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An atmospheric pressure plasma jet linear array consisting of five jet units is developed; the influences of applied voltage amplitude, frequency of the power supply, and Ar flow rate on its characteristics are investigated using lighting emission images. The results show that the length and shape of the jet array vary with variation in these parameters, and the optimum operation conditions for the...
Circular array used in practical applications often have sensors mounted on an arbitrary acoustic baffle. In this paper a model is presented for calculating the noise cross spectral matrix of such an array, thus array gain computation and weighting vector design for supergain beamformer can incorporate the baffle scatter effects by using the exact noise cross spectral matrix. However, supergain beamformer...
Circular arrays used in underwater acoustic systems for passive surveillance often have sensors mounting around a rigid spherical baffle. In this paper, a model is introduced for computing the array gain of such an array based on the concept of phase mode, which incorporates baffle scatter using hard sphere scattering theory. Some illustrative examples show the weak mode order for some frequencies...
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