Toshiaki Tsujii

Senior Researcher
Institute of Space Technology & Aeronautics
Japanese Aerospace Exploration Agency (JAXA)
6-13-1, Ohsawa, Mitaka, Tokyo, 181-0015, JAPAN
TEL : +81-422-40-3605
FAX : +81-422-40-3344
E-mail: tsujii.toshiaki@jaxa.jp

Japan Science & Technology Research Fellow at SNAP (2000-2001)

B.Sc. in astrophysics from Kyoto University, Japan, 1989.

M.Sc. in applied mathematics and physics from Kyoto University, Japan, 1991.

Ph.D. in applied mathematics and physics from Kyoto University, Japan, 1998.

• 1991 - present; Employed as a senior research staff member at the Japanese Aerospace Exploration Agency (JAXA, formerly the National Aerospace Laboratory), Tokyo, Japan.
• 2000 - 2001; JST Research Fellow at SNAP, UNSW. Returned to NAL 5 February 2002. Download final report (summary) and final report (full - 4.7MB).
  
  
  Toshiaki and some SNAPpers having a a good time!
  

• 1988-1991; Simulation of the dynamical evolution of near-parabolic comets under the combined action of the gala.
• 1991 - present; Determination of GPS precise ephemeris Development of the kinematic GPS software and its evaluation by flight tests.
• Interested fields of research include Kinematic GPS, GPS attitude determination of aircraft and spacecraft, Pseudolites, Integration of GLONASS, Precise positioning of long distance / high altitude vehicle, Automatic landing of space shuttle, Orbit determination of satellite, Optical observation and orbit determination of space debris.

• BARNES, J., WANG, J., RIZOS, C., & TSUJII, T., 2002. The performance of a pseudolite-based positioning system for deformation monitoring. 2nd Symp. on Geodesy for Geotechnical & Structural Applications, Berlin, Germany, 21-24 May, 326-337. (Download PDF)
• DAI, L., WANG, J., TSUJII, T., & RIZOS, C., 2001. Pseudolite applications in positioning and navigation: Modelling and geometric analysis. Int. Symp. on Kinematic Systems in Geodesy, Geomatics & Navigation (KIS2001), Banff, Canada, 5-8 June, 482-489. (Download PDF)
• DAI, L., WANG, J., TSUJII, T., & RIZOS, C., 2001. Pseudolite-based inverted positioning and its applications. 5th Int. Symp. on Satellite Navigation Technology & Applications, Canberra, Australia, 24-27 July, paper 9, CD-ROM proc. (Download PDF)
• DAI, L., WANG, J., TSUJII, T., & RIZOS, C., 2001. Inverted pseudolite positioning and its applications. Submitted to Survey Review. (Download PDF)
• DAI, L., WANG, J., TSUJII, T., & RIZOS, C., 2002. Inverted pseudolite positioning and its applications. Survey Review, 36(286), 602-611. (Download PDF)
• Harigae, M., Tsujii, T., et. al., 1998. Flight evaluations of Carrier DGPS/INS hybrid navigation for automatic landing, Proceedings of ION GPS-98, Nashville, Tennessee, Sept. 15-18, 437-448.
• LEE, H.K., WANG, J., RIZOS, C., BARNES, J., TSUJII, T., & SOON, B.K.H., 2002. Analysis of pseudolite augmentation for GPS airborne applications. 15th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Portland, Oregan, 24-27 September, 2610-2618. (Download PDF)
• Tsujii, T., et. al., 1999. Flight tests of GPS/GLONASS precise positioning against dual frequency KGPS profile, GPS Tsukuba 99, Tsukuba, Japan, Oct. 18-22.
• Tsujii, T., 1998. Precise determination of aircraft position and attitude using GPS phase interferometry, Ph.D. Thesis, Kyoto University, Japan (in Japanese).
• Tsujii, T. , Murata, M., and Harigae, M., 1997. First convergence ambiguity resolution on-the-fly for dual frequency GPS receivers and the flight evaluation, 33(8), (in Japanese).
• Tsujii, T. , Harigae, M., and Murata, M., 1997. The development of Kinematic GPS Software, KINGS, and its application to observations of the crustal movements, J. of the Geodetic Soc. Japan, 43(2), (in Japanese).
• Tsujii, T. , Murata, M., and Harigae, M., 1997. Airborne kinematic attitude determination using GPS phase interferometry, 7th AAS/AIAA Space Flight Mechanics Meeting, 10-12 February, Huntsville, Alabama, AAS97-168, 1-12.
• TSUJII, T., WANG, J., RIZOS, C., HARIGAE, M., & INAGAKI, T., 2000. Estimation of residual tropospheric delay for high-altitude vehicles: Towards precise positioning of a stratosphere airship. 13th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Salt Lake City, Utah, 19-22 September, 696-704. (Download PDF)
• TSUJII, T., RIZOS, C., WANG, J., DAI, L., ROBERTS, C., & HARIGAE, M., 2001. A navigation/positioning service based on pseudolites installed on stratospheric airships. 5th Int. Symp. on Satellite Navigation Technology & Applications, Canberra, Australia, 24-27 July, paper 49, CD-ROM proc. (Download PDF)
• TSUJII, T., WANG, J., RIZOS, C., HARIGAE, M., & INAGAKI, T., 2001. Tropospheric delay mitigation for high-altitude vehicle positioning. Geomatics Research Australasia, 75, 87-106. (Download PDF)
• TSUJII, T., WANG, J., RIZOS, C., DAI, L., HARIGAE, M., INAGAKI, T., FUJIWARA, T., & KATO, T., 2001. A technique for precise positioning of High Altitude Paltforms System (HAPS) using a GPS ground reference network. 14th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Salt Lake City, Utah, 11-14 September. (Download PDF)
• TSUJII, T., RIZOS, C., WANG, J., DAI, L., & HARIGAE, M., 2002. A navigation/positioning service based on pseudolites installed on stratospheric airships. Journal of the Japan Society for Aeronautical and Space Sciences, 50(576), 36-39, (in Japanese).
• TSUJII, T., HARIGAE, M., BARNES, J., WANG, J., & RIZOS, C., 2002. A preliminary test of the pseudolite-based inverted GPS positioning in kinematic mode. 2nd Symp. on Geodesy for Geotechnical & Structural Applications, Berlin, Germany, 21-24 May, 442-451. (Download PDF)
• TSUJII, T., HARIGAE, M., BARNES, J., WANG, J., & RIZOS, C., 2002. Experiments of inverted pseudolite positioning for airship-based GPS augmentation system. 15th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Portland, Oregan, 24-27 September, 1689-1695. (Download PDF)
• WANG, J., TSUJII, T., RIZOS, C., DAI, L., & MOORE, M., 2000. Integrating GPS and pseudolite signals for position and attitude determination: Theoretical analysis and experiment results. 13th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Salt Lake City, Utah, 19-22 September, 2252-2262. (Download PDF)
• WANG, J., RIZOS, C., DAI, L., TSUJII, T., BARNES, J., GREJNER-BRZEZINSKA, D., & TOTH, C.K., 2001. Integration of GPS and pseudo-satellites: New concepts for precise positioning. IAG Scientific Assembly, Budapest, Hungary, 2-7 September. (Download PDF)
• WANG, J., DAI, L., TSUJII, T., RIZOS, C., GREJNER-BRZEZINSKA, D., & TOTH, C.K., 2001. GPS/INS/Pseudolites: Concepts, simulation and testing. 14th Int. Tech. Meeting of the Satellite Division of the U.S. Inst. of Navigation, Salt Lake City, Utah, 11-14 September. (Download PDF)
• WANG, J., TSUJII, T., RIZOS, C., DAI, L., & MOORE, M., 2001. GPS and pseudo-satellites integration for precise positioning. Geomatics Research Australasia, 74, 103-117. (Download PDF)