Water Content Continuous Monitoring of Grapevine Xylem Tissue Using a Portable Low-Power Cost-Effective FMCW Radar. - Carlos Quemada Mayoral; Cebrián García González; Juan Carlos Iriarte Galarregui; Diana Marín; Diego Gastón; Carlos Miranda; Ramón Gonzalo; Itziar Maestrojuán; Luis Gonzaga Santesteban; Iñigo Ederra (IEEE Trans. Geosci. Remote. Sens., 2019)