INTRODUCTION The Asia-Pacific Conference on Synthetic Aperture Radar (APSAR) is an international conference to devote the SAR technology development and application. The APSAR is a forum of SAR engineers and scientists from all the worlds, especially from the Asia-Pacific area. The APSAR will be held in China, Japan, Korea, Australia and Singapore in turn. The First Asia-Pacific Conference on Synthetic Aperture Radar (APSAR 2007) is going to be held in Nov.5-9, 2007 at Huangshan city, China. The sponsor of APSAR 2007 is the Chinese Institute of Electronics (CIE). The Asia-Pacific Conference on Synthetic Aperture Radar (APSAR) set up an APSAR secretariat in China. The APSAR Secretariat is the permanent organization of APSAR. It takes charge of relevant work of APSAR. The APSAR Secretariat has 5 international secretaries from China, Japan, Korea, Australia and Singapore. The first Secretariat of APSAR is suggested as following: Secretary General Prof. Wu Shunjun (China) Secretary Prof. Yoshio Yamaguchi (Japan) Secretary Prof. Young Kil, Kwag (Korea) Secretary Prof. Don Sinnott (Australia) Secretary Prof. Yeo Tat Soon (Singapore) The APSAR Secretariat will keep in contact with every international secretary, and has a secretariat meeting every time in the APSAR hold place. GENERAL INFORMATION The conference language is English, and all presentations, discussions and submissions for publications must be performed in English. The conference includes: ，Plenary Session (opening ceremony and invited report) ，Tutorials (approximately 6 experts) ，Oral sessions and poster session ，Technical Exhibition (SAR images and achievements) ，Tour of Huangshang Scenic Spots and Tunxi Ancient Street