Call for papers - focused section on anthropomorphism in mechatronic systems
作者： S.Y. Poh , W.C. Chew , J.A. Kong
DOI: 10.1109/TMTT.1981.1130513
关键词:
摘要: In the above paper, approximate formula for characteristic impedance Z of a microstrip line, with substrate dielectric constant /spl epsi/, and thickness to width ratio h/W, should be Z/spl cong/ 377/ radic//spl epsi//sub r/ {1-2 / pi//spl (h /w) [(1+/spl r/) ln (2h W) - 2.230 4.554/spl (4.464 + 3.89/spl h W]} /sup 1 2 /, h/W small.
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