[PDF] Top 20 Circular array techniques for sonar applications

... an array system to meet its design goals largely depends on the sensitivity of its specified performance to variations in the effective illumination of the array ...the sonar context, is ambient ... See full document

... In wi-fi ad hoc techniques, this challenging modification is no more comfortable. Currently, several analyses have been devoted to improve the way to improve the blockage screen. At the obstruction protection in ... See full document

... the techniques of genetic programing, use in the Evolutionary Modeling to forecast the minimal data ...and techniques have been widely accepted by various studies to uncover the future data ... See full document

... alignment, but requires thinking about how they will be combined and configured. The main entrances of graph matching systems are directed acyclic graphs whose alignment of the components will be identified. Auxiliary ... See full document

... The problem has been solved using co- evolutionary PSO (He and Wang, 2007), PSO-DE (Lui et al, 2010), hybrid charged system with PSO (Kaveh and Talahari, 2011) and HGSO (Zhou et al, 2013). Gandomi et al. (2011) examined ... See full document

... prediction scientifically which can be accounted about the success rate of students to graduate on time. This research is based on the use of data mining. According to Fariz, A, Abouchabaka, J, and Rafalia, N [2], data ... See full document

... Intelligence Techniques’ [7]. The SI techniques focus on animal conduct in order to develop some meta- heuristics which can mimic their problem resolution abilities, such as Particle Swarm Optimization ... See full document

... Flood is among the natural disasters caused by complex factors such as natural, breeding, and environmental. Moreover, the variability of such factors on multiple heterogeneous spatial scales may cause difficulties in ... See full document

... wide range of applications including stadiums, arenas, a complex of entertainment, etc [3]. Using PWM technique to control the luminous of RGB LED and reduce energy consumed using DC technique (converter digital ... See full document

... According to Rosemann et al. [3], published work in software systems deals with the notion of change only after requirements have already been identified and evaluated. Therefore, modeling techniques capture only ... See full document

... As shown by the outcomes in Tables 15 through 18, there appears an irregularity of the sequence of technique for the lowest MAE value with the exception of the AUMI technique. Specifically, the smallest value of MAE in ... See full document

... The spatial distribution has attracted considerable attention in recent years. More recent research in spatial analysis techniques. Taleai et al. [2], this study has introduced an Integrated Spatial Equity ... See full document

... measurements. Sonar performance prediction modelling shows that only rarely two distributed sensors have a similar quality on a specific ping of the target ... See full document

... Abstract—An optimal beamformer attempts to increase SNR at the array output by adapting its pattern to minimize some cost function. This is to say that, the cost function is inversely associated with the quality ... See full document

... periodicity is collapsed even if locally, the Floquet theorem is no longer applicable and the analysis regions of the spatial-domain approaches have to generally cover all the scattering structure under consideration. A ... See full document

... Uniform circular array (UCA) is regarded as a typical planar array, and the array elements are uniformly distributed on a ...linear array (ULA), the UCA can provide both the azimuth and ... See full document

... line array of closely-spaced pressure sensors steered to end fire, examined first, second, and higher order finite ...line array becomes more ...the array of differenced pressure sensors, in any ... See full document

... conventional array processing methods, such as MUSIC and ESPRIT, which require a large amount of snapshots to provide super-resolution DOA and TOA estimation, will be dramatically ...sparsity-based ... See full document

... Concentric ring arrays (CRA) antennas used for direction finding. Ring arrays are produced directional patterns and it scan 360 degrees [1]. Streans and Stewart [2], proposes low sidelobes with concentric ring antennas. ... See full document

... sensitive applications at cost of increased energy consumption, since there is a tradeoff between delay and energy consumption in ...sensitive applications of ... See full document