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In this article, the problem of providing robustness to the array receiver configuration so as to achieve robust mainlobe gain and low sidelobes under the highly dynamic condition is addressed. We introduce a novel convex constrained optimization and compressed-sensing (CS) beamforming model (CCOB-CS) in which spatially sparse signals are reconstructed using an orthogonal matching pursuit (OMP) algorithm...
Nowadays, people write comments of restaurants and upload related photos to food blogs after visiting there. Developing a mobile application which enables the user to effectively search restaurants from data in these blogs becomes an emerging need. Besides reading the comments, most people will give a glance at food photos of a restaurant and then decide whether to go or what to eat. Therefore, we...
To a class of discrete interval systems, this paper introduces a class of method of designing the state and output feedback gain which place the closed-loop poles of a given discrete interval system inside a specified circular disc, in terms of LMIs. The reliable controllers of actuator failure model and sensor failure model are also presented in this paper. At the end of this paper, numerical examples...
Current sensor is one of the key elements in the control system of induction motor. Whether the accurate measurement of variables reflecting motor operation status can be made will directly affect the control effect on motor system and therefore the timely, accurate detection of sensor fault is necessary. This paper brings forward an observer-based method of residual generation and fault detection...
To achieve food safety, risk control in food supply chain is required. Supplier evaluation and selection is one important process for food supply chain. This paper establishes a system based on risk control and integrates the DEA-based objective method and the ANP-based subjective method into a new ANP&DEA-based decision model for supplier evaluation. The paper explains the mathematical analysis...
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