Polarisation-vector translation in radar systems

The author has concluded that a vector-signal processor which notionally adapts the location of a multinotch logic-product polarisation suppression filter in polarisation space such that it coincides with the location in polarisation space of the unwanted incident field samples could represent a rather severe load in terms of processing time. Consequently he has developed the alternative approach whereby the processor transforms the incident-field polarisation vectors to that fixed location in polarisation space at which the filter achieves maximum suppression. To help illustrate this new development and its significance within the virtual polarisation adaptation (VPA) concept there is a brief but comprehensive recapitulation of VPA principles. As well as explaining the polarisation-vector transformation process, the paper gives an outline of the mathematics involved and how the process would be applied as a tool for improving target detection capability through the suppression of unwanted signals. It is likely that the rather simple arid elegant technique which is involved may have application in fields other than radar, and it lends itself well to real-time implementation.