Abstract
The operating principle of passive radar is rooted in the past century, but its operative technology has been rapidly developing over the last 20 years, with applications that nowadays range from aerial and maritime surveillance to imaging and from home automation to e-health. Despite the variety of applications that this technology enables, the basic idea remains the same: the appropriate exploitation and reuse of already available transmissions for an increased ability to acquire information from a given scenario. This chapter will cover the basics of passive radar systems, starting with their operating principle and illustrating their advantages and limitations, providing the reader with the tools to understand their potential and more advanced applications. Next, it will discuss the latest scientific advances reported in the literature and the most innovative fields of application, as well as the most promising prospects for the future of this challenging technology.
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Acknowledgments
The authors would like to gratefully acknowledge the collaboration of many colleagues at Sapienza University of Rome. We are extremely thankful to all the colleagues of the entire Radar Remote Sensing and Navigation research group whose support was essential to the realization of the work reported in this chapter.
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Filippini, F., Colone, F. (2023). Passive Radar: A Challenge Where Resourcefulness Is the Key to Success. In: Greco, M.S., Cassioli, D., Ullo, S.L., Lyons, M.J. (eds) Women in Telecommunications. Women in Engineering and Science. Springer, Cham. https://doi.org/10.1007/978-3-031-21975-7_8
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