A brief review of compressive sensing applied to radar

In this paper we give a brief review of compressive sensing (CS) applied to radar. Though CS theory has been introduced only a few years ago (in 2006, see e. g. [1]), it today manifests as a kind of revolution in signal processing and sensor systems. We will discuss some properties of CS radar and present a few examples. It is also a concern of the author to point to some limitations and shortcomings if CS is `blindly´ applied with great enthusiasm to any radar problem. The time has come to deliberate when CS will be an advantage and when `oldfashioned´ methods should better be applied.