IET International Radar Conference 2018 will be held on 17-19 October 2018 in Nanjing city, China. This is the fourth IET International Radar Conference series in China after the first three successful conferences held in April 2009, Guilin, April 2013, Xi’an, and October 2015, Hangzhou, respectively. The conference aims to introduce the latest technological development and academic research hot issues of the radar technology, especially the latest researches and applications of civilian radar technology. It will provide a platform for radar experts and technicians to exchange ideas and achievements. Templates and submission instructions are available at website:www.ietradar.org. All accepted papers will be published in the conference proceedings and be submitted to IET Inspec and IEEE Xplore. After the conference, the papers will be submitted for EI Compendex. Excellent papers selected by the conference will be recommended for publication in the Journal of Engineering and Science in China Series F Information Sciences (Sci China F).