Abstract: This paper describes fully adaptive nonlinear space-time processing on nested arrays. Nested arrays are sparse arrays that in conjunction with nonlinear processing of the received signals ...

Abstract: We propose a directive antenna for borehole radar using a horizontally polarized wave in a vertical borehole. This antenna is an array of several horizontal loop antennas, arranged ...

The annual meetings of the Chicago Loop Alliance are no place for truth-telling about the self-evident problems of the Chicago Loop. As Friday’s big gathering at Willis Tower made clear, this is a ...