• 한국지구과학회지
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• 제34권1호
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• pp.81-92
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• 2013

본 연구의 목적은 소집단 활동에서 과학영재들의 의사소통 구조를 찾아보고, 이들의 의사소통 유형과 성취 수준의 관계를 알아보기 위한 것이다. 이를 위하여 과학영재들을 대상으로 5명을 한 단위로 하는 8개 소집단을 구성하고, 이들에게 지구의 밀도 구하기라는 주제로 토론식 수업을 적용하였다. Pajek과 UCINET 6.0을 활용하여 과학영재들의 대화로부터 의사소통 구조와 성취 수준을 분석하였다. 그 결과 상호작용 분산 정도에 따라 과학영재들의 의사소통 유형을 독점형과 공유형으로 분류할 수 있었다. 그리고 상호작용 밀도와 집중도에 따라 과학영재들의 의사소통 유형을 $D_H{\cdot}N_H$형, $D_H{\cdot}N_L$형, $D_L{\cdot}N_H$형, $D_L{\cdot}N_L$형으로 분류할 수 있었다. 과학영재들의 소집단 활동에서 문제 해결 성취 수준은 구성원 간 상호작용의 분산이 아니라 상호작용의 밀도와 연결망 집중도의 차에 의해 영향을 받는다는 것을 알 수 있었다. 그러므로 교사들은 소집단 활동을 활용하여 학생들을 지도할 때 문제 해결에 관련된 의사소통이 이루어지도록 지도할 필요가 있다.

• 한국통신학회논문지
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• 제39C권8호
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• pp.681-687
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• 2014

최근 몇 년 간 스마트 폰과 같은 개인 스마트 디바이스들의 확산으로 인해 인터넷 트래픽이 급증하고 있다. 이는 지상에 있는 기지국뿐만 아니라 건물, 버스, 철도, 선박 등에 설치된 AP(Access Point)나 기지국에도 심각한 과부하를 야기한다. 따라서 이를 해소하기 위해 크루즈선과 같은 선박 내부에서 효과적인 콘텐츠 분배를 위한 통신시나리오를 제안한다. 또한 제안한 시나리오 안에서 기존의 단말 간 직접통신(D2D: Device-to-Device)을 확장하여 다중 단말 간(MD2MD: Multi-Device-to-Multi-Device) 직접 통신 네트워크를 구성하고 이에 적합한 전송기법을 제시한다. 제안한 선박 내 다중 단말 간 직접통신 방식은 STBC(Space-Time Block Coding) 전송기법, SM(Spatial Multiplexing) 전송기법, 그리고 하이브리드 STBC-SM 기법을 비교분석하여 전송률(throughput) 관점에서 향상된 성능을 보인 전송기법을 채택했다. 제안한 방식은 선박 내 통신 특히 사용자의 수가 많아 트래픽이 심하여 선박 내 설치된 AP의 과부하가 심할 경우 이를 분배하고 사용자들에게 효율적으로 보다 질 높은 콘텐츠를 제공할 수 있는 기술로 기대된다.

• 한국병원경영학회지
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• 제11권2호
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• pp.16-31
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• 2006

Through investigating communication contents, extent of conflict, and its causes between medical residents and nurses/technicians, this study will provide the effective communication skills to ease interpersonal conflicts and maintain healthy partner relationships. This is a descriptive study to find out the communication contents, extent of conflicts and its causes between medical residents and nurses/technicians. Data were collected from April $1^{st}$, 2004 to April $8^{th}$, 2004 from 118 medical residents, 288 nurses, 85 radiology technicians and 107 laboratory technicians in 4 university hospitals in Seoul capital region. Data analysis was done with SPSS version 11.0 using descriptive statistics, ANOVA and chi-test. Interpersonal conflict towards medical residents were rated higher by nurses than technicians (Nurses > Technologists = Medical residents). Causes of conflict showed regional differences. In communication contents, all regions showed "Thank you" and "Well done" as most pleasant comments. Medical residents proved other medical residents' negative comments as most unpleasant and nurses and technicians proved residents' commanding phrases, disrespectful speech, and urging comments to be most unpleasant. Communication between the center members of the medical organization is very important in treating patients and understanding each other. For smooth conflict resolutions and maintaining healthy partner relationships, continued education and support for appropriate communication and interpersonal relationship skills is needed.

• 동서간호학연구지
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• 제17권2호
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• pp.164-170
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• 2011

Purpose: The aim of this study was to examine the factors that affect nurses' communication. Methods: This study employed a descriptive survey design. The sample of this study consisted of 174 nurses at hospital in Korea from June 1st to 18th, 2009. The data were analyzed SPSS/WIN 17.0 program and factors affecting nurses' communication were analyzed by multiple regression. Results: 1) Level of nurses' communication was average of 3.44, ego strength 0.36, self-image 3.53, ego distribution 2.92, interpersonal relations 3.52, and family function 3.39. 2) Nurses' communication had significant positive correlation with interpersonal relations, self-image, family function, and ego strength. On the other hand, it had not significant correlation with ego distribution. 3) Interpersonal relations (t=9.68, p<.001), ego strength (t=3.11, p=.002), and family function (t=2.26, p=.025) significantly predicted the level of nurses' communication (Adjusted $R^2$=.418, p<.001). Conclusion: The study finding suggested to develop hospitals' management program for increasing nurses' communication.

• 한국전자파학회논문지
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• 제22권9호
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• pp.827-832
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• 2011

전쟁에서 통신은 매우 중요하다. 과거에는 전령을 이용하였으나 현대전에서는 통신기기의 발달로 주로 무선 통신망을 이용하고 있다. 현대전에서 적 전력을 약화시키기 위해 재밍 신호를 이용하여 적 통신망의 교란을 시도한다. 통신망을 교란하는 통신 재밍 신호로 흔하게 사용되는 것 중 톤 재밍 신호가 있다. 톤 재밍은 한 개 또는 여러 개의 톤을 주파수 스펙트럼 상에 출력하는 방법으로 적 무선 통신기의 수신단을 무력화 하는 기법이다. 본 논문에서는 Xilinx사에서 제공하는 FPGA(Field Programmable Gate Arry)와 DDS(Direct Digital Synthesizer) core를 사용하여 최대 10개의 톤을 생성하였으며, 생성된 톤의 간격과 개수를 제어하는 방안을 제시하고, 실제로 실험한 결과를 기술하였다.

• 한국지역사회생활과학회지
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• 제26권4호
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• pp.617-632
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• 2015

This study examines the effects of paternal parenting behaviors, child-rearing involvement, and father-child communication perceived by children on their leadership. A total of 197 children selected from three elementary schools and their fathers participated in this study. Data were collected using a parenting behavior index, a child-rearing involvement inventory, a father-child communication inventory, and a children's leadership index and statistically analyzed using the t-test, a one-way ANOVA ($Scheff{\acute{e}}$ test), and a multiple regression analysis. The results show significant differences in children's leadership according to the father's education level, family income, the father's warmth/acceptance, the father's family activity involvement, and open/problematic communication between the father and the child. The child's age, the father's education level, family income, the father's warmth/acceptance, open communication, and problematic communication were significant predictors of the child's leadership. These results suggest that a child's leadership may be strengthened if the father is warmer and more accepting and has open communication with the child.

• 대한안전경영과학회지
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• 제12권2호
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• pp.9-16
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• 2010

A major purpose of management or occupational safety is a significant decrease in safety accidents. With this view, the establishment of occupational safety culture and the building of occupational communication network stand out as being more important than the past. This study has analysed the positive effects of occupational safety communication on safety consciousness and action of the employees in workplace. And it is confirmed that the occupational safety communication in workplace is the essential mechanism, through which the workers internalize safety consciousness and act safely. The safety consciousness and action of the employees are formed in safety culture, which is not only legal regulations, but a daily communication network in workplace. In these sense, the building of the occupational safety communication network is decisive for the establishment of safety culture. For these reasons, this study makes the proposition that a firm promotion of occupational communication network is necessary, which connects the safety culture and a effective safety management in workplace.

• 한국치위생학회지
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• 제20권3호
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• pp.359-367
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• 2020

Objectives: The purpose of this study was to recognize the importance of dental hygienist's communication competence and to establish the basis for developing a program to improve communication competence. Methods: A survey was conducted on members who underwent participatory training in some trials in 2019, and a total of 348 people were analyzed. Results: Total communication competence was 3.63 points. The highest area was 3.88 points for understanding others' standards, and the lowest area was 3.27 points for escaping stereotypes. Most areas of communication showed statistically significant positive correlations, but in some areas, there was an inverse correlation. As a dental hygienist, it is necessary to provide systematic education for improving communication competence from college students. Conclusions: In addition, it is necessary to develop and implement a training program for improving communication competence of dental hygienists.

• 한국군사과학기술학회지
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• 제13권4호
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• pp.577-585
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• 2010

The Military Tactical Communication technology for effective network-centric warfare is developing. Targeting broadband wireless transmission, core technology for connection, and Transmission technology that secure survivability under High-speed Movement environment. On the one hand, Tactical data communication system that reflects military characteristic is developing on the base of Legacy communication equipment which is used in the field. Because almost every military units in the field have used voice to communicate which lower efficiency of operation, they have made effort to Substitute voice communication which delays military Operation Tempo to digital communication. The Communications environment of troops in Forward edge of battle field area is very poor. Especially in terms of limited frequency allocation and bandwidth. Therefore, improving the efficiency of frequency is essential for Military Tactical Communication. This paper is about The Data Compression Method for increase of Efficiency in Tactical Data Communication over Legacy Radios which are UHF, VHF, HF Radio. I proposed and proved the most efficient Data Compression Method that reflects military characteristic, after analyzing the experimentation, which simulate CAS(Close Air Support mission) data transmission between Pilot and TACP.

• 한국전자통신학회논문지
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• 제14권1호
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• pp.49-54
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• 2019

음향채널을 주로 사용하는 수중통신환경은 지상통신환경과 달라 통신 서비스를 구축함에 있어 수중환경에 적합하게 전송성능을 분석하는 것이 필요하며, 통신망의 일반적 성능 뿐 아니라 통신 서비스별 전송 대상 트래픽의 전송성능을 분석하여 통신서비스에 적절한 트래픽처리 방안의 강구가 요구된다. 본 연구에서는 수중 MANET(Mobile Ad-hoc Network)에서 비디오 트래픽의 전송 성능을 분석하고 이 결과를 토대로 비디오 트래픽 전송 방안을 제시한다. 본 연구는 NS(Network Simulator)-3에 기반한 컴퓨터 시뮬레이션을 이용하여 수행하며, 전송 성능으로는 처리율, 전송지연, 패킷손실율을 사용한다.