Fig. 1From: Formulation of a generalised switching CFAR with application to X-band maritime surveillance radarStructure of a CFAR Process. The clutter statistics \(X_1, X_2, \ldots , X_8\) are combined to produce \(S_T,\) which is then normalised by \(\tau\) and compared to the CUT in the decision stage (D). Two guard cells are used on either side of the CUTBack to article page