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机译:
Nanjing Univ Sci & Technol, Minist Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China;
Univ Macau, Fac Sci & Technol, Dept Elect & Comp Engn, Macau, Peoples R China;
Dual resonances; square patch antenna; substrate integrated waveguide (SIW) cavity; wide bandwidth;