• Title, Summary, Keyword: Digital Magazine

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피플

  • Gwon, Gyeong-Hui
    • Digital Contents
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    • no.11
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    • pp.24-26
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    • 2004
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Occlusion and articulation in digital dentistry: A review (디지털 치의학 시대의 교합)

  • Lee, Jae-Hyun
    • The journal of the Korean dental association
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    • v.58 no.8
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    • pp.505-512
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    • 2020
  • With the fourth industrial revolution, digitization is accelerating in all healthcare areas. In the field of dentistry, active discussions on digital dental technologies are ongoing, with increasing interest from clinicians daily. Thus far, accuracy and efficiency have primarily been emphasized in digital dentistry, and interest in occlusion has been relatively low. This is because digital dentistry has been predominantly used to restore small numbers of teeth rather than extensive prosthetic reconstruction. However, in the future, most dental treatments will undergo a digital transformation that will require the application of digital technology to more extensive prosthetic rehabilitation, for which discussion of occlusion is essential. In extensive prosthetic reconstruction, occlusion and articulation involve determining the position of the dental arch in relation to the reference plane of the skull or the long axis of the face and the position of the transverse horizontal axis. It also includes determining an occlusal surface with a shape that allows the mandible to move in an eccentric path and masticate most efficiently without any occlusal interference. To better understand how digitization will impact dentistry, this review article summarizes and discusses occlusion and articulation using digital dental technologies. This discussion is divided into several aspects, including facial scan, virtual articulation, augmented reality, and virtual reality.

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국내가입자망에서의 광 전송 기술응용

  • 이종희
    • Information and Communications Magazine
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    • v.3 no.1
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    • pp.52-63
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    • 1986
  • This paper discusses the network evolution strategies, worldwide trends in fiber optics systems, fiber hub in KTA access network, positioning the access network for new digital services - DLC(Digital Loop Carrier), CSA(Carrier Serving Area), and fiber optics systems overlay in the existing access network and its evolution toward near term ISDN.

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GPS Application for the Digital Map Construction of Irrigation Canal Networks

  • Choi, Jin-Yong;Yoon, Kwang-Sik;Kim, Jong-Ok
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.42
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    • pp.9-16
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    • 2000
  • GPS(Global Positioning System) surveying is an effective method using satellite measurement system and can be applied to construction of digital map of irrigation canal networks. In this study, GPS surveying method for irrigation structures was developed. A selected main canal of an irrigation district were surveyed by GPS. The obtained surveying results were corrected by post-processed DGPS (Differential Global Positioning System) and imported to GIS for the digital map construction.

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Digital Multichannel Transmitter System Model for ADSL Services (ADSL 서비스를 위한 DMT시스템모델의 고찰)

  • Yang, Chung-Ryeol;Kim, Jin-Tae;Gang, Seok-Yeol
    • Electronics and Telecommunications Trends
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    • v.11 no.4
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    • pp.13-25
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    • 1996
  • 본 고에서는 ADSL(Asymmetric Digital Subscriber Lines) 서비스를 DMT(Digital Multichannel Transmitter) 시스템 모델에 관하여 고찰한다. CSA(Carrier Service Area) 구역에서 6Mb/s급의 다중반송파변조방식(multi-carrier modulation)을 전송방식으로 하는 ADSL-3급 서비스가 가능한 가입자 루프 및 전송신호 특성을 고려한 설계 요구 조건을 살펴보고, 이를 만족하는 DMT ADSL 시스템 모델, 등화기 구조 및 DMT ADSL시스템의 성능예측방법을 고찰함으로써 보다 나은 성능의 ADSL시스템 구현을 위한 설계방향을 제시하고자 한다.

The Trends of Digital Beamforming Antenna Technology (Digital Beamforming(DBF) 안테나 기술 동향)

  • Bae, C.H.
    • Electronics and Telecommunications Trends
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    • v.21 no.2
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    • pp.200-209
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    • 2006
  • 가입자의 수가 놀라운 비율로 증가하고 고품질. 광대역 데이터 통신에 대한 요구가 증가하면서 이동 통신에 사용되는 주파수원이 부족하게 될 것으로 예상된다. 주파수의 재사용률을 향상시키기 위하여 공간적인 방향성을 가지는 안테나를 이용하는 것과 송신하는 전력을 줄이는 것은 주파수원의 효율적인 사용을 할 수 있게 할 것이다. 가까운 미래에는 도달하는 신호를 빨리 추적하는 높은 이득을 가지는 안테나가 많이 요구될것이고 빠르게 성장할 것으로 기대된다. 그런 다양한 기능을 가지는 안테나를 실현하기 위하여 디지털 빔 형성 안테나가 미래의 지능 안테나로 제안되었다[1], [2]. 따라서 본 논문에서는 디지털 빔 형성(digital beam forming, 이하 DBF라 한다.) 안테나의 빔형성 방법, 원리, 특징에 대하여 살펴볼 것이다.

Recent Technology of 3D Content for Digital Holography (디지털 홀로그래피 콘텐츠 기술)

  • Yoon, M.S.
    • Electronics and Telecommunications Trends
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    • v.32 no.5
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    • pp.49-64
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    • 2017
  • Digital holography is a computational operation and photo-electronic technology that enables calculating, encoding, and reconstructing a 3D scene based on the interference of a coherent light-wave field. The spatial light modulator in a holographic 3D display decodes a computer-generated hologram to optically regenerate a 3D scene in various depths, thus facilitating to match convergence and accommodation of the human eyes. This paper introduces recent technologies related with the content for digital holography called an ultimate 3D display.

Digital Broadcast : Preparations and Effect Prospect (긴급제언 - 디지털 TV방송의 준비와 파급전망)

  • Park, Byeong-Ryeol
    • Journal of the Korean Professional Engineers Association
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    • v.43 no.2
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    • pp.39-44
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    • 2010
  • Digital broadcast in Korea being under way for almost 10 years and due by the end of 2012 is greatly changing the style of life. Having such a potential impact on life means it hardly permits any mistake in cooperated works of viewers, broadcasters, manufacturers and government for smooth transition. Now the early phase of digital transition is capturing the viewers with unseen features like HDTV, interactive data broadcasting, and multimedia service. But what will really thrill us is still to come with its capability far beyond high definition and interactivity.

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