Title :
Millimeter-wave transmission-loss evaluation of microstrip lines and post-wall waveguides and effects on efficiency of post-wall waveguide slot arrays
Author :
She, Yuanfeng ; Hirokawa, Jiro ; Ando, Makoto
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
In this paper, the authors have obtained the transmission losses by measuring microstrip lines and post-wall waveguides of different lengths and estimated the loss per unit length. These losses have been analytically derived by different closed formulas and compared with the measured values. The effective conductivity and complex permittivity by WG mode resonator method have been quantitatively confirmed in millimeter wavebands. The efficiency due to the transmission loss has been discussed.
Keywords :
microstrip lines; millimetre wave antennas; millimetre waves; resonators; slot antenna arrays; WG mode resonator; microstrip lines; millimeter-wave transmission-loss evaluation; postwall waveguide slot arrays; Conductivity; Conductors; Dielectric losses; Dielectric substrates; Microstrip antenna arrays; Millimeter wave measurements; Millimeter wave technology; Permittivity; Planar waveguides; Propagation losses;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE
Conference_Location :
Charleston, SC
Print_ISBN :
978-1-4244-3647-7
DOI :
10.1109/APS.2009.5172106
