1. Optical observations of space debris near geostationary orbit;Arimoto,1997
2. High-speed laser communication experiment on JEM;Arimoto,1998
3. Japanese new telescope for space debris and near-Earth object observations;Isobe,1998
4. Cross correlation processing of bistatic radar data in frequency domain;Murakami,1997
5. MU radar measurements of orbital debris;Sato;J. Spacecraft,1991