Abstract
Abstract In this paper, the SIW(Substrate Integrated Waveguide)-based feeding antenna for the application of SDR(Software Defined Radar) is designed and manufactured. It is usually well-known that SIWs are easily integrated on PCB and have low transmission loss toward high powered input signal. Also, it is recommended that SIWs are strongly immunized to Electromagnetic Interferences(EMI). In parti-cular, the manufactured antennas are loaded on the USRP(Universal Software Radio Peripheral) platform and employed to detect target RCS as an experiment in this paper. The operating frequency of the proposed antenna is in ISM(Industrial, Scientific and Medical) band(2.4Y2.48 GHz) and the measured gain is over 8 dBi at 2.44 GHz. Key words: Substrate Integrated Waveguide, Software Defined Radar, Slot Antenna, S-Band^_`ab .cdef]g5'h_U ijk)f]g5l9_m nop[14911-01004, qr2,s$jSDR KLM'hmn]) tu vVw.x Byz{7c|z{2Cf]{c.(Department of Electronics and Information Engineering, Korea Aerospace University) Manuscript received October 2, 2015 ; Revised December 11, 2015 ; Accepted February 2, 2016. (ID No. 20151002-22S)Corresponding Author: Jae-Wook Lee (e-mail: jwlee1@kau.ac.kr)
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