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洪定杓(J. P. Hong),周秀元(S. W. Joo),韓聲鎭(S. C. Hahn),具大鉉(D. H. Koo) 대한전기학회 2006 전기학회논문지 B Vol.55 No.4
This paper presents characteristics of SynRM(Synchronous Reluctance Motor) that is compared with a high speed induction motor. SynRM is much suitable for high speed electric machines because of structural robustness. There are many kinds of SynRM according to the shape of rotors. Particularly, axially laminated anisotropic (ALA) rotor is suitable for high speed instruments. Characteristics of SynRM with ALA rotor is obtained from a governing voltage and torque equation mainly composed of d-axis and q-axis inductance that will be identified with finite element method.
홍정표 ( Jeong Pyo Hong ) 한국불어불문학회 1998 불어불문학연구 Vol.37 No.1
Cette e´tude a pour but d`examiner les modalite´s, une des the´ories essentielles de la se´miotique de A. J. Greimas, et de les appliquer a` l`analyse concre`te d`un texte. Dans la se´miotique des passions, on met en place le niveau des pre´conditions sous le niveau se´mio-narratif en vue de rendre compte des manifestations ondulatoires insolites reconnues dans le discours. A ce niveau les quatre modulations, ouvrante, clo^turante, cursive et ponctualisante deviennent respectivement les quatre modalite´s, vouloir, savoir, pouvoir et devoir au niveau se´mio-narratif. Le niveau se´mio-narratif est la partie la plus efficace et chercheuse du parcours ge´ne´ratif. La mise en place des sujets modaux doit s`accompagner d`une the´orie des simulacres modaux. Les sujets modaux sont de´finis par les modalisations des sujets de faire et des sujets d`e´tat, et ils sont les instruments du de´doublement passionnel. Un dispositif modal est aussi un instrument pour l`analyse se´miotique. Au niveau discursif on peut distinguer l`aspectualisation et la disposition. Les trois instances, modulations, modalisations, et aspectualisations, distribue´es respectivement sur la tensivite´ phorique, le niveau se´mio-narratif et la manifestation discursive, constituent le triangle the´orique dont nous nous efforc¿ons de montrer la valeur heuristique. On obtiendrait donc la repre´sentation suivante : modulations discre´tisation convocation aspectualisation modalisations Pour conclure on peut analyser scientifiquement la passion au moyen de la the´orie des modalite´s. Ainsi la description se´miotique devient beaucoup plus fine et pre´cise. On devra ve´rifier la pertinence de cette the´orie en l`appliquant a` des textes divers.
동해안 지역 우렁쉥이 , Halocynthia roretzi 의 양식 수심 , 수하연 간격 및 종묘생산지에 따른 성장 특성
홍정표(Jeung Pyo Hong),이주(Chu Lee),류호영(Ho Young Ryu),허성범(Sung Bum Hur) 한국수산과학회 2001 한국수산과학회지 Vol.34 No.4
1998년 1월 7일부터 1998년 12월 6일까지 총 333일간 경북 포항시 구룡포읍 장길리 연안에서 채묘 후 1년이 경과한 체고 10.1∼15.8㎜ 사이의 새끼 우렁쉥이 Halocynthia roretzi (von Drasche)를 대상으로 수층별, 수하연 시설 간격별 및 종묘생산지별의 성장에 관하여 시험한 결과를 요약하면 다음과 같다. 1. 수온은 12.07-24.14℃의 분포 범위로 7월의 2m층이 가장 높았고, 염분은 32.53-33.73‰의 분포 범위로 7, 8월이 낮고, 10, 11월이 높았으며. 용존산소는 6.60∼9.77 mg/L의 분포 범위로 4-5월이 높고, 7월이 낮았으며, 그 외 환경도 우렁쉥이 성장에 영향을 미치는 사항은 발견할 수 없었다. 2. 종묘생산지별 월별 체고 성장은 양식 시작시 체고가 남해안산이 15.81㎜, 동해안산 10.12㎜, 일본산 15.34㎜인 것이 11월에는 각각 74.64㎜ (±7.19㎜), 72.80㎜ (±11.67㎜), 73.90㎜ (±5.71㎜)로 성장하여 종묘에 따른 체고 성장에 대한 통계적인 차이는 없었으며, 이들 각각에 대한 성장식은 다음과 같이 회귀직선식으로 표시할 수 있었다. 남해안산 TH=5.8996D+13.43 (R²=0.9133) 동해안산 TH=6.1560D+5.3362 (R²=0.9852) 일본산 TH=6.0739D+11.743 (R²=0.9053) 또한 체고 (TH)에 대한 체중 (TOW)의 성장식은 다음과 같이 지수곡선식으로 표시 되었다. 남해안산 TOW=0.00008TH^(2.6042) (R²=0.9567) 동해안산 TOW=0.0005TH^(2.7284) (R²=0.9638) 일본산 TOW=0.001TH^(2.5677) (R²=0.9666) 3. 수하연 시설 간격별 체고 성장은 2.5m와 2.0m가 서로 유사한 성장을 보이면서 1.5m나 1.0m 시설구보다 높았고, 체고의 일간 성장율은 2.5m, 2.0m, 1.5m, 1.0m 순위였으나 통계적인 차이는 없었다. 체중의 일간 성장율은 2.5m 시설구가 다른 시설구에 비해 높았다. 4. 수층별 성장은 10∼12m 수층에서 성장이 가장 양호하였고, 다음이 14∼l6m수층과 6∼8m 수층으로 이들 두 수층간에는 유사한 성장을 보였고, 2∼4m 수층이 가장 낮은 성장을 보였다. 특히 10∼12m 수층에서 체고의 성장률은 성장기 II와 IV 구간에서 각각 244㎛/day 및 338㎛/day로 비교적 높았고, I구간에서는 108㎛/day로 가장 낮았다. We examined the growth variation with water depth, interval between suspended lines and locality of seedling production of sea squirt. Halocynthia roretzi, measuring approximately 10.1∼15.3㎜ in tunic height, was cultured at the farm near Guryongpo, Pohang city from 7 January to 6 December 1998 (333 days). Growth condition depending on culture depth was most favourable at the depth of 10∼12m. It was concluded that nutritional conditions were better at the depth since there was a greater mount of phytoplankton than at any other depth in the water column. Growth condition depending on distance between suspended lines was most favourable at the interval of 2m and 2.5m than at the interval of 1m and 1.5m. There was no significance difference in growth variation with locality of seedling. The seasonal variations in growth of tunic height, meat and total weight were correlated with temperature and chlorophyll a. In the depth of 10-12m, the rate of increase in tunic height was generally greatest in the growth period II (244㎛/day) and IV (338㎛/day), lower in the period I (l08㎛/day), and slightly increased during the period III (185㎛/day). The water column have showed a typical seasonal pattern with temperature ranged between 12.07∼24.14℃ and over 20℃ between July and September.
홍정표(Hong, Jungpyo),박상준(Park, Sangjun),정상배(Jeong, Sangbae),한민수(Hahn, Minsoo) 한국음성학회 2013 말소리와 음성과학 Vol.5 No.1
This paper proposes robust feature extraction for accurate voice activity detection (VAD). VAD is one of the principal modules for speech signal processing such as speech codec, speech enhancement, and speech recognition. Noisy environments contain nonstationary noises causing the accuracy of the VAD to drastically decline because the fluctuation of features in the noise intervals results in increased false alarm rates. In this paper, in order to improve the VAD performance, harmonic-weighted energy is proposed. This feature extraction method focuses on voiced speech intervals and weighted harmonic-to-noise ratios to determine the amount of the harmonicity to frame energy. For performance evaluation, the receiver operating characteristic curves and equal error rate are measured.