Recently we have developed an eigenvector method (EVM) which can achieve the blind deconvolution (BD) for MIMO systems. The attractive features of the proposed algorithm are that the BD can be achieved by calculating ...
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Recently we have developed an eigenvector method (EVM) which can achieve the blind deconvolution (BD) for MIMO systems. The attractive features of the proposed algorithm are that the BD can be achieved by calculating the eigenvectors of a matrix and by using reference signals. However, the performance accuracy of the EVM depends highly on the computational result of the eigenvectors. In this paper, by modifying the EVM, we propose an algorithm which can achieve the BD without calculating the eigenvectors. Then the pseudo-inverse which is needed to carry out the BD is calculated by our proposed matrix pseudo-inversion lemma. Simulation results will be presented for showing the validity of the proposed method.
Combining the time reversal mirror (TRM) with the spatio-temporal gradient analysis has an ability to localize a scatterer such as a defect in a thin plate. Time-reversed signals propagate backwards through the time-i...
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Ultrasonic guided waves, because of their long range inspection ability, are now being used more and more as a very efficient and economical NDE method for large area inspection. The use of Lamb-waves has recently bee...
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In this paper, a compound sensor is proposed for the measurement of ingredient concentration in liquid. In the proposed sensor, the optical property is measured by a light emitting diode (LED) and a phototransistor. I...
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This paper proposes a method for evaluating fuzzy voice commands (FVCs) by user guided visual attention. FVCs inherit fuzzy linguistic information due to the inclusion of fuzzy linguistic terms such as "very litt...
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This paper proposes a method for evaluating fuzzy voice commands (FVCs) by internal rehearsal. The robot's experience on previous movements is very useful for understanding fuzzy linguistic information. Therefore,...
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This paper proposes a method for understanding the user commands based on visual attention. Visual attention system is implemented to evaluate the fuzzy linguistic information based on the environmental conditions. It...
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Many persons suffer from severe disabilities such as amyotrophic lateral sclerosis (ALS) caused by neurological disorders. Such kinds of disabilities bring various restrictions to communication and circumstance in the...
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Recently, the applications of the virtual space become more popular. In some cases, the experiments in real space require huge time and huge costs. For such cases, experiments in the virtual space are applied. We have...
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This paper proposes a method for evaluating fuzzy voice commands (FVCs) by user guided visual attention. FVCs inherit fuzzy linguistic information due to the inclusion of fuzzy linguistic terms such as "very litt...
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