• Title/Summary/Keyword: Binary

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Development Methods and Design of a Wireless CCTV System based on the Binary-CDMA Technology (Binary CDMA 기반의 무선 CCTV 시스템의 개발방법 및 설계)

  • Choi, Jae-Won
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.15 no.2
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    • pp.322-330
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    • 2011
  • Binary CDMA is a new standard technology for wireless communication developed by our country that makes high speed communications and good quality of services. In this paper we researched the development methods and design of a wireless CCTV System based on the Binary-CDMA technology that makes it freely installed in any place without cables and laying works.

CMOS binary image sensor with high-sensitivity metal-oxide semiconductor field-effect transistor-type photodetector for high-speed imaging

  • Jang, Juneyoung;Heo, Wonbin;Kong, Jaesung;Kim, Young-Mo;Shin, Jang-Kyoo
    • Journal of Sensor Science and Technology
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    • v.30 no.5
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    • pp.295-299
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    • 2021
  • In this study, we present a complementary metal-oxide-semiconductor (CMOS) binary image sensor. It can shoot an object rotating at a high-speed by using a gate/body-tied (GBT) p-channel metal-oxide-semiconductor field-effect transistor (PMOSFET)-type photodetector. The GBT PMOSFET-type photodetector amplifies the photocurrent generated by light. Therefore, it is more sensitive than a standard N+/P-substrate photodetector. A binary operation is installed in a GBT PMOSFET-type photodetector with high-sensitivity characteristics, and the high-speed operation is verified by the output image. The binary operations circuit comprise a comparator and memory of 1- bit. Thus, the binary CMOS image sensor does not require an additional analog-to-digital converter. The binary CMOS image sensor is manufactured using a standard CMOS process, and its high- speed operation is verified experimentally.

A Study on the Implementation of Wireless AMR Network using Binary CDMA (Binary CDMA 기술을 이용한 무선 원격검침 네트워크 구현방안에 대한 연구)

  • Kwon, Tai-Gil;Cho, Jin-Woong
    • Proceedings of the KAIS Fall Conference
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    • 2010.11a
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    • pp.406-409
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    • 2010
  • 본 논문은 국내원천 기술인 Binary CDMA 기술을 소개하고 AMR(Automatic Meter Reading) 시스템에 Binary CDMA 무선 기술을 어떻게 적용할지를 연구하고자 한다. 주요 연구내용은 Binary CDMA 원격검침 시스템, 무선 원격검침을 구현하기 위한 피코넷 네트워크 구성, 데이터 송수신을 위한 전송 스케줄링을 다루고자 한다. 그리고 원격검침의 데이터는 공공의 성격을 뛰는 아주 중요한 데이터이기 때문에 무선 패킷의 암호화 적용방안에 대해서도 연구하고 하고자 한다.

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A Search for Exoplanets in Short-Period Binary Star Systems

  • Kaitchuck, Ronald;Turner, Garrison;Childers, Joseph
    • Journal of Astronomy and Space Sciences
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    • v.29 no.1
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    • pp.41-45
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    • 2012
  • This paper reports the progress of a search for exoplanets with S-type orbits in short-period binary star systems. The selected targets have stellar orbital periods of just a few days. These systems are eclipsing binaries so that exoplanet transits, if planets exist, will be highly likely. We report the results for seven binary star systems.

Embedding Complete binary trees in Binomial trees (완전이진트리의 이항트리에 대한 임베딩)

  • 윤수민;최정임형석
    • Proceedings of the IEEK Conference
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    • 1998.06a
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    • pp.289-292
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    • 1998
  • Trees are the underlying structure for divide-and-conquer algorithms and the graphs that provide the solution spaces for NP-complete problems. Complete binary trees are the basic structure among trees. Therefore, if complete binary trees can be embedded in binomial trees, the algorithms which are provided by complete binary trees can be performed efficiently on the interconnection networks which have binomial trees as their subgraphs or in which binomial trees can be embedded easily. In this paper, we present dilation 2 embedding of complete binary trees in binomial trees.

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Fast Generation of Binary Random Sequences by Use of Random Sampling Method

  • Harada, Hiroshi;Kashiwagi, Hiroshi
    • 제어로봇시스템학회:학술대회논문집
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    • 1992.10b
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    • pp.240-244
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    • 1992
  • A new method for generation of binary random sequences, called random sampling method, has been proposed by the authors. However, the random sampling method has the defect that binary random sequence can not be rapidly generated. In this paper, two methods based on the random sampling method are proposed for fast generation of binary random sequences. The optimum conditions for obtaining ideal binary random sequences are derived.

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Encryption and decryption of binary data with 2-step phase-shifting digital interferometry (2-step 위상 천이 디지털 간섭계를 이용한 이진 데이터 암호화 및 복호화)

  • Byeon, Hyeon-Jung;Gil, Sang-Geun;Ha, Seung-Ho
    • Proceedings of the Optical Society of Korea Conference
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    • 2006.02a
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    • pp.335-336
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    • 2006
  • We propose a method of encryption and decryption of binary data using 2-step phase-shifting digital interferometry. This technique reduces the number of interferograms in the phase-shifting interferometry. The binary data has been expressed with random code and random phase. We remove the dc-term of the phase-shifting digital interferogram to restore the original binary data. Simulation results shows that the proposed technique can be used for binary data encryption and decryption.

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A Theory on the Construction of Binary Sequences with Ideal Atutocorrelation

  • No, Jong-Seon;Yang, Kyeong-Cheol;Chung, Ha-Bong;Song, Hong-Yeop
    • Journal of Electrical Engineering and information Science
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    • v.2 no.6
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    • pp.223-228
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    • 1997
  • In this paper, we present a closed-form expression of binary sequences of longer period with ideal autocorrelation property in a trace representation, if a given binary sequence with ideal autocorrelation property is described using the trace function. We also enumerate the number of cyclically distinct binary sequences of a longer period with ideal autocorrelation property, which are extended from a given binary sequence with ideal autocorrelation property.

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FROBENIUS ENDOMORPHISMS OF BINARY HESSIAN CURVES

  • Gyoyong Sohn
    • East Asian mathematical journal
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    • v.39 no.5
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    • pp.529-536
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    • 2023
  • This paper introduces the Frobenius endomophisms on the binary Hessian curves. It provides an efficient and computable homomorphism for computing point multiplication on binary Hessian curves. As an application, it is possible to construct the GLV method combined with the Frobenius endomorphism to accelerate scalar multiplication over the curve.

Construction and Analysis of Binary Vectors for Co-Overexpression, Tissue- or Development-Specific Expression and Stress-Inducible Expression in Plant (식물에서 표적 유전자의 동시 과발현, 조직/발달 특이적 발현 및 스트레스 유도성 발현을 위한 binary 벡터의 제작과 분석)

  • Lee, Young-Mi;Park, Hee-Yeon;Woo, Dong-Hyuk;Seok, Hye-Yeon;Lee, Sun-Young;Moon, Yong-Hwan
    • Journal of Life Science
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    • v.20 no.9
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    • pp.1314-1323
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    • 2010
  • In this study, we constructed various kinds of binary vectors with the pPZP backbone for co-overexpression, tissue- or development-specific expression and stress-inducible expression, and validated them for ectopic expression of target genes. Using a modified CaMV 35S promoter, a binary vector was generated for co-overexpression of two different genes and was confirmed to be efficient for overexpressing two different target genes at the same time and place. Binary vectors containing At2S3, KNAT1 or LFY promoters were constructed for tissue-specific or development-specific gene expression, and the binary vectors were suited for embryo/young seedling stage-, shoot apical meristem- or leaf primordia-specific expressions. Furthermore, the binary vectors containing RD29A or AtNCED3 promoters were validated as suitable vectors for gene expression induced by abiotic stresses such as high salt, ABA, MV and low temperature. Taken together, the binary vectors constructed in this study would be very useful for analyzing the biological functions of target genes and molecular mechanisms through ectopic expression.