MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 57, no. 5, 2015-05
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, vol. 12, no. 4, page. 860 - 864, 2015-04
한국전자파학회논문지, vol. 25, no. 2, page. 218 - 225, 2015-02