Search Results:  1-20 of 555

  • 1

    Design method of low order narrow band IIR digital filters  [in Japanese]

    Suhara Yoshiro

    ディジタル信号処理において、周波数選択性をもつディジタルフィルタは、周波数領域における設計を実現する手段として多く利用されている。ディジタルフィルタは、インパルス応答に着目すると、インパルス応答が無限に続くIIRフィルタと、インパルス応答が有限時間しか続かないFIRフィルタとに分けられる。FIRフィルタは直線位相となる設計が可能で波形伝送を行う場合波形歪みが生じないが、急峻な遮断特性を実現するため …

    Bulletin Kyushu Institute of Information Sciences 16, 61-69, 2014-03

    CiNii Fulltext PDF - Open Access 

  • 2

    Validation of the Beijing Version of the REM Sleep Behavior Disorder Questionnaire (RBDQ-Beijing) in a Mainland Chinese Cohort

    Chang Yi , Gu Zhuqin , Zhan Shuqin , Zhang Hui , Li Yuan , An Jing , Ding Yan , Nie Xiuhong , Chan Piu

    … Receiver-operator characteristics curve analysis was conducted to attain the best cut-off values of the RBDQ-HK and RBDQ-Beijing. …

    The Tohoku Journal of Experimental Medicine 234(1), 7-15, 2014

    J-STAGE CrossRef

  • 3

    Adult Growth Hormone Deficiency: Current Concepts

    FUKUDA Izumi , HIZUKA Naomi , MURAOKA Toko , ICHIHARA Atsuhiro

    … The main characteristics of AGHD are abnormal body composition, dyslipidemia, insulin resistance, and an impaired quality of life (QoL) due to decreased psychological well-being. … The cut-off for diagnosing severe AGHD is a peak GH concentration of 9 g/L during the GHRP-2 test. …

    Neurologia medico-chirurgica, 2014

    J-STAGE CrossRef

  • 4

    Application of a Modified MS Medium for Tissue Culture with Cutting in Phalaenopsis-Comparison with Other Conventional Media with Regard to the Survival Rate and Varietal Differences in Cultural Characteristics  [in Japanese]

    ENOKI Shinichi , TAKAHARA Yoshinori

    コチョウランの培養では切断面から多量のフェノール様物質が溶出し生存率が低下するため培養が困難である.このため切断を伴う培養に適した培地の開発を目標に研究を行った.開発した修正MS培地(以下PSR培地)と各種培地に,PLBをPSR培地上で培養増殖させ得られた長さ2 cmのシュートをPLBから切り離して置床し,シュート生存率を比較したところ,修正VW培地に比べ,PSR培地,NDMで値は非常に高かった. …

    Shokubutsu Kankyo Kogaku 26(2), 109-117, 2014

    J-STAGE CrossRef

  • 5

    Adaptive Keypose Extraction from Motion Capture Data

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

    … 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. …

    Journal of Information Processing 22(1), 67-75, 2014

    J-STAGE CrossRef

  • 6

    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

  • 7

    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

  • 8

    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 - Open Access 

  • 9

    Development of the 8-pole 2GHz band spiral resonator BPF which formed the attenuation pole by tap electric supply  [in Japanese]

    Nakatani Keigo , Ishizaki Toshio

    本報告では,2012年度学生マイクロ波回路設計試作コンテストにて試作したフィルタ特性について述べる.2GHz帯のBPFを試作するにあたって減衰量を重視するためマイクロストリップラインを用いたスパイラル構造の共振器を多段構成し,チェビシェフ型8段BPFを設計・試作した.フィルタの減衰特性を向上させるため,通過帯域の両側に減衰極を形成するため入出力結合をタップ給電にし,入出力共振器の一部を先端開放スタ …

    IEICE technical report. Microwaves 113(110), 29-33, 2013-06-20

    CiNii Fulltext PDF - Limited 

  • 10

    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

  • 11

    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 

  • 12

    High Harmonic ECH Experiment for Extension of Heating Parameter Regime in LHD

    SHIMOZUMA Takashi , TAKAHASHI Hiromi , KUBO Shin , YOSHIMURA Yasuo , IGAMI Hiroe , NISHIURA Masaki , OGASAWARA Shinya , MAKINO Ryohei , IDEI Hiroshi , MARUSHCHENKO Nikolai B , TURKIN Yuri , MUTOH Takashi

    … In this study, the heating characteristics of the second-harmonic ordinary (O2) and third-harmonic extraordinary (X3) modes and the possible extension of heating regime are experimentally confirmed. … The O2 mode heating showed a 40% absorption rate even above the X2 mode cut-off density. …

    Plasma and Fusion Research 8(0), 2402073-2402073, 2013

    J-STAGE CrossRef

  • 13

    FLOOD CHARACTERISTICS IN ISHIKARI RIVER  [in Japanese]

    SAEKI Yusuke , SUZUKI Eiichi , YAMAGUCHI Satomi

    … After flood preventions such as channel cut-off works, levee construction and dam construction etc., each region protected by the levee has become to have flood damage independently in Ishikari River basin. … The different characteristics of flood damage can be seen in each region corresponding to characteristics of inundations population and land use etc. … Flood characteristics of Ishikari River basin are composed of those of each region. …

    Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 69(4), I_1615-I_1620, 2013

    J-STAGE CrossRef

  • 14

    Evaluation of the Usefulness of Score Systems for the Postoperative Risk Assessment inPatients with Colorectal Perforation  [in Japanese]

    Hoshino Go , Ishii Yoshiyuki , Hasegawa Hirotoshi , Endo Takashi , Okabayashi Koji , Ochiai Hiroki , Shigeta Kohei , Seo Yuki , Kitagawa Yuko

    … つぎに,Receiver Operating Characteristic (ROC) curveよりそれぞれの重症度分類のcut off値を求め,感度,特異度,正診率を算出したところ,感度はAPACHEIIが100%で最も高く,特異度および正診率はSOFAがそれぞれ90%,89%と最も高かった。 …

    Nihon Fukubu Kyukyu Igakkai Zasshi (Journal of Abdominal Emergency Medicine) 33(7), 1103-1108, 2013

    J-STAGE CrossRef

  • 15

    Quantitative Analysis of Positive Temperature Coefficient Characteristics of Conductive Composites  [in Japanese]

    NAKANO Hajime , SHIMIZU Katsuya , KOSHIMORI Yuto , NOMURA Yoji , TAKAHASHI Seiji , KONO Akihiko , OUGIZAWA Toshiaki , HORIBE Hideo

    ポリマーに導電粒子を充填した複合材料は,温度上昇に伴い抵抗が増加するPTC特性を示す.筆者らは,温度上昇によるポリマーの結晶融解および体積膨張により見かけのフィラー充填率が低下し,導電パスが切断されることでPTC特性が発現すると予想している.以前報告した論文では,温度上昇に伴う体積膨張のみを考慮した見かけのフィラー充填率の低下に着目してPTC特性を定量的に解析した.これを踏まえ,本報ではPVDF/ …

    KOBUNSHI RONBUNSHU 70(9), 476-482, 2013

    J-STAGE CrossRef

  • 16

    The Asthma Control Test, Japanese Version (ACT-J) as a Predictor of Global Initiative for Asthma (GINA) Guideline-Defined Asthma Control: Analysis of a Questionnaire-Based Survey

    Hasegawa Takashi , Koya Toshiyuki , Sakagami Takuro , Kagamu Hiroshi , Arakawa Masaaki , Gejyo Fumitake , Narita Ichiei , Suzuki Eiichi

    … Results: The optimal cut-off point of the ACT-J score for predicting GINA-defined asthma control was 23, with ACT-J scores of ≥23 and ≤22 predicting controlled and uncontrolled asthma with area under the receiver operating characteristics curve values of 0.76 [95% confidence interval (CI): 0.72-0.81] and 0.93 [95% CI: 0.90-0.97], respectively. …

    Allergology International 62(3), 323-330, 2013

    J-STAGE CrossRef

  • 17

    Relationships between Neuropsychological Tests and On-road Driving Assessment for Stroke Patients  [in Japanese]

    Yamada Kyohei , Sasaki Tsutomu , Kudo Akira , Sengoku Yasuhito

       自動車運転評価における神経心理学的検査と実車評価結果の関連性を検討することを目的に, 実車評価を実施した脳血管障害者 93 名を後方視的に調査した。方法および手続きは, 実車評価に同乗した自動車学校の指導員の報告書 (実車評価結果) に基づき, 対象者を運転可能群と運転不可群に分類した。神経心理学的検査は Mini-Mental State Examination (MMSE), Kohs …

    Higher Brain Function Research 33(2), 270-275, 2013

    J-STAGE CrossRef

  • 18

    Serum Decoy Receptor 3 Is a Useful Predictor for the Active Status of Chronic Hepatitis B in Hepatitis B e Antigen-Negative Patients

    Hou Yanqiang , Xu Ping , Lou Xiaoli , Liang Dongyu , Zhang Mei , Zhang Zhenhuan , Zhang Lurong

    … The area under the Receiver Operating Characteristics curve of DcR3 for detecting the active status of HBeAg (−) CHB patients was 0.914 (95% confidence interval, 0.851-0.977). … The optimal cut-off value for DcR3 to predict active HBeAg (−) CHB was 1.22 ng/ml, which had a sensitivity of 87.5% and a specificity of 84.4%. …

    The Tohoku Journal of Experimental Medicine 230(4), 227-232, 2013

    J-STAGE CrossRef

  • 19

    Optimum Cut-off Point of the Japanese Short Version of the Effort-Reward Imbalance Questionnaire

    Kurioka Sumiko , Inoue Akiomi , Tsutsumi Akizumi

    … We aimed to seek the optimum cut-off point. … We evaluated kappa statistics and conducted receiver operating characteristics curve analyses. … Cut-off values of the short version effort-reward ratios at 0.1 intervals in the range of 1.0-1.9 were tested using the criterion of an effort-reward ratio >1.0 for the original version. …

    Journal of Occupational Health 55(5), 340-348, 2013

    J-STAGE CrossRef

  • 20

    A Study of ADL Outcome Factors of Elderly Stroke Patients Over 85  [in Japanese]

    SUGIURA Toru , SAKURAI Hiroaki , SUGIURA Yoshito , IWATA Kenji , KIMURA Keisuke , SAKAMOTO Kozue , MATSUMOTO Takafumi , KANADA Yoshikiyo

    〔目的〕回復期リハビリテーション病棟における超高齢脳卒中患者の自宅退院に必要なADL条件を検討すること.〔対象〕85歳以上の脳卒中患者で,転帰先が自宅もしくは施設または療養病床である71名とした.〔方法〕自宅群(41名)と施設群(30名)の2群に分類し,これらの間で患者の基本的特性,退院時FIM得点を比較した.また,有意差の認められたFIM各合計点では,ロジスティック回帰分析とROC曲線からカット …

    Rigakuryoho Kagaku 28(5), 623-626, 2013

    J-STAGE CrossRef

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