HF spectrum activity prediction model based on HMM for cognitive radio applications. - Laura Melián-Gutiérrez; Santiago Zazo; J. L. Blanco-Murillo; Iván A. Pérez-Álvarez; Adrian García-Rodríguez; Baltasar Pérez-Díaz (Phys. Commun., 2013)

Phase Shift and Amplitude Array Measurement System Based on 360° Switched Dual Multiplier Phase Detector. - Baltasar Pérez-Díaz; Víctor Araña-Pulido; Francisco J. Cabrera Almeida; Blas-Pablo Dorta-Naranjo (IEEE Trans. Instrum. Meas., 2021)