Answers are grounded in this paper and cite their sources.
A new method for determining the effective relative permittivity of microstrip, even at high frequencies, is presented. Four microstrips having the same physical and geometric characteristics, but different lengths, are needed; the mismatch due to the launchers is completely overcome.
No takes yet. Share an insight, caveat, or question.
Bianco et al. (1975) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: