Answers are grounded in this paper and cite their sources.
Microstrip Rotman lenses are multiple beam forming devices for antenna arrays. The research described here has investigated factors limiting the performance of microstrip lenses compared to parallel plate lenses. New techniques for sidewall absorption and lens port pointing have been identified and demonstrated.
No takes yet. Share an insight, caveat, or question.
Musa et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: