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High-Performance Pipelined VLSI Architecture of the LMS Adaptive Filter
Kyo Takahashi,Shingo Sato,Yoshitaka Tsunekawa 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
This paper presents a high-performance pipelined VLSI architecture of the LMS adaptive filter derived by a cut-set retiming technique (CSRT). The architecture has a minimum output latency, high sampling rate, small hardware, and low power dissipation, simultaneously.
Fabrication and Mechanical Properties of Porous Ti/HA Composites for Bone Fixation Devices
Nomura, Naoyuki,Sakamoto, Kozue,Takahashi, Katsuya,Kato, Seiji,Abe, Yasunori,Doi, Hisashi,Tsutsumi, Yusuke,Kobayashi, Masahiro,Kobayashi, Equo,Kim, Woo-Jong,Kim, Kyo-Han,Hanawa, Takao The Japan Institute of Metals 2010 MATERIALS TRANSACTIONS Vol.51 No.8
<P>Porous Ti (pTi)/hydroxylapatite (HA) composites were fabricated by an infiltration method in a vacuum and sintering. The Young’s modulus of the composites was evaluated before and after the immersion in Hanks’ solution. The strength of the composites was also evaluated by four-point bending test. The Young’s modulus of the compacts was governed by the porosity and was comparable to the human bone in the porosity range from 24 to 34%. The Young’s modulus of sintered pTi/HA composites was larger than that of pTi. The Young’s modulus of the sintered pTi/HA composites decreased after immersion in Hanks’ solution. The proof and bending strengths of the sintered pTi/HA composites were larger than those of pTi. Solid solution hardening of Ti by oxygen contributed the increase of the proof strength.</P>