schmitt, D. Kähny, W. Wiesbeck, " Reduced calibration procedure for multiple bistatic RCS-measurements", Proceedings of the IEEE International Geoscience and Remote Sensing Symposium IGARSS'92, pp. 1201-1203, Houston, Texas, USA, May 25-29, 1992
  17. D. Kähny, G. Nesti, " RCS features of dielectric cylinders measurements and simulation", Proceedings of the International Geoscience and Remote Sensing Symposium IGARSS'92, pp. 825-827, Houston, Texas, USA, May 25-29, 1992
  18. D. J. Cichon, K. Schmitt, W. Wiesbeck, "Bistatic scattering for synthetic apertures in remote sensing", Proceedings of the IEEE International Geoscience and Remote Sensing Symposium IGARSS'92, pp. 643-645, Houston, Texas, USA, May 25-29, 1992
  19. D. J. Cichon, Th. Kürner, W. Wiesbeck, "Multipath propagation modelling in urban environments", Digest of the IEEE International Workshop on Personal, Indoor and Mobile Radio Communications, pp. 33-34, Si—fok, Hungary, May 25-28, 1992
  20. Th. Kürner, D. J. Cichon, W. Wiesbeck, "Wideband characterization of the propagation channel - a theoretical approach", Digest of the IEEE International Workshop on Personal, Indoor and Mobile Radio Communications, pp. 29-30, Si—fok, Hungary, May 25-28, 1992
  21. D. J. Cichon, W. Wiesbeck, "Polarimetric multipath propagation signature applied to radars in a 3D terrain", Proceedings of the Microwave Signature'92 Conference (URSI), pp. 2A 38-41, Innsbruck-Igls, Austria, July 1-3, 1992
  22. K. Schmitt, W. Wiesbeck, "Bistatic scattering of dielectric cylinder arrays", Proceedings of the Microwave Signature'92 Conference (URSI), pp. 2C 9-12, Innsbruck-Igls, Austria, July 1-3, 1992
  23. D. J. Cichon, Th. Kürner, W. Wiesbeck, "Features of polarimetric terrestrial wave propagation", Proc. of the IEEE AP-S Int. Symposium and URSI Radio Science Meeting, pp. 826-829, Chicago, Illinois, USA, July 20-24, 1992
  24. Th. Kürner, D. J. Cichon, W. Wiesbeck, "Verification of deterministic wave propagation models for rural and urban areas", Proc. of the IEEE AP-S Int. Symposium and URSI Radio Science Meeting, pp. 1376-1379, Chicago, Illinois, USA, July 20-24, 1992
  25. E. Heidrich, W. Wiesbeck, "Reduction and minimization of antenna scattering", Proc. of the IEEE AP-S Int. Symposium and URSI Radio Science Meeting, pp. 904-907, Chicago, Illinois, USA, July 20-24, 1992
  26. G. Gottwald, W. Wiesbeck, "Anomalous effects of phased array antennas due to mutual coupling and feeding network", Proc. of the IEEE AP-S Int. Symposium and URSI Radio Science Meeting, pp. 99-102, Chicago, Illinois, USA, July 20-24, 1992
  27. E. Heidrich, J. Kehrbeck, W. Wiesbeck, "Design considerations for comb line microstrip travelling wave antennas", Proc. of the IEEE AP-S Int. Symposium and URSI Radio Science Meeting, pp. 1443-1446, Chicago, Illinois, USA, July 20-24, 1992
  28. S. Haffa, D. Hollmann, W. Wiesbeck, "The finite difference method for S-parameter calculation of arbitrary three-dimensional structures", IEEE Transactions on Microwave Theory and Techniques, vol. 40, no.8, pp. 1602-1610, Aug. 1992
  29. K. Schmitt, W. Wiesbeck, "Comparison of dual polarization RCS-measurement facilities", Proceedings of the Second International Workshop on Radar Polarimetry, pp. 405-410, Nantes, France, Sept. 8-10, 1992
  30. H.-U. Nickel, R. Heidinger, "A survey of vacuum-windows for high-energy millimeter-wave systems in fusion experiments", The Proceedings of the 20th Symposium on Electromagnetic Windows, pp. 62-71, Atlanta, Georgia, USA, Sept. 15-17, 1992
  31. N. Geng, D. Hollmann, W. Wiesbeck, "Numerische Verfahren zur Berechnung dielektrischer Resonatoren in beliebigen axialsymmetrischen Anordnungen", 37. Internatinales Wissenschaftliches Kolloquium der Technischen Universität Ilmenau, Ilmenau, Sept. 21-24, 1992
  32. C. Bornkessel, H. Uhlmann, "Charakterisierung von Absorberkammern im unteren MHZ-Bereich mit der Finiten-Differenzen-Methode", 37. Internationales Wissen-schaftliches Kolloquium der Technischen Universität Ilmenau, Proceedings vol. 1, pp. 55-60, Ilmenau, Sept. 21-24, 1992
  33. D. Kähny, K. Schmitt, W. Wiesbeck, "Calibration of bistatic polarimetric radar systems", IEEE Transactions on Geoscience and Remote Sensing, vol. 30, no. 5, pp. 847-852, Sept. 1992
  34. M. Lebherz, W. Wiesbeck, W. Krank, "A versatile wave propagation model for the VHF/UHF range considering three-dimensional terrain", IEEE Transactions on Antennas and Propagation , vol. 40, no. 10, pp. 1121-1131, Oct. 1992
  35. J. Kehrbeck, E. Heidrich, W. Wiesbeck, "A novel and inexpensive short range FM-CW radar design", Second International Conference on RADAR 92, pp. 67, Brighton, UK, Oct. 12-13, 1992
  36. N. Geng, T. Kürner, W. Wiesbeck, "Envelope correlation coefficient between diversity channels based on a 3D wave propagation model", 3rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Boston, USA, Oct. 19-21, 1992
  37. C. Bornkessel, H. Uhlmann, "Equivalent layer modeling of pyramid absorbers for field computation in anechoic chambers", A.M.T.A. 14th Annual Meeting and Symposium, pp. 16-15...16 -19, Columbus, Ohio, USA, Okt. 19-23, 1992
  38. E. Heidrich, W. Wiesbeck, "Influence of antennas on the radar cross section of camouflaged aircraft", IEF Second International Conference on RADAR 92, pp. 288-291, Brighton, UK, Oct. 1992
  39. H.-U. Nickel, U. Ambrosy, M. Thumm, "Vacuum windows for frequency tunable high-power millimeter wave systems", 17th Int. Conf. on Infrared and Millimeter Waves, Conference Digest, SPIE vol. 1929, pp. 462-463, Pasadena, California, 1992
  40. H.-U. Nickel, R. Heidinger, "A survey of vacuum-windows for high-energy millimeter-wave systems in fusion experiments", 20th Symp. on Electromagnetic Windows, pp. 62-71, Atlanta, Georgia, 1992
  41. E. Bojarsky, H.E. Häfner, R. Heidinger, A. Hofmann, H.-U. Nickel, P. Norajitra, H. Reiser, "Status of the KfK development of cryogenically cooled windows for high power gyrotrons", 4th Joint Russian-German Meeting on ECRH and Gyrotrons, Proceedings, pp. 231-256, Nizhny Novgorod and Moscow, Russia, 1992
  42. E. Borie, G. Gantenbein, G. Dammertz, O. Dumbrajs, T. Geist, M. Kuntze, A. Möbius, H.-U. Nickel, B. Piosczyk, M. Thumm, "A 500 kW, 140 GHz gyrotron in an asymmetric volume mode for fusion plasma applications", 8th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Heating, Conference Proceedings, to be published, Gut Ising, Germany, 1992
  43. V. Erckmann, U. Gasparino, H.J. Hartfuß, H. Maaßberg, M. Tutter, W7-AS Team, W. Kasparek, G.A. Müller, P.G. Schüller, G. Dammertz, G. Gantenbein, T. Geist, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm, "Confinement studies with ECRH and ECCD at 70 and 140 GHz in the W 7-AS stellarator", Europhysics Top. Conf. on Radiofrequency Heating and Current Drive of Fusion Devices, Proceedings vol. 16 E, pp. 297-300, Brussels, Belgium, 1992
  44. V. Erckmann, U. Gasparino, H. Maaßberg, M. Tutter, W7-AS Team, ECRH Group IPF-Stuttgart, Gyrotron Group KfK-Karlsruhe (G. Dammertz, G. Gantenbein, T. Geist, M. Kuntze, H.-U Nickel, B. Piosczyk, M. Thumm), Gyrotron Group IAP-Nizhny Novgorod, "Electron cyclotron current drive and current profile control in the W7-AS stellarator", Europhysics Top. Conf. on Radiofrequency Heating and Current Drive of Fusion Devices, Proceedings vol. 16 E, pp. 301-304, Brussels, Belgium, 1992
  45. V. Erckmann, W7-AS Team, IPF ECRH Group, KfK Gyrotron Group (G. Dammertz, G. Gantenbein, T. Geist, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm), IAP Gyrotron Group, KIAE ECRH Group, "Recent results with ECRH and ECCD at 70 and 140 GHz on W7-AS", 4th Joint Russian-German Meeting on ECRH and Gyrotrons, Proceedings, pp. 301-326, Nizhny Novgorod and Moscow, Russia, 1992
  46. G. Gantenbein, E. Borie, G. Dammertz, O. Dumbrajs, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm, "500 kW operation of a 140 GHz gyrotron: Experiment and simulation", 17th Int. Conf. on Infrared and Millimeter Waves, Conference Digest, SPIE vol. 1929, pp. 186-187, Pasadena, California, 1992
  47. B. Piosczyk, H. Baumgärtner, E. Borie, H. Budig, G. Dammertz, O. Dumbrajs, G. Gantenbein, P. Grundel, A. Hornung, M. Kuntze, R. Lehm, A. Möbius, N. Münch, H.-U. Nickel, G. Redemann, M. Thumm, R. Vincon, "The 140 GHz TE10,4 gyrotron at KfK - Present status and near future prospects", 4th Joint Russian-German Meeting on ECRH and Gyrotrons, Proceedings, pp. 67-89, Nizhny Novgorod and Moscow, Russia, 1992
  48. B. Piosczyk, E. Borie, G. Dammertz, O. Dumbrajs, G. Gantenbein, T. Geist, M. Kuntze, A. Möbius, H.-U. Nickel, M. Thumm, "Entwicklung von 140 GHz Gyrotrons hoher Leistung im KfK", ITG-Fachtagung für Vakuumelektronik und Displays, ITG-Fachbericht 120, pp. 87-92, Garmisch-Partenkirchen, Germany, 1992
  49. B. Piosczyk, E. Borie, G. Dammertz, O. Dumbrajs, G. Gantenbein, T. Geist, M. Kuntze, A. Möbius, H.-U. Nickel, M. Thumm, "Development of high power 140 GHz gyrotrons at KfK for applications in fusion", 17th Symposium on Fusion Technology, Proceedings, Roma, Italy, 1992
  50. M. Thumm, E. Bojarsky, H.E. Häfner, R. Heidinger, A. Hofmann, H.-U. Nickel, P. Norajitra, H. Reiser, "Possible KfK Karlsruhe Contributions to the FOM-Fusion-FEM", Workshop on FEM-Millimeter Waves, Proceedings, pp. 60-78, Rijnhuizen-Nieuwegein, The Netherlands, 1992
  51. M. Thumm, E. Borie, G. Dammertz, O. Dumbrajs, G. Gantenbein, T. Geist, M. Kuntze, A. Möbius, H.-U. Nickel, B. Piosczyk, "Development of high power 140 GHz gyrotrons for fusion plasma applications", IEE Colloquium on New Developments and Applications of Microwave Tubes, Digest no. 1992/089, pp. 25-27, London, United Kingdom, 1992
  52. M. Thumm, H.-U. Nickel, U. Ambrosy, "Broadband vacuum windows for frequency tunable high-power millimeter wave sources", 2nd Workshop on FEM-Millimeter Waves, Proceedings, pp. 169-185, Rijnhuizen-Nieuwegein, The Netherlands, 1992
  53. A.G.A. Verhoeven, R.W.B. Best, A.M. van Ingen, F.C. Schüller, A.B. Sterk, W.H. Urbanus, M.J. van der Wiel, V.L. Bratman, G.G. Denisov, H.-U. Nickel, M. Thumm, M. Caplan, "The free electron maser as a potential ECRH-source", Europhysics Top. Conf. on Radiofrequency Heating and Current Drive of Fusion Devices, Proceedings vol. 16 E, pp. 77-80, Brussels, Belgium, 1992
  54. A.G.A. Verhoeven, W.A Bongers, R.W.B. Best, A.M. van Ingen, P. Manintveld, M.J. van der Wiel, W.H. Urbanus, V.L. Bratman, G.G. Denisov, A.V. Savilov, M.Yu. Shmelyov, H.-U. Nickel, M. Thumm, G. Müller, W. Kasparek, J. Pretterebner, D. Wagner, M. Caplan, "The 1 MW, 200 GHz FOM-Fusion-FEM", 17th Int. Conf. on Infrared and Millimeter Waves, Conference Digest, SPIE vol. 1929, pp. 126-127, Pasadena, California, 1992
  55. O. Dumbrajs, G. Gantenbein, M. Thumm, "Optimization of high order valume mode cavities with respect to mode conversion and mode competition", Proc. 4th Russian-German Meeting on ECRH and Cyrotrons, pp. 103-131, Nizhny Novgorod, 1992
  56. D. Wagner, J. Pretterebner, M. Thumm, "Determination of resonance frequencies and qualities of high power microwave resonators", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 36-37, Pasadena (Los Angeles), 1992
  57. J. Pretterebner, A. Möbius, M. Thumm, "Improvement of quasi-optical mode converters by launching an appropriate mixture of modes", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 40-41, Pasadena (Los Angeles), 1992
  58. J. Pretterebner, D. Wagner, M. Thumm, "Inadequacy of coupled equations for forward travelingwaves in case of large waveguide perturbations", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 44-45, Pasadena (Los Angeles), 1992
  59. D. Wagner, J. Pretterebner, M. Thumm, "Calculation of eigenmode mixtures in corrugated waveguides", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 114-115, Pasadena (Los Angeles), 1992
  60. O. Dumbrajs, G. Gantenbein, M. Thumm, "Numerical optimization of high-order volume-mode gyrotron cavities with respect to mode conversion and mode competition, 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 260-261, Pasadena (Los Angeles), 1992
  61. K. Xu, M. Thumm, "Mode cooperation in gyrotrons with highly overmoded cavity", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 262-263, Pasadena (Los Angeles), 1992
  62. K. Xu, M. Thumm, "Possible TEM mode competition in gyrotrons with a coaxial cavity", 17th Int. Conf. on Infrared and Millimeter Waves, Proc. SPIE/929, pp. 268-269, Pasadena (Los Angeles), 1992
  63. M. Thumm, O. Dumbrajs, "Gyrotron cavities with reduced mode conversion", 2nd Biennial ECH Transmission Line Workshop, General Atomics, San Diego, 1992
  64. M. Thumm, "Currant status and prospects of gyrotron development", ITG-Fachbericht 120, Vacuumelectronics and Displays, VDE Verlag, pp. 63-85, Garmisch-Partenkirchen, 1992
  65. E. Borie, G. Gantenbein, G. Dammertz, O. Dumbrajs, T. Geist, M. Kuntze, A. Möbius, H.-U. Nickel, B. Piosczyk, M. Thumm, "A 500 kW, 140 GHz gyrotron in an asymmetric volume mode for fusion plasma applications", Primärbericht des Kernforschungszentrums Karlsruhe, 31.04.02 P 02G, 1992
  66. H.-U. Nickel, R. Heidinger, "A survey of vacuum-windows for high-energy millimeter-wave systems in fusion experiments", Primärbericht des Kernforschungs-zentrums Karlsruhe, 31.04.03 P 04A, 1992
  67. M. Thumm, U. Ambrosy, E. Borie, G. Dammertz, O. Dumbrajs, G. Gantenbein, M. Kuntze, A. Möbius, H.-U. Nickel, B. Piosczyk, J. Pretterebner, D. Wagner, K. Xu, "Papers contributed to the 17th International Conference on infrared and millimeter waves", Primärbericht des Kernforschungszentrums Karlsruhe, 31.04.02 P 02F, 1992
  68. O. Dumbrajs, M. Thumm, J. Pretterebner, D. Wagner, "A cavity with reduced mode convesion for gyrotrons", Int. J. Infrared and Millimeter Waves 13, pp. 825-840, 1992
  69. C.K. Chong, D.B. McDermontt, M.M. Razeghi, N.C. Luhmann Jr., J. Pretterebner, D. Wagner, M. Thumm, M. Caplan, B. Kulke, "Bragg reflectors", IEEE Trans. on Plasma Science PS-20, pp. 393-402, 1992
  70. E. Borie, G. Gantenbein, B. Jödicke, G. Dammertz, O. Dumbrajs, T. Geist, G. Hochschild, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm, "Mode competition using TE03 gyrotron cavities", Int. J. of Electronics, 72, pp. 687-720, 1992
  71. L. Giannone, V. Erckmann, U. Gasparino, H.J. Hartfuß, G. Kühner, H. Maassberg, U. Stroth, M. Tutter, W7-AS Team, ECRH Group IPF Stuttgart, Gyrotron Group KFK Karlsruhe (G. Dammertz, G. Gantenbein, G. T. Geist, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm), "Electron thermal conductivity from heat wave propagation in Wendelstein 7-AS", Nuclear Fusion, 32, pp. 1985-2000, 1992