Abstract
For underwater acoustic systems that work in complicated conditions a new space–time signal processing (STSP) optimisation approach has been developed. It considers, in complex, antenna's motion, structure of the noise, and particularities of the medium. For coherent and stochastic signals STSP algorithms, matched with complicated antenna's motion, multicomponent noises and non-uniform medium together were produced and researched. It was found that in some cases complicated antenna's motion led to rising of noise immunity of the STSP systems. This effect may be used, in particular, in the systems with line arrays for alienating ambiguity in the estimation of signal direction.
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