ASA 128th Meeting - Austin, Texas - 1994 Nov 28 .. Dec 02

2pSP9. Crosscoupling effects on large wideband arrays.

Richard K. Johnson

Siemens Med. Systems, 22010 SE 51 St., Issaquah, WA 98027

The effects of crosscoupling on array performance can be well described by spatiotemporal or spatiofrequency correlation matrices. The data acquisition and analysis required for this approach, however, are very demanding tasks for large wideband arrays. The most important effects of crosscoupling within an array are latent in single element beam patterns which are relatively simple to measure. This paper describes the use of these single element beam patterns to predict array performance and to establish crosscoupling requirements.