Novel Platform for Droplet Detection and Size Measurement Using Microstrip Transmission Lines. - Juliana de Novais Schianti; Ariana Lacorte Caniato Serrano; Daniel Orquiza de Carvalho; Rafael A. Penchel; Julio Mota Pinheiro; Mário R. Góngora-Rubio; Gustavo Pamplona Rehder (Sensors, 2019)

Implementation of a Millimeter-Wave Butler Matrix on Metallic Nanowires-Filled Membrane Platform. - Bruno M. Verona; Eligia Simionato; Gustavo Palomino; Ivan Aldaya; Rafael A. Penchel; Ariana Lacorte Caniato Serrano; Gustavo Pamplona Rehder (IEEE Access, 2024)

Multi-Objective Optimization of Machine Learning-Based Nonlinear Equalizers for Digital Coherent Optical Interconnects. - Lucas C. Dantas; Hildo Guillardi Júnior; Plinio Dester; Rafael A. Penchel; José Augusto de Oliveira; Marcelo L. F. Abbade; Leandra I. Abreu; Jinlong Wei; Ivan Aldaya (IEEE Access, 2025)

Analysis of Eccentric Coaxial Waveguides Filled with Lossy Anisotropic Media via Finite Difference. - Raul O. Ribeiro; Maria A. Martinez; Guilherme S. Rosa; Rafael A. Penchel (CoRR, 2025)