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This paper investigates the minimum achievable redundancy rate of fixed-to-fixed length lossless source codes (FF codes) for general sources. This paper defines the redundancy rate of the FF code by the difference between the coding rate and the self information rate. We prove that the minimum achievable redundancy rate is equal to the limit superior in probability of the width of the information...
We propose an electrostatic control system that consists of a space charge balance sensor, a control circuit, a control ring and an AC corona discharge air ionizer. This electrostatic control system can maintain the final voltage at less than sub 1.0 V in spite of the very simple structure.
This paper describes a position sensorless control technique on AC servo motor position control systems. We had previously presented a paper on the DC servo motor position sensorless control technique using mechanical springs. It was based on a point of view that mechanical springs form the key components for the observability. On the basis of the result obtained from the successful experiment, we...
In the previous work in Proc. ISIT2003 and Proc. ISITA2004, we have investigated some relationships between sufficient statistic and weakly universal lossless source coding, and proposed asymptotically sufficient statistic method to evaluate the pointwise redundancy of source codes. This method is an attempt to understand the universality of general lossless source codes from a simple and unified...
A method for roughening surfaces of copper or copper alloy to provide excellent adhesion of a coated or laminated layer thereon, comprising treating with an aqueous solution comprising an azole compound, a copper compound dissolvable in the solution, an organic or inorganic acid, and a halogen ion.
We reported previously the in vitro hapten-specific sensitization method using Pam-212 cells to identify potential contact allergens (Pam Test Assay). In the present study, we attempted the comparison study about 2 irritants and 9 allergens in order to be able to evaluate the method as an alternative predictive test, furthermore, to increase the sensitivity of that assay we compared the sensitivity...
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