Search Results:  1-20 of 390

  • 1

    First Small-Signal Data of GaN-Based p-Channel Heterostructure Field Effect Transistors

    Hahn Herwig , Reuters Benjamin , Pooth Alexander , Noculak Achim , Kalisch Holger , Vescan Andrei

    … In this brief note, we report for the first time the small-signal characteristics and cut-off frequencies of a p-channel device. …

    Jpn J Appl Phys 52(12), 128001-128001-2, 2013-12-25

    The Japan Society of Applied Physics

  • 2

    Adaptive Keypose Extraction from Motion Capture Data (Preprint)

    Takeshi Miura , Takaaki Kaiga , Hiroaki Katsura , Katsubumi Tajima , Takeshi Shibata , Hideo Tamamoto

    … It adaptively extracts keyposes in response to the motion characteristics of a given data stream. … The cut-off frequencies of the filters are distributed over a wide frequency range. …

    IPSJ Journal 54(12), 2013-12-15

    Information Processing Society of Japan

  • 3

    Characteristics of Stuttering-like Disfluencies in Japanese-Speaking Preschoolers(<Feature Article>Analyses and Conditions of Speech Disorders-Focusing on Stuttering and Articulation Disorders-)  [in Japanese]

    SAKATA Yoshimasa , UJIHIRA Akira , MOCHIDA Akiko , YOSHINO Mariko

    … Although a cut-off of 3 stuttering-like disfluencies (SLD) per 100 morae could classify only 46% of the CWS, 1 SLD per 100 morae could classify 96% of them. … Our data showed single-syllable word repetitions are not the SLD and 1 SLD per 100 morae is an appropriate cut-off point in Japanese. …

    Journal of the Phonetic Society of Japan 17(2), 72-82, 2013-08-30

    CiNii Fulltext PDF - Limited 

  • 4

    Development of a Digital Fluxgate Magnetometer using a Sigma-Delta DAC for Spacecraft Applications  [in Japanese]

    IGUCHI Kyosuke , MATSUOKA Ayako

    人工衛星搭載フラックスゲート磁力計を用いた磁場の「その場観測」は,宇宙プラズマの研究に必要不可欠である.複数衛星による同時多点観測ミッションや木星などの磁気圏探査ミッションでは,搭載機器の重量や電力に厳しい制限がある.磁力計を小型軽量・省電力化するために, 1990年代にはディジタル方式フラックスゲート磁力計(以下,ディジタル磁力計と呼ぶ)が開発された.地球磁気圏内外における宇宙プラズマのスケール …

    JAXA research and development report JAXA-RR-12-008, 1-80, 2013-03

    CiNii Fulltext Link

  • 5

    IIR Digital Filter Designed by Interpolation Method  [in Japanese]

    Suhara Yoshiro

    我々は、自然界より種々の情報を受け、又、情報を発信しながら生活している。これらの情報は、会話の際には音声情報により、又、視覚情報としては画像情報により行われる。さらに、例えば、脳波の測定や心電図の測定により体の健康状態に関する情報が得られ、地震波の測定により地震の震源地や規模の情報を得られる。この際、これらの情報を観測した種々の信号、又、ネットワークを通じて送受信される信号を分析する手法として、フ …

    Bulletin Kyushu Institute of Information Sciences 15, 107-115, 2013-03

    CiNii Fulltext PDF - Open Access 

  • 6

    Clinical Experience with Nifekalant in the Management of Tachyarrhythmias  [in Japanese]

    Jimbo Shino , Miura Masaru , Takabatake Kazuaki , Fukushima Naoya , Saito Mika , Tamame Takuya , Yokoyama Seiichirou , Ohki Hirotaka , Shibuya Kazuhiko

    … し,QTc(B:Bazett式による補正)およびQTc(F : Fridericia式による補正)の有意な延長を認めた(585 msec vs. 460 msec, median, p = 0.001 および535 vs. 410 msec, median, p = 0.001).また,ROC曲線によるTdpを起こしうるcut-off値はQTc(B)で531 msec,QTc(F)で460 msec であった.<B>結論:</B>NIFは小児の不整脈に対し有効な薬剤であると考えられるが,投与中,特にQTc(B)が531 msec 以上,あるいはQTc(F)が460 msec …

    Pediatric Cardiology and Cardiac Surgery 29(6), 300-305, 2013

    J-STAGE Ichushi Web CrossRef

  • 7

    Measurement of In-Cylinder Turbulence in An Internal Combustion Engine Using High Speed Particle Image Velocimetry  [in Japanese]

    OKURA Yasuhiro , HIGUCHI Kazuya , URATA Yasuhiro , SOMEYA Satoshi , TANAHASHI Mamoru

    … In this study, in-cylinder flow has been measured using high speed PIV to investigate turbulent characteristics of in-cylinder flow and to give a guiding principle for optimization of intake port and combustion chamber for down sized boosted engine. … To clarify turbulence characteristics which will affect combustion process in engines, decomposition method of turbulence component from instantaneous velocity are investigated. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 79(806), 2193-2206, 2013

    J-STAGE CrossRef

  • 8

    Identification of the risk factors associated with hypocalcemia induced by denosumab

    Okada Naoto , Kawazoe Kazuyoshi , Teraoka Kazuhiko , Kujime Toshihide , Abe Masahiro , Shinohara Yasuo , Minakuchi Kazuo

    … The cut off value of CCr was 50.4 ml/min calculated by receiver-operator characteristics curves. …

    Biological and Pharmaceutical Bulletin, 1622-1626, 2013

    J-STAGE CrossRef

  • 9

    ED2012-106 High Frequency Performance of GaAsSb/InGaAs Tunnel Diodes

    PATRASHIN Mikhail , SEKINE Norihiko , KASAMATSU Akifumi , WATANABE Issei , HOSAKO Iwao

    … Among various detector technologies, zero-bias heterostructure tunnel diodes based on III-V compound semiconductors have promising characteristics, such as reduced 1/f noise, higher operational frequencies due to small device capacitances, and feasibility of monolithic integration of the detectors with low noise amplifier (LNA) circuits. … Optimization of the device structure can improve the sensitivity and the cut-off frequency. …

    IEICE technical report. Electron devices 112(364), 75-76, 2012-12-10

    CiNii Fulltext PDF - Limited 

  • 10

    Direct Current and Microwave Characteristics of Sub-micron AlGaN/GaN High-Electron-Mobility Transistors on 8-Inch Si(111) Substrate

    Arulkumaran Subramaniam , Ng Geok Ing , Vicknesh Sahmuganathan , Wang Hong , Ang Kian Siong , Tan Joyce Pei Ying , Lin Vivian Kaixin , Todd Shane , Lo Guo-Qiang , Tripathy Sudhiranjan

    … We report for the first time the DC and microwave characteristics of sub-micron gate ({\sim}0.3 μm) AlGaN/GaN high-electron-mobility transistors (HEMTs) on 8-in. … The fabricated sub-micron gate devices on crack-free AlGaN/GaN HEMT structures exhibited good pin.-off characteristics with a maximum drain current density of 853 mA/mm and a maximum extrinsic transconductance of 180 mS/mm. …

    Jpn J Appl Phys 51(11), 111001-111001-4, 2012-11-25

    The Japan Society of Applied Physics

  • 11

    Bronchoalveolar lavage galactomannan for the diagnosis of chronic pulmonary aspergillosis

    Izumikawa Koichi , Yamamoto Yoshihiro , Mihara Tomo , Takazono Takahiro , Morinaga Yoshitomo , Kurihara Shintaro , Nakamura Shigeki , Imamura Yoshifumi , Miyazaki Taiga , Nishino Tomoya , Tsukamoto Misuzu , Kakeya Hiroshi , Yanagihara Katsunori , Mine Mariko , Yasuoka Akira , Tashiro Takayoshi , Kohno Shigeru

    … We retrospectively reviewed the diagnostic and clinical characteristics of 144 patients, with and without CPA, in Nagasaki University Hospital, Japan, whose BAL and serum specimens were examined for the presence of GM. … PA EIA of BALF is superior to the test with serum, with the optimal cut-off values for BALF and serum of 0.4 and 0.7, respectively. …

    Medical Mycology 50(8), 811-817, 2012-11

    IR CrossRef

  • 12

    Relationship between Microvessel Count and Clinicopathological Characteristics and Postoperative Survival in Patients with Pancreatic Carcinoma

    Nanashima Atsushi , Shibata Kenichirou , Nakayama Toshiyuki , Abo Takafumi , Nonaka Takashi , Fukuda Daisuke , Fukuoka Hidetoshi , Hidaka Shigekazu , Takeshita Hiroaki , Sawai Terumitsu , Yasutake Toru , Nagayasu Takeshi

    … Background/Aims: The present study aimed to elucidate the relationship between microvessel count (MVC) according to CD34 expression and clinicopathological characteristics or prognosis in pancreatic carcinoma (PC) patients who underwent hepatectomy. … Results: Median MVC for PC patients was 123/mm2, which was applied as a cut-off value. …

    Hepato-gastroenterology 59(118), 1964-1969, 2012-09

    IR CrossRef

  • 13

    Design and Performance of High-cutoff field assembly wavelength selective termination  [in Japanese]

    SHIMPO Makoto , ARAKI Noriyuki , SAKO Shigeki

    光線路インサービス試験を行うために,ONUの直前に試験光を遮断する光学フィルタを搭載した外被把持型波長選択ターミネーションが適用されている.しかし一部のONUにおいて既存のターミネーションでは試験光遮断量が不十分で通信に影響を及ぼす可能性があり適用することができなった.本稿では既存品よりも遮断特性を高性能化した外被把持型波長選択ターミネーションを設計・開発し,その特性と信頼性について確認したので報 …

    Technical report of IEICE. OFT 112(194), 61-64, 2012-08-23

    CiNii Fulltext PDF - Limited 

  • 14

    Modeling of nonlinear quantum transport for tunnel diodes and theoretical analysis of its cut-off frequency  [in Japanese]

    Yamashita Shin , Kurakami Yuji , SAITO Mitsufumi , SUHARA Michihiko

    未開拓な周波数帯であるテラヘルツ帯(100GHz〜30THz)を利用した大容量無線通信の実現に向けて、室温でテラヘルツ動作可能な電子デバイスの1つである共鳴トンネルダイオード(RTD)が注目されている。しかし、RTDの超高周波動作特性制限要因などの理論的取り扱いは未開拓である。そこで本研究では、RTDの基本構造であるトンネルダイオードの超高周波動作特性解析のための非平衡量子輸送モデルの確立と定式化 …

    IEICE technical report. Electron devices 112(154), 43-48, 2012-07-19

    CiNii Fulltext PDF - Limited 

  • 15

    Utility and limitations of PHQ-9 in a clinic specializing in psychiatric care

    Inoue Takeshi , Tanaka Teruaki , Nakagawa Shin , Nakato Yasuya , Kameyama Rie , Boku Shuken , Toda Hiroyuki , Kurita Tsugiko , Koyama Tsukasa

    … Methods: We compared operational characteristics of PHQ-9 as a screening and diagnostic instrument to DSM-IV-TR diagnosis by a trained psychiatrist as a reference standard. … The optimal cut-off points of PHQ-9 summary scores were analyzed using a receiver operational characteristics (ROC) curve. … The ROC analysis showed the optimal cut-off score of 13/14 for "current major depressive episode". …

    BMC Psychiatry 12, 73, 2012-07-03

    IR CrossRef

  • 16

    BMI is Strongly Associated With Hypertension, and Waist Circumference is Strongly Associated With Type 2 Diabetes and Dyslipidemia, in Northern Chinese Adults

    FENG Ren-Nan , ZHAO Chen , WANG Cheng , NIU Yu-Cun , LI Kang , GUO Fu-Chuan , LI Song-Tao , SUN Chang-Hao , LI Ying

    … We analyzed the optimal obesity index cut-off values for metabolic syndrome (MetS), and identified the obesity index that is more closely associated with these chronic diseases, in a population of northern Chinese.<BR>Methods: We surveyed 8940 adults (age, 20–74 years) living in northern China for chronic diseases. …

    Journal of Epidemiology 22(4), 317-323, 2012-07-01

    J-STAGE Ichushi Web CrossRef References (34)

  • 17

    Formation of Culture and Movement of People in Prehistoric Ryukyu-With focus on the mutual human- geographical relation between islands  [in Japanese]

    Kinoshita Naoko , キノシタ ナオコ , Kinoshita Naoko

    … This paper discussed its characteristics, combining Naoichi KOKUBU's division of the islands into three cultural areas, and a classification of the relation among the islands based on their geographical relation to their cultural bases Kyushu or Taiwan respectively and on their mutual distance being with eyesight or not. … The Yaeyama archipelago "cannot be seen from Taiwan but Taiwan is within eyesight from Yaeyama", but it was cut off culturally over a long period of time; …

    Kumamoto journal of culture and humanities 103, 13-27, 2012-03-10

    IR

  • 18

    Novel Compact High-Pass Filter with Sharp Attenuation Slope Using Cross-Coupling in the Multi-Layer Structure

    YASUZUMI Takenori , UWANO Tomoki , HASHIMOTO Osamu

    … With the gap capacitor adjusted the proposed HPF illustrates the steep slope characteristics near the cut-off frequency by the attenuation pole. …

    IEICE Transactions on Electronics 95(2), 313-316, 2012-02-01

    J-STAGE CrossRef References (7)

  • 19

    The relation of Lifestyle with homebound in community elderly residents  [in Japanese]

    MIYABARA HIROYA

    目的:閉じこもり高齢者に影響を及ぼす要因とライフスタイルのカットオフ値を求めることを目的とした。方法:2007年 A 市保健センターにおいて健康診断を受けた60歳以上の住民のうち,男女211名を対象に,閉じこもり,ライフスタイル,生活機能,主観的健康感に関する質問紙による調査を行った。結果:閉じこもりと年齢,ライフスタイル,生活機能,主観的健康感が閉じこもりの有無と有意に関連しており,ROC 分析 …

    Japanese Journal of Health Promotion and Physical Therapy 2(2), 53-57, 2012

    J-STAGE CrossRef

  • 20

    Inclined Slot Array Antennas on a Hollow Rectangular Coaxial Line

    YAMAGUCHI Satoshi , TAHARA Yukihiro , TAKAHASHI Toru , NISHIZAWA Kazushi , MIYASHITA Hiroaki , KONISHI Yoshihiko

    … Slotted-waveguide array antennas are attractive because of their low-loss characteristics at high frequencies. … As opposed to a conventional waveguide, there is no "cut-off" concept in our proposal because the coaxial line is a transverse electromagnetic (TEM) line. …

    IEICE Transactions on Communications E95.B(9), 2870-2877, 2012

    J-STAGE CrossRef

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