Suchergebnisse

Zeitschriftenartikel (64)

61.
Zeitschriftenartikel
Kildal, P.-S.; Baker, L. A.; Hagfors, T.: The Arecibo upgrading: Electrical design and expected performance of the dual-reflector feed system. Proc. IEEE 82, S. 714 - 724 (1994)
62.
Zeitschriftenartikel
Mishin, E.; Hagfors, T.: On heat flow contribution to plasma line frequency in the F region. Journal Geophysical Research 99 (A4), S. 6537 - 6539 (1994)
63.
Zeitschriftenartikel
Isham, B.; Hagfors, T.: Observations of the temporal and spatial development of induced and natural plasma lines during HF modification experiments at Arecibo using chirped incoherent scatter radar. Journal Geophysical Research 98 (A8), S. 13605 - 13625 (1993)
64.
Zeitschriftenartikel
Kildal, P. S.; Johansson, M.; Hagfors, T.; Giovanelli, R.: Analysis of a cluster feed for the Arecibo tri-reflector system using forward ray-tracing and aperture integration. IEEE Antennas and Propagation Magazine 41 (8), S. 1019 - 1025 (1993)

Buchkapitel (3)

65.
Buchkapitel
Hagfors, T.; Schlegel, K.: Earth's ionosphere. In: The Century of Space Science, S. 1559 - 1584 (Hg. Bleeker, J. A. M.; Geiss, J.; Huber, M. C. E.). Kluwer Academic Publ., Dordrecht (2001)
66.
Buchkapitel
Hagfors, T.; Schlegel, K.: Earth's Ionosphere. In: The Century of Space Science (Hg. Bleeker, J. A. M.; Geiss, J.; Huber, M. C. E.). Kluwer Academic Publishers, Dordrecht, Netherlands (2001)
67.
Buchkapitel
Hagfors, T.: Plasma fluctuations excited by charged particle motion and their detection by weak scattering of radio waves. In: Tech. Rpt. 97/53 on Incoherent Scatter: Theory, Practice and Science (collection of lectures given in Cargese, Corsica, 1995), S. 1 - 32 (Hg. Alcaydé, D.). EISCAT Scientific Association, Kiruna, Sweden (1997)

Konferenzbeitrag (7)

68.
Konferenzbeitrag
Grill, M.; Honary, F.; Nielsen, E.; Hagfors, T.; Dekoulis, G.; Chapman, P.; Yamagishi, H.: A new imaging riometer based on mills cross technique. In: International Symposium on Communications Theory and Applications, 13 - 18 July 2003, S. 26 - 31. HW communications Ltd (2003)
69.
Konferenzbeitrag
Hagfors, T.: Ground penetrating radar for planetary exploration. In: Remote Sensing Methodology for Earth Observation and Planetary Exploration, S. 147 - 156 (Hg. Attema, E.; Schwehm, G.; Wilson, A.). ESA Publ. Div., Noordwijk (1998)
70.
Konferenzbeitrag
Kosch, M. J.; Hagfors, T.; Kohsiek, A.: Thermosphärische und mesosphärische neutrale Wind- und Temperaturmessungen mittels Fabry-Perot-Interferometer im Zusammenhang mit EISCAT. In: Kleinheubacher Berichte (1997), S. 151 - 154. (1998)
71.
Konferenzbeitrag
Kosch, M. J.; Hagfors, T.; Kohsiek, A.; Rees, D.: The MPAE Fabry-Perot interferometer for neutral atmosphere and ionosphere interaction studies with EISCAT. In: XXIII General Assembly European Geophysical Society, Nice, France, 20-24 April. (1998)
72.
Konferenzbeitrag
Kosch, M. J.; Honary, F.; Stamatiou, N.; del Pozo, C.; Hagfors, T.: The morphology of auroral optical emissions, riometer absorption and energy of the precipitating particles. In: Proc. 25th Annual European Meeting on Atmospheric Studies by Optical Methods, Granada, Spain, 21-25 September 1998, S. 50 - 53 (Hg. López-González, M. J.; López-Moreno, J. J.; López-Puertas, M.; López-Valverde, M. A.; Molina, A. et al.). Instituto de Astrofisico de Andalucia, Granada, Spain (1998)
73.
Konferenzbeitrag
Axford, W. I.; Hagfors, T.: 50 years of ionospheric research at the Max-Planck-Institut für Aeronomie. In: Modern Ionospheric Science, S. 1 - 3 (Hg. Kohl, H.; Rüster, R.; Schlegel, K.). European Geophysical Society, Katlenburg-Lindau (1996)
74.
Konferenzbeitrag
Hagfors, T.: Neue Techniken der Astrophysik-Problemorientierte Planung-Entwicklung-Fachübergreifende Anwendung. In: Forschungsmanagement in der Physik (XIX), S. 21 - 31. DPG, Bad Honnef (1995)

Bericht (6)

75.
Bericht
Kosch, M. J.; Kohsiek, A.; Schlegel, K.; Hagfors, T.: A new Fabry-Perot interferometer experiment for neutral atmosphere studies in conjunction with the EISCAT incoherent-backscatter radar system. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1997)
76.
Bericht
Kosch, M. J.; Hagfors, T.; Nielsen, E.: A new Digital All Sky Imager (DASI) experiment for optical auroral studies in conjunction with the STARE coherent radar system. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1996)
77.
Bericht
Nielsen, E.; Hagfors, T.: Spacecraft radar experiment for observations of the interior of a comet in the ROSETTA mission. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1995)
78.
Bericht
Nielsen, E.; Hagfors, T.; Kopka, H.; Trilling, D.: Thoughts on radio wave experiments for observations of the interior of comets in the international ROSETTA mission. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1995)
79.
Bericht
Culhane, J. L.; Hagfors, T.; Reid, G. C.; Southwood, D.; (eds.), E. T.-H.: Space Science Research in Norway - a Critial Evaluation. The Research Council of Norway, Oslo (1994)
80.
Bericht
Nielsen, E.; Axford, W. I.; Hagfors, T.; Kopka, H.; Armand, N. A.; Andrianov, V. A.; Shtern, D. J.; Breus, T.: The ``Long wavelength radar'' on the Mars-94 orbiter. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1994)
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