9Guo Bin , Shi Zhensheng & Wang WenbingElectromagnetic and Communication Laboratory, School of Electronic and Information Engineering,Xi’an Jiaotong University, Xi’an 710049, P. R. China(Received July 3,2001).Radiation Characteristics of the Cavity Backed Antenna in Conducting Cone[J].Journal of Systems Engineering and Electronics,2002,13(2):7-12.