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검색결과 433건 처리시간 0.022초

A New Species of the Monotypic Genus Anaxyrina Meyrick (Lepidoptera, Lecithoceridae, Torodorinae)

  • Park, Kyu-Tek
    • Animal Systematics, Evolution and Diversity
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    • 제24권2호
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    • pp.165-167
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    • 2008

  • A new species of Anaxyrina Meyrick, A. albicostalis sp. novo (Lepidoptera, Lecithoceridae, Torodorinae) is described from Thailand and the Philippines. The genus has been known only by the type species, A. cyanopa Meyrick from N. India. Image of adult, forewing venation and illustrations of the male genitalia with aedeagus for the new species are provided.

  • https://doi.org/10.5635/KJSZ.2008.24.2.165 인용 PDF KSCI

An Efficient Filter Design via Optimized Rational-Function Fitting, without Similarity Transformation

  • Kahng Sung-Tek
    • Journal of electromagnetic engineering and science
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    • 제6권3호
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    • pp.155-159
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    • 2006

  • An efficient method is presented to design filters without the similarity transform of their coupling coefficient matrix as circuit parameters, which is very tedious due to pivoting and deciding rotation angles needed during the iterations. The transfer function of a filter is directly used for the design and its desired form is derived by the optimized rational-function fitting technique. A 3rd order coaxial lowpass filter is taken as an example to validate the proposed method.

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수치해석에 의한 SRM의 적정 오.오프각 설정기법에 관한 연구 (Switching Angle Determination IN SRM Drive by Numerical Analysis)

  • 추영배;박성준;이화석;김정택
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1998년도 하계학술대회 논문집 F
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    • pp.2070-2072
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    • 1998

  • 신경회로망을 사용하여 몇 가지 경우에 대해 측정된 토오크 프로파일로부터 모든 전류값 및 회전자위치각에 대한 토오크 및 인덕턴스를 구하였다. 이를 바탕으로 수치해석을 통해 토오크중첩을 고려한 총합 발생토오크의 맥동성분을 최소화시키는 기준토오크 파형을 설정하여 제어하였다. 또한 제안된 방식을 실시간으로 처리하고, 제어기의 신뢰성을 높이기 위해 DSP를 사용하였다.

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New Records of Blastobasidae (Lepidoptera) from Korea, with Description of a New Species

  • Park, Kyu-Tek;Sim, Su-Young
    • Animal cells and systems
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    • 제4권3호
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    • pp.245-250
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    • 2000

  • A new species of Blasobasinae, Blastobasis spiniella Park, sp. nov., is described, and four species: Neoblastobasis spiniharpella Kuznetzov et Sinev, Hypatopa silvestrella Kuznetzov, hypatopa tianshanica Sinev, and Holcoceroides scythrella Sinev ave reported for the first time in Korea. Description, diagnosis, illustrations of the male genitalia, and collection data of these species are provided.

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