**Author details**

Rubén Tena Sánchez1,2, Lars Jacob Foged1 and Manuel Sierra Castañer<sup>2</sup> \*

1 Microwave Vision Group, Pomezia, Rome, Italy

2 Universidad Politécnica de Madrid, ETSI Telecomunicación, Information Processing and Telecommunications Centre, Madrid, Spain

\*Address all correspondence to: manuel.sierra@upm.es

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
