1. Korea Research Institute of Standards and Science, Daejon, 305-340, Republic of Korea
2. University of Science and Technology, Daejon, 305-340, Republic of Korea
3. Japan Aerospace Exploration Agency, Tsukuba Space
Center, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan
4. National Optics Institute, Remote Sensing Group, 2740 Einstein, Québec, Québec G1P 4S4, Canada